./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V --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 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:49:34,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:49:34,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:49:34,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:49:34,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:49:34,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:49:34,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:49:34,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:49:34,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:49:34,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:49:34,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:49:34,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:49:34,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:49:34,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:49:34,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:49:34,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:49:34,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:49:34,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:49:34,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:49:34,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:49:34,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:49:34,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:49:34,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:49:34,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:49:34,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:49:34,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:49:34,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:49:34,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:49:34,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:49:34,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:49:34,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:49:34,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:49:34,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:49:34,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:49:34,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:49:34,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:49:34,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:49:34,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:49:34,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:49:34,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:49:34,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:49:34,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 02:49:34,257 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:49:34,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:49:34,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:49:34,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:49:34,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:49:34,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:49:34,259 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:49:34,259 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:49:34,259 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:49:34,260 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:49:34,260 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:49:34,260 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:49:34,260 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:49:34,261 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:49:34,261 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:49:34,261 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:49:34,261 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:49:34,261 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:49:34,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:49:34,263 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:49:34,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:49:34,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:49:34,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:49:34,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:49:34,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:49:34,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:49:34,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:49:34,264 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 02:49:34,275 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:49:34,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:49:34,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:49:34,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:49:34,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:49:34,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:49:34,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:49:34,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:49:34,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:49:34,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:49:34,277 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:49:34,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:49:34,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:49:34,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:49:34,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:49:34,278 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_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f [2021-11-23 02:49:34,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:49:34,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:49:34,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:49:34,555 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:49:34,556 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:49:34,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2021-11-23 02:49:34,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/data/eec4d264b/628e10f1cae741949fd5a19dedc9d358/FLAG8d1380f0d [2021-11-23 02:49:35,327 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:49:35,327 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2021-11-23 02:49:35,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/data/eec4d264b/628e10f1cae741949fd5a19dedc9d358/FLAG8d1380f0d [2021-11-23 02:49:35,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/data/eec4d264b/628e10f1cae741949fd5a19dedc9d358 [2021-11-23 02:49:35,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:49:35,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:49:35,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:49:35,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:49:35,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:49:35,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:35" (1/1) ... [2021-11-23 02:49:35,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0bcb31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35, skipping insertion in model container [2021-11-23 02:49:35,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:35" (1/1) ... [2021-11-23 02:49:35,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:49:35,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:49:36,053 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_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2021-11-23 02:49:36,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:49:36,201 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:49:36,233 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_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2021-11-23 02:49:36,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:49:36,359 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:49:36,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:36 WrapperNode [2021-11-23 02:49:36,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:49:36,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:49:36,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:49:36,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:49:36,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:36" (1/1) ... [2021-11-23 02:49:36,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:36" (1/1) ... [2021-11-23 02:49:36,471 INFO L137 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 627 [2021-11-23 02:49:36,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:49:36,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:49:36,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:49:36,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:49:36,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:36" (1/1) ... [2021-11-23 02:49:36,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:36" (1/1) ... [2021-11-23 02:49:36,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:36" (1/1) ... [2021-11-23 02:49:36,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:36" (1/1) ... [2021-11-23 02:49:36,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:36" (1/1) ... [2021-11-23 02:49:36,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:36" (1/1) ... [2021-11-23 02:49:36,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:36" (1/1) ... [2021-11-23 02:49:36,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:49:36,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:49:36,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:49:36,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:49:36,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:36" (1/1) ... [2021-11-23 02:49:36,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:49:36,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:49:36,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:49:36,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:49:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:49:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:49:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:49:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:49:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:49:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:49:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:49:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:49:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:49:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:49:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:49:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:49:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:49:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:49:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:49:36,941 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:49:36,942 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:49:37,883 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:49:38,311 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:49:38,311 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-23 02:49:38,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:38 BoogieIcfgContainer [2021-11-23 02:49:38,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:49:38,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:49:38,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:49:38,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:49:38,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:49:35" (1/3) ... [2021-11-23 02:49:38,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569be260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:49:38, skipping insertion in model container [2021-11-23 02:49:38,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:36" (2/3) ... [2021-11-23 02:49:38,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569be260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:49:38, skipping insertion in model container [2021-11-23 02:49:38,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:38" (3/3) ... [2021-11-23 02:49:38,334 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-1.i [2021-11-23 02:49:38,341 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:49:38,341 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-23 02:49:38,399 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:49:38,411 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:49:38,411 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-23 