./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:07:44,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:07:44,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:07:44,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:07:44,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:07:44,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:07:44,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:07:44,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:07:44,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:07:44,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:07:44,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:07:44,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:07:44,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:07:44,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:07:44,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:07:44,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:07:44,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:07:44,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:07:44,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:07:44,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:07:44,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:07:44,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:07:44,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:07:44,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:07:44,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:07:44,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:07:44,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:07:44,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:07:44,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:07:44,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:07:44,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:07:44,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:07:44,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:07:44,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:07:44,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:07:44,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:07:44,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:07:44,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:07:44,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:07:44,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:07:44,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:07:44,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 20:07:44,490 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:07:44,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:07:44,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:07:44,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:07:44,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:07:44,492 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:07:44,492 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:07:44,492 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:07:44,493 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:07:44,493 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:07:44,493 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:07:44,493 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:07:44,494 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:07:44,494 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:07:44,494 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:07:44,494 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:07:44,494 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:07:44,495 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:07:44,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:07:44,496 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:07:44,496 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:07:44,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:07:44,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:07:44,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:07:44,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:07:44,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:07:44,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:07:44,497 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 20:07:44,498 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:07:44,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:07:44,498 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:07:44,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:07:44,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:07:44,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:07:44,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:07:44,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:07:44,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:07:44,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:07:44,500 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:07:44,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:07:44,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:07:44,501 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:07:44,501 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:07:44,501 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_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 [2021-11-25 20:07:44,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:07:44,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:07:44,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:07:44,770 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:07:44,771 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:07:44,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2021-11-25 20:07:44,845 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/data/be21a4b5c/5d7d3e51afac46b5b008534e4047f5c4/FLAG9dbab9bbf [2021-11-25 20:07:45,461 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:07:45,462 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2021-11-25 20:07:45,481 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/data/be21a4b5c/5d7d3e51afac46b5b008534e4047f5c4/FLAG9dbab9bbf [2021-11-25 20:07:45,660 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/data/be21a4b5c/5d7d3e51afac46b5b008534e4047f5c4 [2021-11-25 20:07:45,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:07:45,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:07:45,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:07:45,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:07:45,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:07:45,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:07:45" (1/1) ... [2021-11-25 20:07:45,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cab40c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:07:45, skipping insertion in model container [2021-11-25 20:07:45,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:07:45" (1/1) ... [2021-11-25 20:07:45,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:07:45,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:07:46,224 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_52a2d292-9cda-4331-9b44-9122ac409c5d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i[33021,33034] [2021-11-25 20:07:46,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:07:46,384 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:07:46,440 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_52a2d292-9cda-4331-9b44-9122ac409c5d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i[33021,33034] [2021-11-25 20:07:46,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:07:46,552 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:07:46,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:07:46 WrapperNode [2021-11-25 20:07:46,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:07:46,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:07:46,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:07:46,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:07:46,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:07:46" (1/1) ... [2021-11-25 20:07:46,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:07:46" (1/1) ... [2021-11-25 20:07:46,672 INFO L137 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1159 [2021-11-25 20:07:46,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:07:46,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:07:46,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:07:46,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:07:46,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:07:46" (1/1) ... [2021-11-25 20:07:46,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:07:46" (1/1) ... [2021-11-25 20:07:46,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:07:46" (1/1) ... [2021-11-25 20:07:46,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:07:46" (1/1) ... [2021-11-25 20:07:46,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:07:46" (1/1) ... [2021-11-25 20:07:46,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:07:46" (1/1) ... [2021-11-25 20:07:46,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:07:46" (1/1) ... [2021-11-25 