./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh --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 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:38:08,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:38:08,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:38:08,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:38:08,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:38:08,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:38:08,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:38:08,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:38:08,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:38:08,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:38:08,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:38:08,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:38:08,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:38:08,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:38:08,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:38:08,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:38:08,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:38:08,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:38:08,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:38:08,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:38:08,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:38:08,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:38:08,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:38:08,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:38:08,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:38:08,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:38:08,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:38:08,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:38:08,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:38:08,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:38:08,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:38:08,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:38:08,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:38:08,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:38:08,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:38:08,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:38:08,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:38:08,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:38:08,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:38:08,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:38:08,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:38:08,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 09:38:08,421 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:38:08,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:38:08,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:38:08,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:38:08,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:38:08,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:38:08,423 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:38:08,423 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:38:08,423 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:38:08,423 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:38:08,423 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:38:08,424 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:38:08,424 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:38:08,424 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:38:08,424 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:38:08,424 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:38:08,424 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:38:08,425 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:38:08,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:38:08,425 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 09:38:08,425 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:38:08,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:38:08,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 09:38:08,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:38:08,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:38:08,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:38:08,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:38:08,426 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 09:38:08,426 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 09:38:08,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:38:08,427 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:38:08,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:38:08,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:38:08,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:38:08,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:38:08,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:38:08,428 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:38:08,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:38:08,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:38:08,428 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:38:08,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:38:08,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:38:08,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:38:08,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc [2022-12-14 09:38:08,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:38:08,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:38:08,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:38:08,638 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:38:08,638 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:38:08,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2022-12-14 09:38:11,233 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:38:11,511 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:38:11,511 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2022-12-14 09:38:11,527 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/data/adc0c6b32/23c131a7be854d6cbd220631599685cc/FLAG77ff9197f [2022-12-14 09:38:11,798 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/data/adc0c6b32/23c131a7be854d6cbd220631599685cc [2022-12-14 09:38:11,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:38:11,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:38:11,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:38:11,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:38:11,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:38:11,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:38:11" (1/1) ... [2022-12-14 09:38:11,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7671c5ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:11, skipping insertion in model container [2022-12-14 09:38:11,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:38:11" (1/1) ... [2022-12-14 09:38:11,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:38:11,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:38:12,306 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[33021,33034] [2022-12-14 09:38:12,455 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:38:12,457 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[84583,84596] [2022-12-14 09:38:12,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:38:12,483 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:38:12,513 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[33021,33034] [2022-12-14 09:38:12,573 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:38:12,574 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[84583,84596] [2022-12-14 09:38:12,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:38:12,607 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:38:12,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:12 WrapperNode [2022-12-14 09:38:12,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:38:12,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:38:12,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:38:12,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:38:12,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:12" (1/1) ... [2022-12-14 09:38:12,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:12" (1/1) ... [2022-12-14 09:38:12,710 INFO L138 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3023 [2022-12-14 09:38:12,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:38:12,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:38:12,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:38:12,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:38:12,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:12" (1/1) ... [2022-12-14 09:38:12,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:12" (1/1) ... [2022-12-14 09:38:12,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:12" (1/1) ... [2022-12-14 09:38:12,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:12" (1/1) ... [2022-12-14 09:38:12,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:12" (1/1) ... [2022-12-14 09:38:12,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:12" (1/1) ... [2022-12-14 09:38:12,809 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:12" (1/1) ... [2022-12-14 09:38:12,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:12" (1/1) ... [2022-12-14 09:38:12,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:38:12,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:38:12,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:38:12,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:38:12,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:12" (1/1) ... [2022-12-14 09:38:12,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:38:12,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:38:12,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:38:12,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:38:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:38:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 09:38:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 09:38:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:38:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 09:38:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 09:38:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:38:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:38:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:38:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:38:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 09:38:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:38:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:38:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:38:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:38:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:38:13,046 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:38:13,048 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:38:15,093 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:38:15,445 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:38:15,445 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-14 09:38:15,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:38:15 BoogieIcfgContainer [2022-12-14 09:38:15,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:38:15,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:38:15,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:38:15,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:38:15,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:38:11" (1/3) ... [2022-12-14 09:38:15,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16477aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:38:15, skipping insertion in model container [2022-12-14 09:38:15,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:12" (2/3) ... [2022-12-14 09:38:15,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16477aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:38:15, skipping insertion in model container [2022-12-14 09:38:15,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:38:15" (3/3) ... [2022-12-14 