02:49:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:49:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 02:49:38,459 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:38,460 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 02:49:38,460 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 02:49:38,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:38,470 INFO L85 PathProgramCache]: Analyzing trace with hash 538186, now seen corresponding path program 1 times [2021-11-23 02:49:38,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:49:38,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804617449] [2021-11-23 02:49:38,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:38,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:49:38,613 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:49:38,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1980477373] [2021-11-23 02:49:38,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:38,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:38,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:49:38,621 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:49:38,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:49:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:49:38,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:49:38,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:49:38,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:49:38,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:49:38,877 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:49:38,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804617449] [2021-11-23 02:49:38,878 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:49:38,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980477373] [2021-11-23 02:49:38,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980477373] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:49:38,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:49:38,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 02:49:38,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450189629] [2021-11-23 02:49:38,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:49:38,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:49:38,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:49:38,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:49:38,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:49:38,927 INFO L87 Difference]: Start difference. First operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:49:40,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:49:40,475 INFO L93 Difference]: Finished difference Result 230 states and 388 transitions. [2021-11-23 02:49:40,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:49:40,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-23 02:49:40,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:49:40,512 INFO L225 Difference]: With dead ends: 230 [2021-11-23 02:49:40,513 INFO L226 Difference]: Without dead ends: 141 [2021-11-23 02:49:40,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:49:40,521 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 54 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:49:40,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 201 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 02:49:40,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-23 02:49:40,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89. [2021-11-23 02:49:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 69 states have (on average 1.318840579710145) internal successors, (91), 83 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:49:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2021-11-23 02:49:40,574 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 3 [2021-11-23 02:49:40,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:49:40,575 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2021-11-23 02:49:40,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:49:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2021-11-23 02:49:40,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 02:49:40,577 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:40,577 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] [2021-11-23 02:49:40,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:49:40,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 02:49:40,782 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 02:49:40,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:40,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1093605591, now seen corresponding path program 1 times [2021-11-23 02:49:40,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:49:40,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291868253] [2021-11-23 02:49:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:40,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:49:40,804 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:49:40,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40599327] [2021-11-23 02:49:40,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:40,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:40,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:49:40,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:49:40,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:49:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:49:40,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:49:40,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:49:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:49:41,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:49:41,081 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:49:41,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291868253] [2021-11-23 02:49:41,081 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:49:41,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40599327] [2021-11-23 02:49:41,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40599327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:49:41,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:49:41,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:49:41,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561667455] [2021-11-23 02:49:41,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:49:41,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:49:41,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:49:41,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:49:41,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:49:41,102 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:49:43,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:49:43,009 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2021-11-23 02:49:43,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:49:43,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2021-11-23 02:49:43,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:49:43,020 INFO L225 Difference]: With dead ends: 141 [2021-11-23 02:49:43,020 INFO L226 Difference]: Without dead ends: 140 [2021-11-23 02:49:43,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:49:43,022 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 32 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:49:43,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 313 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 02:49:43,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-23 02:49:43,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2021-11-23 02:49:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 115 states have (on average 1.2347826086956522) internal successors, (142), 129 states have internal predecessors, (142), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 02:49:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2021-11-23 02:49:43,043 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 27 [2021-11-23 02:49:43,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:49:43,044 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2021-11-23 02:49:43,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:49:43,044 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2021-11-23 02:49:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 02:49:43,046 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:43,046 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] [2021-11-23 02:49:43,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:49:43,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:43,262 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 02:49:43,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:43,263 INFO L85 PathProgramCache]: Analyzing trace with hash -457964632, now seen corresponding path program 1 times [2021-11-23 02:49:43,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:49:43,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22885432] [2021-11-23 02:49:43,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:43,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:49:43,283 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:49:43,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [810593445] [2021-11-23 02:49:43,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:43,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:43,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:49:43,285 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:49:43,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:49:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:49:43,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:49:43,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:49:43,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:49:43,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:49:43,581 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:49:43,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22885432] [2021-11-23 02:49:43,582 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:49:43,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810593445] [2021-11-23 02:49:43,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810593445] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:49:43,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:49:43,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:49:43,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468753926] [2021-11-23 02:49:43,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:49:43,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:49:43,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:49:43,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:49:43,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:49:43,587 INFO L87 Difference]: Start difference. First operand 138 states and 174 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:49:44,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:49:44,285 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2021-11-23 02:49:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:49:44,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2021-11-23 02:49:44,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:49:44,297 INFO L225 Difference]: With dead ends: 138 [2021-11-23 02:49:44,297 INFO L226 Difference]: Without dead ends: 137 [2021-11-23 02:49:44,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:49:44,299 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 59 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:49:44,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-23 02:49:44,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-23 02:49:44,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-23 02:49:44,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 02:49:44,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-23 02:49:44,318 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 28 [2021-11-23 02:49:44,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:49:44,319 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-23 02:49:44,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:49:44,319 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-23 02:49:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 02:49:44,320 