20:07:46,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:07:46,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:07:46,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:07:46,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:07:46,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:07:46" (1/1) ... [2021-11-25 20:07:46,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:07:46,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:07:46,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:07:46,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:07:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:07:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:07:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:07:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:07:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:07:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:07:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:07:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:07:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:07:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:07:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:07:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:07:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:07:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:07:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:07:47,212 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:07:47,214 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:07:48,389 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:07:48,773 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:07:48,773 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-25 20:07:48,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:07:48 BoogieIcfgContainer [2021-11-25 20:07:48,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:07:48,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:07:48,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:07:48,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:07:48,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:07:45" (1/3) ... [2021-11-25 20:07:48,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f151eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:07:48, skipping insertion in model container [2021-11-25 20:07:48,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:07:46" (2/3) ... [2021-11-25 20:07:48,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f151eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:07:48, skipping insertion in model container [2021-11-25 20:07:48,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:07:48" (3/3) ... [2021-11-25 20:07:48,797 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-1.i [2021-11-25 20:07:48,804 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:07:48,804 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-25 20:07:48,852 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:07:48,864 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:07:48,873 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-25 20:07:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 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) [2021-11-25 20:07:48,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 20:07:48,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:07:48,895 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-25 20:07:48,896 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)] === [2021-11-25 20:07:48,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:07:48,900 INFO L85 PathProgramCache]: Analyzing trace with hash 894004, now seen corresponding path program 1 times [2021-11-25 20:07:48,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:07:48,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284967603] [2021-11-25 20:07:48,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:07:48,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:07:49,026 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:07:49,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [458528413] [2021-11-25 20:07:49,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:07:49,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:07:49,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:07:49,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:07:49,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:07:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:07:49,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:07:49,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:07:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:07:49,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:07:49,307 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:07:49,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284967603] [2021-11-25 20:07:49,308 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:07:49,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458528413] [2021-11-25 20:07:49,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458528413] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:07:49,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:07:49,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-25 20:07:49,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294387917] [2021-11-25 20:07:49,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:07:49,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:07:49,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:07:49,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:07:49,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:07:49,359 INFO L87 Difference]: Start difference. First operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 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) 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) [2021-11-25 20:07:50,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:07:50,826 INFO L93 Difference]: Finished difference Result 368 states and 640 transitions. [2021-11-25 20:07:50,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:07:50,834 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 [2021-11-25 20:07:50,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:07:50,846 INFO L225 Difference]: With dead ends: 368 [2021-11-25 20:07:50,847 INFO L226 Difference]: Without dead ends: 233 [2021-11-25 20:07:50,850 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 [2021-11-25 20:07:50,854 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 102 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:07:50,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 308 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 20:07:50,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-25 20:07:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 135. [2021-11-25 20:07:50,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 112 states have (on average 1.2410714285714286) internal successors, (139), 126 states have internal predecessors, (139), 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) [2021-11-25 20:07:50,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2021-11-25 20:07:50,950 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 3 [2021-11-25 20:07:50,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:07:50,951 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2021-11-25 20:07:50,951 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) [2021-11-25 20:07:50,951 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2021-11-25 20:07:50,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 20:07:50,955 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:07:50,956 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:07:50,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:07:51,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 20:07:51,182 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)] === [2021-11-25 20:07:51,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:07:51,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1485228930, now seen corresponding path program 1 times [2021-11-25 20:07:51,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:07:51,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518765200] [2021-11-25 20:07:51,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:07:51,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:07:51,456 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:07:51,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [927932870] [2021-11-25 20:07:51,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:07:51,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:07:51,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:07:51,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:07:51,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:07:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:07:52,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 3016 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:07:52,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:07:52,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:07:52,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:07:52,836 