./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_single_elem_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_single_elem_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW --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 aa70df64230ecddb2965be82bddd3a5869e70ae49ad8ed2ef9f27fa2ce4c5f93 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 13:40:06,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:40:06,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:40:06,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:40:06,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:40:06,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:40:06,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:40:06,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:40:06,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:40:06,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:40:06,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:40:06,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:40:06,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:40:06,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:40:06,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:40:06,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:40:06,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:40:06,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:40:06,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:40:06,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:40:06,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:40:06,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:40:06,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:40:06,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:40:06,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:40:06,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:40:06,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:40:06,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:40:06,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:40:06,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:40:06,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:40:06,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:40:06,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:40:06,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:40:06,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:40:06,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:40:06,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:40:06,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:40:06,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:40:06,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:40:06,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:40:06,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 13:40:06,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:40:06,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:40:06,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:40:06,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:40:06,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:40:06,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:40:06,511 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:40:06,511 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:40:06,511 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:40:06,511 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:40:06,512 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:40:06,512 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:40:06,512 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:40:06,512 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:40:06,513 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:40:06,513 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:40:06,513 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:40:06,513 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:40:06,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:40:06,514 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:40:06,515 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 13:40:06,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:40:06,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:40:06,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:40:06,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:40:06,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:40:06,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:40:06,516 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 13:40:06,516 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:40:06,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:40:06,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:40:06,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:40:06,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:40:06,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:40:06,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:40:06,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:40:06,518 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:40:06,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:40:06,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:40:06,519 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:40:06,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:40:06,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:40:06,520 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:40:06,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa70df64230ecddb2965be82bddd3a5869e70ae49ad8ed2ef9f27fa2ce4c5f93 [2022-11-23 13:40:06,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:40:06,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:40:06,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:40:06,861 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:40:06,861 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:40:06,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_single_elem_init.i [2022-11-23 13:40:09,883 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:40:10,092 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:40:10,093 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/sv-benchmarks/c/array-industry-pattern/array_of_struct_single_elem_init.i [2022-11-23 13:40:10,100 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/data/5b87ee787/dae2c286dd754e9e9852502130ceed73/FLAG71fa945b1 [2022-11-23 13:40:10,119 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/data/5b87ee787/dae2c286dd754e9e9852502130ceed73 [2022-11-23 13:40:10,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:40:10,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:40:10,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:40:10,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:40:10,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:40:10,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:40:10" (1/1) ... [2022-11-23 13:40:10,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1506c8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:10, skipping insertion in model container [2022-11-23 13:40:10,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:40:10" (1/1) ... [2022-11-23 13:40:10,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:40:10,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:40:10,343 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/sv-benchmarks/c/array-industry-pattern/array_of_struct_single_elem_init.i[865,878] [2022-11-23 13:40:10,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:40:12,496 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:40:12,511 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/sv-benchmarks/c/array-industry-pattern/array_of_struct_single_elem_init.i[865,878] [2022-11-23 13:40:12,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:40:12,549 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:40:12,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:12 WrapperNode [2022-11-23 13:40:12,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:40:12,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:40:12,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:40:12,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:40:12,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:12" (1/1) ... [2022-11-23 13:40:12,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:12" (1/1) ... [2022-11-23 13:40:12,614 INFO L138 Inliner]: procedures = 16, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2022-11-23 13:40:12,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:40:12,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:40:12,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:40:12,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:40:12,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:12" (1/1) ... [2022-11-23 13:40:12,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:12" (1/1) ... [2022-11-23 13:40:12,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:12" (1/1) ... [2022-11-23 13:40:12,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:12" (1/1) ... [2022-11-23 13:40:12,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:12" (1/1) ... [2022-11-23 13:40:12,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:12" (1/1) ... [2022-11-23 13:40:12,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:12" (1/1) ... [2022-11-23 13:40:12,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:12" (1/1) ... [2022-11-23 13:40:12,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:40:12,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:40:12,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:40:12,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:40:12,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:12" (1/1) ... [2022-11-23 13:40:12,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:40:12,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:40:12,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:40:12,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:40:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:40:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:40:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:40:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 