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:44,321 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:49:44,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:49:44,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:44,546 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 02:49:44,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:44,546 INFO L85 PathProgramCache]: Analyzing trace with hash -2017329836, now seen corresponding path program 1 times [2021-11-23 02:49:44,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:49:44,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672202532] [2021-11-23 02:49:44,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:44,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:49:44,564 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:49:44,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [857920247] [2021-11-23 02:49:44,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:44,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:44,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:49:44,566 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:49:44,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:49:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:49:44,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:49:44,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:49:44,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:49:44,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:49:44,863 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:49:44,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672202532] [2021-11-23 02:49:44,863 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:49:44,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857920247] [2021-11-23 02:49:44,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857920247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:49:44,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:49:44,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:49:44,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352269588] [2021-11-23 02:49:44,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:49:44,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:49:44,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:49:44,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:49:44,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:49:44,865 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:49:46,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:49:46,368 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2021-11-23 02:49:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:49:46,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 30 [2021-11-23 02:49:46,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:49:46,376 INFO L225 Difference]: With dead ends: 246 [2021-11-23 02:49:46,376 INFO L226 Difference]: Without dead ends: 135 [2021-11-23 02:49:46,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:49:46,379 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:49:46,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 02:49:46,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-23 02:49:46,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-11-23 02:49:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2212389380530972) internal successors, (138), 126 states have internal predecessors, (138), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 02:49:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-11-23 02:49:46,397 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 30 [2021-11-23 02:49:46,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:49:46,398 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-11-23 02:49:46,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:49:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-11-23 02:49:46,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 02:49:46,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:46,400 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] [2021-11-23 02:49:46,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-23 02:49:46,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:46,606 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 02:49:46,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:46,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1320081689, now seen corresponding path program 1 times [2021-11-23 02:49:46,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:49:46,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55519823] [2021-11-23 02:49:46,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:46,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:49:46,618 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:49:46,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1062015391] [2021-11-23 02:49:46,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:46,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:46,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:49:46,624 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:49:46,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 02:49:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:49:47,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:49:47,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:49:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:49:47,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:49:47,326 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:49:47,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55519823] [2021-11-23 02:49:47,326 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:49:47,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062015391] [2021-11-23 02:49:47,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062015391] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:49:47,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:49:47,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:49:47,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288509339] [2021-11-23 02:49:47,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:49:47,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:49:47,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:49:47,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:49:47,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:49:47,330 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:49:47,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:49:47,837 INFO L93 Difference]: Finished difference Result 252 states and 326 transitions. [2021-11-23 02:49:47,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:49:47,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2021-11-23 02:49:47,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:49:47,842 INFO L225 Difference]: With dead ends: 252 [2021-11-23 02:49:47,842 INFO L226 Difference]: Without dead ends: 137 [2021-11-23 02:49:47,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:49:47,844 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:49:47,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 296 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 02:49:47,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-23 02:49:47,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-23 02:49:47,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 128 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-23 02:49:47,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2021-11-23 02:49:47,861 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 43 [2021-11-23 02:49:47,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:49:47,861 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2021-11-23 02:49:47,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:49:47,862 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2021-11-23 02:49:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 02:49:47,863 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:47,864 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:49:47,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 02:49:48,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:48,090 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 02:49:48,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:48,090 INFO L85 PathProgramCache]: Analyzing trace with hash 198198289, now seen corresponding path program 1 times [2021-11-23 02:49:48,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:49:48,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459684256] [2021-11-23 02:49:48,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:48,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:49:48,140 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:49:48,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786909663] [2021-11-23 02:49:48,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:48,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:48,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:49:48,146 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:49:48,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8088f70d-a16d-47ca-ada6-8f8fef3f1bf5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 02:49:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:49:51,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 02:49:51,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:49:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:49:51,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:49:51,640 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:49:51,640 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:49:51,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459684256] [2021-11-23 02:49:51,640 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:49:51,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786909663] [2021-11-23 02:49:51,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786909663] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:49:51,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1483963739] [2021-11-23 02:49:51,662 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-23 02:49:51,662 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:49:51,666 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:49:51,672 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:49:51,672 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:49:51,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:49:51,810 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 02:49:51,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-23 02:49:51,833 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 02:49:51,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-23 02:49:51,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:49:51,877 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:49:51,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-23 02:49:51,914 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 [2021-11-23 02:49:51,923 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 [2021-11-23 02:49:51,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:51,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-23 02:49:52,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:49:52,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 02:49:52,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-23 02:49:52,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:49:52,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:49:52,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-23 02:49:52,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:49:52,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,512 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 70 treesize of output 69 [2021-11-23 02:49:52,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 02:49:52,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:52,566 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 100 treesize of output 105 [2021-11-23 02:49:52,613 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 02:49:52,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 125 [2021-11-23 02:49:52,678 INFO L354 Elim1Store]: treesize reduction 