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:07:52,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518765200] [2021-11-25 20:07:52,836 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:07:52,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927932870] [2021-11-25 20:07:52,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927932870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:07:52,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:07:52,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:07:52,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116124574] [2021-11-25 20:07:52,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:07:52,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:07:52,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:07:52,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:07:52,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:07:52,841 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:07:55,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:07:56,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:07:56,902 INFO L93 Difference]: Finished difference Result 233 states and 285 transitions. [2021-11-25 20:07:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:07:56,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-11-25 20:07:56,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:07:56,914 INFO L225 Difference]: With dead ends: 233 [2021-11-25 20:07:56,914 INFO L226 Difference]: Without dead ends: 232 [2021-11-25 20:07:56,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:07:56,916 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 59 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:07:56,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 447 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-11-25 20:07:56,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-25 20:07:56,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2021-11-25 20:07:56,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 201 states have (on average 1.1840796019900497) internal successors, (238), 215 states have internal predecessors, (238), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-25 20:07:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2021-11-25 20:07:56,942 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 282 transitions. Word has length 48 [2021-11-25 20:07:56,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:07:56,943 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 282 transitions. [2021-11-25 20:07:56,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:07:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 282 transitions. [2021-11-25 20:07:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 20:07:56,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:07:56,946 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:07:56,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:07:57,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:07:57,155 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)] === [2021-11-25 20:07:57,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:07:57,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1202544191, now seen corresponding path program 1 times [2021-11-25 20:07:57,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:07:57,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523158456] [2021-11-25 20:07:57,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:07:57,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:07:57,404 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:07:57,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [581100397] [2021-11-25 20:07:57,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:07:57,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:07:57,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:07:57,412 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:07:57,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:07:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:07:58,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 3017 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:07:58,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:07:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:07:58,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:07:58,781 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:07:58,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523158456] [2021-11-25 20:07:58,781 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:07:58,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581100397] [2021-11-25 20:07:58,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581100397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:07:58,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:07:58,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:07:58,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752835073] [2021-11-25 20:07:58,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:07:58,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:07:58,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:07:58,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:07:58,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:07:58,785 INFO L87 Difference]: Start difference. First operand 230 states and 282 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:08:00,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:00,363 INFO L93 Difference]: Finished difference Result 230 states and 282 transitions. [2021-11-25 20:08:00,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:08:00,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-25 20:08:00,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:00,370 INFO L225 Difference]: With dead ends: 230 [2021-11-25 20:08:00,370 INFO L226 Difference]: Without dead ends: 229 [2021-11-25 20:08:00,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:08:00,371 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 86 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:00,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 304 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 20:08:00,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-11-25 20:08:00,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2021-11-25 20:08:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 201 states have (on average 1.1791044776119404) internal successors, (237), 214 states have internal predecessors, (237), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-25 20:08:00,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 281 transitions. [2021-11-25 20:08:00,397 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 281 transitions. Word has length 49 [2021-11-25 20:08:00,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:00,397 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 281 transitions. [2021-11-25 20:08:00,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:08:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 281 transitions. [2021-11-25 20:08:00,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 20:08:00,400 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:00,400 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:08:00,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:08:00,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:00,626 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)] === [2021-11-25 20:08:00,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:00,627 INFO L85 PathProgramCache]: Analyzing trace with hash 298795953, now seen corresponding path program 1 times [2021-11-25 20:08:00,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:00,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346852684] [2021-11-25 20:08:00,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:00,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:00,794 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:08:00,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1849371968] [2021-11-25 20:08:00,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:00,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:00,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:08:00,796 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:08:00,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:08:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:02,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 3046 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:08:02,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:08:02,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:08:02,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:08:02,429 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:02,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346852684] [2021-11-25 20:08:02,430 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:08:02,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849371968] [2021-11-25 