09:38:15,456 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test9-2.i [2022-12-14 09:38:15,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:38:15,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-14 09:38:15,522 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:38:15,526 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@69b4707a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:38:15,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 09:38:15,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 1123 states, 609 states have (on average 1.9655172413793103) internal successors, (1197), 1117 states have internal predecessors, (1197), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 09:38:15,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 09:38:15,537 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:38:15,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 09:38:15,537 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:38:15,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:38:15,541 INFO L85 PathProgramCache]: Analyzing trace with hash 144591002, now seen corresponding path program 1 times [2022-12-14 09:38:15,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:38:15,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692354903] [2022-12-14 09:38:15,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:38:15,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:38:15,632 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:38:15,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141282294] [2022-12-14 09:38:15,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:38:15,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:38:15,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:38:15,634 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:38:15,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:38:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:38:15,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 09:38:15,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:38:15,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:38:15,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-12-14 09:38:15,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:38:15,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-12-14 09:38:15,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:38:15,872 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:38:15,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:38:15,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692354903] [2022-12-14 09:38:15,872 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:38:15,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141282294] [2022-12-14 09:38:15,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141282294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:38:15,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:38:15,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:38:15,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381449892] [2022-12-14 09:38:15,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:38:15,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:38:15,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:38:15,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:38:15,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:38:15,905 INFO L87 Difference]: Start difference. First operand has 1123 states, 609 states have (on average 1.9655172413793103) internal successors, (1197), 1117 states have internal predecessors, (1197), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:38:17,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:38:17,725 INFO L93 Difference]: Finished difference Result 3309 states and 6518 transitions. [2022-12-14 09:38:17,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:38:17,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 09:38:17,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:38:17,754 INFO L225 Difference]: With dead ends: 3309 [2022-12-14 09:38:17,754 INFO L226 Difference]: Without dead ends: 2167 [2022-12-14 09:38:17,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:38:17,763 INFO L413 NwaCegarLoop]: 2605 mSDtfsCounter, 1068 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1568 SdHoareTripleChecker+Valid, 6795 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:38:17,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1568 Valid, 6795 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 09:38:17,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2022-12-14 09:38:18,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 1111. [2022-12-14 09:38:18,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 598 states have (on average 1.874581939799331) internal successors, (1121), 1105 states have internal predecessors, (1121), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 09:38:18,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2127 transitions. [2022-12-14 09:38:18,082 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2127 transitions. Word has length 4 [2022-12-14 09:38:18,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:38:18,082 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2127 transitions. [2022-12-14 09:38:18,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:38:18,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2127 transitions. [2022-12-14 09:38:18,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 09:38:18,083 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:38:18,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:38:18,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:38:18,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:38:18,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:38:18,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:38:18,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1632001244, now seen corresponding path program 1 times [2022-12-14 09:38:18,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:38:18,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778770552] [2022-12-14 09:38:18,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:38:18,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:38:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:38:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:38:18,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:38:18,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778770552] [2022-12-14 09:38:18,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778770552] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:38:18,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:38:18,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:38:18,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119585504] [2022-12-14 09:38:18,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:38:18,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:38:18,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:38:18,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:38:18,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:38:18,637 INFO L87 Difference]: Start difference. First operand 1111 states and 2127 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:38:22,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:38:22,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:38:22,205 INFO L93 Difference]: Finished difference Result 3200 states and 6229 transitions. [2022-12-14 09:38:22,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:38:22,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2022-12-14 09:38:22,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:38:22,220 INFO L225 Difference]: With dead ends: 3200 [2022-12-14 09:38:22,220 INFO L226 Difference]: Without dead ends: 2154 [2022-12-14 09:38:22,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:38:22,223 INFO L413 NwaCegarLoop]: 2598 mSDtfsCounter, 1051 mSDsluCounter, 4177 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 6775 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:38:22,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 6775 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 09:38:22,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-12-14 09:38:22,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1111. [2022-12-14 09:38:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 598 states have (on average 1.8729096989966556) internal successors, (1120), 1105 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 09:38:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2126 transitions. [2022-12-14 09:38:22,429 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2126 transitions. Word has length 20 [2022-12-14 09:38:22,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:38:22,429 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2126 transitions. [2022-12-14 09:38:22,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:38:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2126 transitions. [2022-12-14 09:38:22,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 09:38:22,430 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:38:22,430 INFO L195 NwaCegarLoop]: 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] [2022-12-14 09:38:22,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:38:22,431 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:38:22,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:38:22,431 INFO L85 PathProgramCache]: Analyzing trace with hash -629111386, now seen corresponding path program 1 times [2022-12-14 09:38:22,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:38:22,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085971172] [2022-12-14 09:38:22,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:38:22,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:38:22,509 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:38:22,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [334037875] [2022-12-14 09:38:22,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:38:22,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:38:22,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:38:22,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:38:22,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:38:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:38:22,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 09:38:22,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:38:22,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:38:22,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:38:22,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:38:22,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085971172] [2022-12-14 09:38:22,990 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:38:22,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334037875] [2022-12-14 09:38:22,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334037875] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:38:22,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:38:22,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:38:22,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492751301] [2022-12-14 09:38:22,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:38:22,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:38:22,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:38:22,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:38:22,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:38:22,992 INFO L87 Difference]: Start difference. First operand 1111 states and 2126 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:38:23,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:38:23,895 INFO L93 Difference]: Finished difference Result 3258 states and 6292 transitions. [2022-12-14 09:38:23,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:38:23,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-14 09:38:23,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:38:23,906 INFO