160, result has 11.6 percent of original size [2021-11-23 02:49:52,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 116 treesize of output 119 [2021-11-23 02:49:52,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:49:52,788 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 13 treesize of output 9 [2021-11-23 02:49:52,794 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 [2021-11-23 02:49:52,850 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 02:49:52,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-23 02:49:52,879 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:49:52,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-23 02:49:52,909 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:49:52,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-23 02:49:52,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 02:49:52,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:49:52,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:49:53,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,043 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 78 treesize of output 30 [2021-11-23 02:49:53,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-23 02:49:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,090 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 46 treesize of output 16 [2021-11-23 02:49:53,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-23 02:49:53,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,224 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 46 treesize of output 16 [2021-11-23 02:49:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:53,243 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 78 treesize of output 30 [2021-11-23 02:49:59,687 WARN L227 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:49:59,688 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:49:59,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2841 treesize of output 2318 [2021-11-23 02:49:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:10,423 WARN L227 SmtUtils]: Spent 10.68s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:50:10,423 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:50:10,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2942 treesize of output 2660 [2021-11-23 02:50:22,219 WARN L227 SmtUtils]: Spent 11.68s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:50:22,221 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 02:50:22,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2910 treesize of output 2680 [2021-11-23 02:50:23,935 INFO L354 Elim1Store]: treesize reduction 126, result has 25.0 percent of original size [2021-11-23 02:50:23,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 25948 treesize of output 25976 [2021-11-23 02:50:24,616 INFO L354 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2021-11-23 02:50:24,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 25958 treesize of output 25969 [2021-11-23 02:50:25,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:25,452 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 02:50:25,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 02:50:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:25,975 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:50:25,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-23 02:50:26,121 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:26,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:50:26,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:26,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-23 02:50:26,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:26,496 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-23 02:50:26,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-23 02:50:26,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:26,667 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:50:26,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-23 02:50:26,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:26,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:26,812 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-23 02:50:26,812 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 30 treesize of output 14 [2021-11-23 02:50:26,977 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:27,033 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:27,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:27,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:27,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:50:27,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-11-23 02:50:27,153 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:28,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:28,082 INFO L244 Elim1Store]: Index analysis took 196 ms [2021-11-23 02:50:29,281 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:50:29,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4034 treesize of output 5426 [2021-11-23 02:50:44,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,844 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-23 02:50:44,845 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 8 case distinctions, treesize of input 4050 treesize of output 3588 [2021-11-23 02:50:45,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:45,165 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:45,206 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:45,252 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:45,310 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:45,353 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:45,411 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:45,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:50:45,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:50:45,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,703 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:50:45,703 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 1 case distinctions, treesize of input 1715 treesize of output 1483 [2021-11-23 02:50:45,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:46,025 INFO L244 Elim1Store]: Index analysis took 207 ms [2021-11-23 02:50:47,437 INFO L354 Elim1Store]: treesize reduction 881, result has 53.0 percent of original size [2021-11-23 02:50:47,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 1736 treesize of output 2259 [2021-11-23 02:50:47,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:47,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:47,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:47,909 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:47,959 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:48,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:48,082 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:48,276 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:48,346 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:48,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:48,430 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:48,483 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:48,518 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:48,555 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:48,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:50:48,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:48,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:48,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:49,078 INFO L354 Elim1Store]: treesize reduction 805, result has 31.0 percent of original size [2021-11-23 02:50:49,079 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 3 case distinctions, treesize of input 1715 treesize of output 1627 [2021-11-23 02:50:49,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:49,320 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:49,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:49,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:49,509 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:49,541 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:49,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:49,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:49,778 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:49,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:49,891 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:49,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:49,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:50,016 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:50,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:50,214 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:50,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:50:50,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:50,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:50,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:50:50,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:50,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:50,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:50,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:50,358 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 1697 treesize of output 1247 [2021-11-23 02:50:50,438 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:50,465 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:50,546 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:50,646 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:50,694 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:50,745 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:50,856 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:50,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:50,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:51,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:51,097 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:51,143 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:51,195 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:51,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:51,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:51,623 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:51,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:51,785 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:51,819 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:51,866 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:51,959 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,022 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,058 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,105 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,258 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,451 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,481 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,542 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,688 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,721 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,839 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,900 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:52,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:53,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:53,065 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:53,101 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:50:53,149 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:51:02,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:02,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:02,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:02,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:02,741 INFO L244 Elim1Store]: Index analysis took 230 ms [2021-11-23 02:51:07,543 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-23 02:51:07,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 458493 treesize of output 456565 [2021-11-23 02:54:38,890 WARN L227 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 1506 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 03:00:12,256 WARN L227 SmtUtils]: Spent 9.68s on a formula simplification. DAG size of input: 1621 DAG size of output: 1621 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)