20:08:02,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849371968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:02,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:08:02,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:08:02,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956037836] [2021-11-25 20:08:02,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:02,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:02,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:02,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:02,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:02,443 INFO L87 Difference]: Start difference. First operand 229 states and 281 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:08:04,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:04,144 INFO L93 Difference]: Finished difference Result 384 states and 476 transitions. [2021-11-25 20:08:04,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:04,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 51 [2021-11-25 20:08:04,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:04,151 INFO L225 Difference]: With dead ends: 384 [2021-11-25 20:08:04,151 INFO L226 Difference]: Without dead ends: 227 [2021-11-25 20:08:04,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:04,153 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 38 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:04,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 289 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 20:08:04,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-25 20:08:04,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-25 20:08:04,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 199 states have (on average 1.1758793969849246) internal successors, (234), 212 states have internal predecessors, (234), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-25 20:08:04,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 278 transitions. [2021-11-25 20:08:04,174 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 278 transitions. Word has length 51 [2021-11-25 20:08:04,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:04,174 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 278 transitions. [2021-11-25 20:08:04,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:08:04,175 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 278 transitions. [2021-11-25 20:08:04,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 20:08:04,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:04,177 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:08:04,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 20:08:04,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-25 20:08:04,406 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)] === [2021-11-25 20:08:04,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:04,406 INFO L85 PathProgramCache]: Analyzing trace with hash 122534312, now seen corresponding path program 1 times [2021-11-25 20:08:04,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:04,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163924692] [2021-11-25 20:08:04,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:04,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:04,533 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:08:04,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977921550] [2021-11-25 20:08:04,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:04,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:04,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:08:04,546 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:08:04,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 20:08:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:05,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 2183 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:08:05,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:08:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:08:05,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:08:05,929 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:05,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163924692] [2021-11-25 20:08:05,929 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:08:05,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977921550] [2021-11-25 20:08:05,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977921550] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:05,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:08:05,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:08:05,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980148644] [2021-11-25 20:08:05,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:05,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:05,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:05,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:05,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:05,932 INFO L87 Difference]: Start difference. First operand 227 states and 278 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:08:07,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:07,520 INFO L93 Difference]: Finished difference Result 426 states and 524 transitions. [2021-11-25 20:08:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:07,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-25 20:08:07,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:07,530 INFO L225 Difference]: With dead ends: 426 [2021-11-25 20:08:07,530 INFO L226 Difference]: Without dead ends: 225 [2021-11-25 20:08:07,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:07,534 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 11 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:07,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 286 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 20:08:07,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-11-25 20:08:07,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-11-25 20:08:07,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 210 states have internal predecessors, (231), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-25 20:08:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 275 transitions. [2021-11-25 20:08:07,550 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 275 transitions. Word has length 64 [2021-11-25 20:08:07,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:07,551 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 275 transitions. [2021-11-25 20:08:07,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:08:07,551 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 275 transitions. [2021-11-25 20:08:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 20:08:07,553 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:07,553 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:08:07,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 20:08:07,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:07,778 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)] === [2021-11-25 20:08:07,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:07,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1762473051, now seen corresponding path program 1 times [2021-11-25 20:08:07,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:07,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757010834] [2021-11-25 20:08:07,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:07,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:07,856 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:08:07,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [396705878] [2021-11-25 20:08:07,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:07,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:07,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:08:07,859 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:08:07,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 20:08:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:10,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:08:10,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:08:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 20:08:10,778 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:08:10,779 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:10,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757010834] [2021-11-25 20:08:10,779 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:08:10,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396705878] [2021-11-25 20:08:10,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396705878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:10,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:08:10,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:08:10,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354264313] [2021-11-25 20:08:10,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:10,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:08:10,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:10,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:08:10,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:08:10,782 INFO L87 Difference]: Start difference. First