13:40:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:40:12,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:40:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 13:40:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:40:12,888 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:40:12,890 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:40:13,114 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:40:13,224 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:40:13,224 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 13:40:13,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:13 BoogieIcfgContainer [2022-11-23 13:40:13,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:40:13,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:40:13,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:40:13,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:40:13,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:40:10" (1/3) ... [2022-11-23 13:40:13,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8ffeab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:40:13, skipping insertion in model container [2022-11-23 13:40:13,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:12" (2/3) ... [2022-11-23 13:40:13,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8ffeab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:40:13, skipping insertion in model container [2022-11-23 13:40:13,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:13" (3/3) ... [2022-11-23 13:40:13,236 INFO L112 eAbstractionObserver]: Analyzing ICFG array_of_struct_single_elem_init.i [2022-11-23 13:40:13,253 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:40:13,253 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 13:40:13,295 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:40:13,300 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a50448d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:40:13,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 13:40:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:40:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-23 13:40:13,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:40:13,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-23 13:40:13,311 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 13:40:13,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:40:13,316 INFO L85 PathProgramCache]: Analyzing trace with hash 100522, now seen corresponding path program 1 times [2022-11-23 13:40:13,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:40:13,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943482323] [2022-11-23 13:40:13,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:40:13,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:40:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:40:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:40:13,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:40:13,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943482323] [2022-11-23 13:40:13,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943482323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:40:13,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:40:13,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:40:13,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558695476] [2022-11-23 13:40:13,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:40:13,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:40:13,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:40:13,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:40:13,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:40:13,648 INFO L87 Difference]: Start difference. First operand has 12 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 11 states have internal predecessors, (13), 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) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 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) [2022-11-23 13:40:13,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:40:13,744 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-11-23 13:40:13,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:40:13,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 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 [2022-11-23 13:40:13,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:40:13,754 INFO L225 Difference]: With dead ends: 17 [2022-11-23 13:40:13,754 INFO L226 Difference]: Without dead ends: 15 [2022-11-23 13:40:13,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:40:13,760 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:40:13,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 11 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:40:13,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-23 13:40:13,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 10. [2022-11-23 13:40:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:40:13,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2022-11-23 13:40:13,792 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 3 [2022-11-23 13:40:13,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:40:13,792 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-11-23 13:40:13,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 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) [2022-11-23 13:40:13,792 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-11-23 13:40:13,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 13:40:13,793 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:40:13,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 13:40:13,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:40:13,793 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 13:40:13,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:40:13,794 INFO L85 PathProgramCache]: Analyzing trace with hash 3116235, now seen corresponding path program 1 times [2022-11-23 13:40:13,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:40:13,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069509533] [2022-11-23 13:40:13,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:40:13,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:40:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:40:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:40:13,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:40:13,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069509533] [2022-11-23 13:40:13,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069509533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:40:13,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:40:13,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:40:13,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126630007] [2022-11-23 13:40:13,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:40:13,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:40:13,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:40:13,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:40:13,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:40:13,904 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:40:13,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:40:13,950 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2022-11-23 13:40:13,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:40:13,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-23 13:40:13,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:40:13,953 INFO L225 Difference]: With dead ends: 24 [2022-11-23 13:40:13,954 INFO L226 Difference]: Without dead ends: 18 [2022-11-23 13:40:13,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:40:13,959 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:40:13,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 14 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:40:13,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-23 13:40:13,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2022-11-23 13:40:13,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:40:13,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-23 13:40:13,965 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 4 [2022-11-23 13:40:13,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:40:13,965 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-23 13:40:13,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:40:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-23 13:40:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 13:40:13,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:40:13,966 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2022-11-23 13:40:13,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:40:13,967 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 13:40:13,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:40:13,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1653416283, now seen corresponding path program 1 times [2022-11-23 13:40:13,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:40:13,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216570850] [2022-11-23 13:40:13,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:40:13,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:40:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:40:14,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 13:40:14,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:40:14,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216570850] [2022-11-23 13:40:14,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216570850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:40:14,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:40:14,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:40:14,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785812958] [2022-11-23 13:40:14,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:40:14,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:40:14,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:40:14,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:40:14,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:40:14,059 