operand 225 states and 275 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:08:12,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:08:15,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:08:15,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:15,567 INFO L93 Difference]: Finished difference Result 432 states and 542 transitions. [2021-11-25 20:08:15,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:08:15,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-25 20:08:15,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:15,586 INFO L225 Difference]: With dead ends: 432 [2021-11-25 20:08:15,586 INFO L226 Difference]: Without dead ends: 227 [2021-11-25 20:08:15,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:08:15,588 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:15,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 434 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-25 20:08:15,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-25 20:08:15,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-25 20:08:15,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 198 states have (on average 1.1767676767676767) internal successors, (233), 212 states have internal predecessors, (233), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-25 20:08:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 281 transitions. [2021-11-25 20:08:15,606 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 281 transitions. Word has length 77 [2021-11-25 20:08:15,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:15,606 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 281 transitions. [2021-11-25 20:08:15,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:08:15,607 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 281 transitions. [2021-11-25 20:08:15,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 20:08:15,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:15,609 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:08:15,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-25 20:08:15,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:15,818 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 20:08:15,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:15,819 INFO L85 PathProgramCache]: Analyzing trace with hash -211946721, now seen corresponding path program 1 times [2021-11-25 20:08:15,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:15,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898014389] [2021-11-25 20:08:15,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:15,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:15,890 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:08:15,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1897555663] [2021-11-25 20:08:15,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:15,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:15,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:08:15,892 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:08:15,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a2d292-9cda-4331-9b44-9122ac409c5d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-25 20:08:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:18,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:08:18,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:08:18,419 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 20:08:18,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:08:18,622 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 20:08:18,622 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:18,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898014389] [2021-11-25 20:08:18,622 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:08:18,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897555663] [2021-11-25 20:08:18,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897555663] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:08:18,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [680195515] [2021-11-25 20:08:18,649 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-25 20:08:18,649 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:08:18,656 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:08:18,661 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:08:18,662 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:08:19,084 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:08:19,085 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 [2021-11-25 20:08:19,139 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:08:19,140 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 [2021-11-25 20:08:19,150 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 15 treesize of output 1 [2021-11-25 20:08:19,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 20:08:19,168 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 15 treesize of output 1 [2021-11-25 20:08:19,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 20:08:19,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 20:08:19,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,233 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 [2021-11-25 20:08:19,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:08:19,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,709 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 57 treesize of output 54 [2021-11-25 20:08:19,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,736 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 [2021-11-25 20:08:19,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:08:19,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:08:19,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:08:19,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,886 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 [2021-11-25 20:08:19,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:19,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:08:20,045 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:08:20,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2021-11-25 20:08:20,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 20:08:20,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,112 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 [2021-11-25 20:08:20,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:08:20,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:08:20,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 20:08:20,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:08:20,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 20:08:20,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 20:08:20,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:08:20,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:08:20,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 20:08:20,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:08:20,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,404 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 [2021-11-25 20:08:20,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,429 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 [2021-11-25 20:08:20,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:08:20,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,584 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 [2021-11-25 20:08:20,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:08:20,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:20,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 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 [2021-11-25 20:08:27,428 WARN L227 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:08:27,429 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:08:27,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 20:08:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:36,749 WARN L227 SmtUtils]: Spent 9.19s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:08:36,749 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:08:36,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 20:08:37,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:37,529 INFO L244 Elim1Store]: Index analysis took 525 ms [2021-11-25 20:08:48,560 WARN L227 SmtUtils]: Spent 10.68s on a formula simplification. DAG size of input: 244 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:08:48,562 INFO L354 Elim1Store]: treesize reduction 2566, result has 31.1 percent of original size [2021-11-25 20:08:48,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 1377 [2021-11-25 20:08:49,868 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 20:08:49,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2021-11-25 20:08:50,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-25 20:08:50,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:50,721 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-25 20:08:50,722 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 50 treesize of output 32 [2021-11-25 20:08:50,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:51,129 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:08:51,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-25 20:08:51,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:08:51,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:51,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:51,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-25 20:08:51,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:51,604 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-25 20:08:51,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-25 20:08:51,668 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:08:51,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:51,959 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 20:08:51,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 24 [2021-11-25 20:08:52,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:52,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:52,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-11-25 20:08:52,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:08:52,160 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:08:52,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:52,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:52,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:52,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:52,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:52,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 57 [2021-11-25 20:08:53,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:53,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:53,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,519 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-11-25 20:08:53,661 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:08:53,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3554 treesize of output 3334 [2021-11-25 20:08:53,789 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:08:53,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:08:53,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:53,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:54,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,099 INFO L244 Elim1Store]: Index analysis took 172 ms [2021-11-25 20:08:54,234 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:08:54,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3244 treesize of output 3012 [2021-11-25 20:08:54,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:54,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3167 treesize of output 2791 [2021-11-25 20:08:54,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:08:54,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:08:54,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:54,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,893 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-11-25 20:08:54,908 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 20:08:54,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3570 treesize of output 3126 [2021-11-25 20:08:55,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:55,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:55,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:55,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:55,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:55,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:55,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:55,259 INFO L244 Elim1Store]: Index analysis took 117 ms [2021-11-25 20:08:55,275 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 20:08:55,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3565 treesize of output 3121 [2021-11-25 20:08:55,955 INFO L244 Elim1Store]: Index analysis took 222 ms [2021-11-25 20:08:56,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:57,618 INFO L354 Elim1Store]: treesize reduction 389, result has 79.0 percent of original size [2021-11-25 20:08:57,618 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 10 case distinctions, treesize of input 3586 treesize of output 4585 [2021-11-25 20:08:58,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:58,716 INFO L244 Elim1Store]: Index analysis took 139 ms [2021-11-25 20:08:59,039 INFO L354 Elim1Store]: treesize reduction 1803, result has 2.5 percent of original size [2021-11-25 20:08:59,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3575 treesize of output 3165 [2021-11-25 20:08:59,272 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:08:59,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:08:59,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:59,573 INFO L244 Elim1Store]: Index analysis took 154 ms [2021-11-25 20:09:01,565 INFO L354 Elim1Store]: treesize reduction 413, result has 77.9 percent of original size [2021-11-25 20:09:01,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3265 treesize of output 4256 [2021-11-25 20:09:04,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:09:04,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:09:04,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,543 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-25 20:09:04,568 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-25 20:09:04,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3188 treesize of output 2794 [2021-11-25 20:09:04,691 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:09:04,757 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:09:05,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:05,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:05,802 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-25 20:09:06,000 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-25 20:09:06,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 3591 treesize of output 1 [2021-11-25 20:09:08,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:09:08,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:08,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:08,249 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-25 20:09:08,863 INFO L354 Elim1Store]: treesize reduction 430, result has 62.8 percent of original size [2021-11-25 20:09:08,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3554 treesize of output 3840 [2021-11-25 20:09:09,047 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:09:09,110 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:09:09,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:09:09,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:09,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:09,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:09,307 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-25 20:09:09,936 INFO L354 Elim1Store]: treesize reduction 430, result has 63.2 percent of original size [2021-11-25 20:09:09,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3244 treesize of output 3530 [2021-11-25 20:09:10,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:09:10,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:10,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:09:10,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:10,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:10,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3167 treesize of output 2791 [2021-11-25 20:09:10,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:09:10,289 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:09:10,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:10,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:10,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:10,691 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-25 20:09:10,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3570 treesize of output 3126 [2021-11-25 20:09:10,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:09:10,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:10,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:10,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:11,066 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-25 20:09:11,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3565 treesize of output 3121 [2021-11-25 20:09:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:13,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:13,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:13,423 INFO L244 Elim1Store]: Index analysis took 208 ms [2021-11-25 20:09:17,469 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 20:09:17,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 118197 treesize of output 117947 [2021-11-25 20:13:23,987 WARN L227 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 1853 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 20:13:46,659 WARN L227 SmtUtils]: Spent 17.78s on a formula simplification. DAG size of input: 1853 DAG size of output: 1853 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 20:16:35,321 WARN L227 SmtUtils]: Spent 17.58s on a formula simplification. DAG size of input: 1677 DAG size of output: 1677 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 20:21:19,520 WARN L227 SmtUtils]: Spent 7.87s on a formula simplification that was a NOOP. DAG size: 1676 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)