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:40:14,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:40:14,075 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2022-11-23 13:40:14,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:40:14,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-11-23 13:40:14,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:40:14,076 INFO L225 Difference]: With dead ends: 13 [2022-11-23 13:40:14,077 INFO L226 Difference]: Without dead ends: 12 [2022-11-23 13:40:14,077 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:40:14,078 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:40:14,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:40:14,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-23 13:40:14,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2022-11-23 13:40:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:40:14,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2022-11-23 13:40:14,082 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2022-11-23 13:40:14,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:40:14,082 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-11-23 13:40:14,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:40:14,083 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-11-23 13:40:14,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 13:40:14,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:40:14,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:40:14,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 13:40:14,084 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 13:40:14,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:40:14,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1653419037, now seen corresponding path program 1 times [2022-11-23 13:40:14,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:40:14,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293500127] [2022-11-23 13:40:14,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:40:14,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:40:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:40:14,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 13:40:14,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:40:14,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293500127] [2022-11-23 13:40:14,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293500127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:40:14,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:40:14,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:40:14,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306578699] [2022-11-23 13:40:14,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:40:14,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:40:14,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:40:14,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:40:14,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:40:14,239 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:40:14,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:40:14,288 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2022-11-23 13:40:14,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:40:14,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2022-11-23 13:40:14,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:40:14,291 INFO L225 Difference]: With dead ends: 17 [2022-11-23 13:40:14,291 INFO L226 Difference]: Without dead ends: 15 [2022-11-23 13:40:14,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:40:14,302 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:40:14,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 10 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:40:14,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-23 13:40:14,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2022-11-23 13:40:14,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:40:14,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-23 13:40:14,306 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 7 [2022-11-23 13:40:14,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:40:14,307 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-23 13:40:14,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:40:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-23 13:40:14,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 13:40:14,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:40:14,307 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:40:14,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 13:40:14,308 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 13:40:14,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:40:14,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1973477693, now seen corresponding path program 1 times [2022-11-23 13:40:14,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:40:14,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015918540] [2022-11-23 13:40:14,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:40:14,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:40:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:40:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 13:40:14,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:40:14,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015918540] [2022-11-23 13:40:14,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015918540] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 13:40:14,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693110482] [2022-11-23 13:40:14,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:40:14,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:40:14,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:40:14,478 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:40:14,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b54434-69d1-4b2e-a169-ec40b6bf86ca/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 13:40:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:40:14,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 13:40:14,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:40:14,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 13:40:14,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:40:14,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 13:40:14,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693110482] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:40:14,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [150537061] [2022-11-23 13:40:14,782 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-23 13:40:14,783 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:40:14,786 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:40:14,791 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:40:14,792 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:40:14,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-11-23 13:40:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:14,967 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 13:40:14,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-23 13:40:15,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:15,058 INFO L321 Elim1Store]: treesize reduction 45, result has 28.6 percent of original size [2022-11-23 13:40:15,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 92 [2022-11-23 13:40:15,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:15,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 76 [2022-11-23 13:40:15,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:15,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:15,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:15,887 INFO L321 Elim1Store]: treesize reduction 168, result has 25.0 percent of original size [2022-11-23 13:40:15,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 425 treesize of output 626 [2022-11-23 13:40:16,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:16,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:16,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:16,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:16,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 288 [2022-11-23 13:40:16,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:16,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:16,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:16,453 INFO L217 Elim1Store]: Index analysis took 118 ms [2022-11-23 13:40:16,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,496 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-23 13:40:16,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 285 treesize of output 676 [2022-11-23 13:40:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:16,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:16,804 INFO L217 Elim1Store]: Index analysis took 234 ms [2022-11-23 13:40:16,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:16,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 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 285 treesize of output 896 [2022-11-23 13:40:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:19,493 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 13:40:19,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-23 13:40:21,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:21,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 32 treesize of output 41 [2022-11-23 13:40:22,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:06,837 WARN L233 SmtUtils]: Spent 4.73m on a formula simplification. DAG size of input: 358 DAG size of output: 88 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:45:06,838 INFO L321 Elim1Store]: treesize reduction 596, result has 20.6 percent of original size [2022-11-23 13:45:06,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 8 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 80 case distinctions, treesize of input 33818 treesize of output 33955 [2022-11-23 13:45:07,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:07,404 INFO L217 Elim1Store]: Index analysis took 127 ms