L225 Difference]: With dead ends: 3258 [2022-12-14 09:38:23,906 INFO L226 Difference]: Without dead ends: 2152 [2022-12-14 09:38:23,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:38:23,909 INFO L413 NwaCegarLoop]: 2622 mSDtfsCounter, 1039 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:38:23,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 4711 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:38:23,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2022-12-14 09:38:24,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 2148. [2022-12-14 09:38:24,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2148 states, 1135 states have (on average 1.905726872246696) internal successors, (2163), 2142 states have internal predecessors, (2163), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-12-14 09:38:24,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 4169 transitions. [2022-12-14 09:38:24,142 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 4169 transitions. Word has length 28 [2022-12-14 09:38:24,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:38:24,142 INFO L495 AbstractCegarLoop]: Abstraction has 2148 states and 4169 transitions. [2022-12-14 09:38:24,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:38:24,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 4169 transitions. [2022-12-14 09:38:24,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 09:38:24,143 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:38:24,143 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:38:24,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 09:38:24,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:38:24,344 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:38:24,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:38:24,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1213932220, now seen corresponding path program 1 times [2022-12-14 09:38:24,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:38:24,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292303022] [2022-12-14 09:38:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:38:24,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:38:24,382 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:38:24,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764398148] [2022-12-14 09:38:24,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:38:24,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:38:24,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:38:24,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:38:24,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 09:38:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:38:40,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 09:38:40,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:38:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:38:40,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:38:40,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:38:40,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292303022] [2022-12-14 09:38:40,682 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:38:40,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764398148] [2022-12-14 09:38:40,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764398148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:38:40,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:38:40,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:38:40,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888673746] [2022-12-14 09:38:40,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:38:40,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:38:40,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:38:40,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:38:40,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:38:40,684 INFO L87 Difference]: Start difference. First operand 2148 states and 4169 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 09:38:41,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:38:41,558 INFO L93 Difference]: Finished difference Result 4280 states and 8324 transitions. [2022-12-14 09:38:41,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:38:41,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-12-14 09:38:41,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:38:41,570 INFO L225 Difference]: With dead ends: 4280 [2022-12-14 09:38:41,570 INFO L226 Difference]: Without dead ends: 2150 [2022-12-14 09:38:41,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:38:41,574 INFO L413 NwaCegarLoop]: 2107 mSDtfsCounter, 1 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6317 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:38:41,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6317 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:38:41,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2022-12-14 09:38:41,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2150. [2022-12-14 09:38:41,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2150 states, 1136 states have (on average 1.9058098591549295) internal successors, (2165), 2144 states have internal predecessors, (2165), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 3 states have return successors, (1004), 5 states have call predecessors, (1004), 1003 states have call successors, (1004) [2022-12-14 09:38:41,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 4172 transitions. [2022-12-14 09:38:41,849 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 4172 transitions. Word has length 41 [2022-12-14 09:38:41,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:38:41,849 INFO L495 AbstractCegarLoop]: Abstraction has 2150 states and 4172 transitions. [2022-12-14 09:38:41,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 09:38:41,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 4172 transitions. [2022-12-14 09:38:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 09:38:41,850 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:38:41,850 INFO L195 NwaCegarLoop]: 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] [2022-12-14 09:38:41,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 09:38:42,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:38:42,051 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:38:42,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:38:42,052 INFO L85 PathProgramCache]: Analyzing trace with hash -535975716, now seen corresponding path program 1 times [2022-12-14 09:38:42,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:38:42,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750702125] [2022-12-14 09:38:42,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:38:42,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:38:42,111 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:38:42,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641095304] [2022-12-14 09:38:42,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:38:42,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:38:42,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:38:42,112 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:38:42,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad88a2f-92b8-4812-a531-952988e8e3f6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:39:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:39:00,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 09:39:00,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:39:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:39:00,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:39:00,241 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:39:00,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:39:00,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750702125] [2022-12-14 09:39:00,242 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:39:00,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641095304] [2022-12-14 09:39:00,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641095304] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:39:00,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [882086143] [2022-12-14 09:39:00,256 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-12-14 09:39:00,256 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:39:00,259 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:39:00,262 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:39:00,263 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:39:00,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:39:00,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,322 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 09:39:00,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 09:39:00,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,332 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 22 [2022-12-14 09:39:00,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:39:00,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:39:00,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,400 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 09:39:00,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 09:39:00,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:39:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,446 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 09:39:00,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 09:39:00,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2022-12-14 09:39:00,500 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:00,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2022-12-14 09:39:00,521 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:00,799 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:00,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-12-14 09:39:00,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-12-14 09:39:00,895 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:00,932 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:00,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:00,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 09:39:01,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 09:39:01,054 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:01,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 09:39:01,150 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:01,171 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:01,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,222 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 09:39:01,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-12-14 09:39:01,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-12-14 09:39:01,420 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:01,424 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:01,428 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:01,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 09:39:01,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 09:39:01,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 09:39:01,479 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:01,483 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:01,488 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:01,544 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:01,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 09:39:01,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 09:39:01,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:01,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 09:39:01,809 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 09:39:01,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 09:39:03,201 INFO L217 Elim1Store]: Index analysis took 1183 ms [2022-12-14 09:39:05,237 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-12-14 09:39:05,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-12-14 09:39:06,791 INFO L217 Elim1Store]: Index analysis took 1442 ms [2022-12-14 09:39:09,546 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-12-14 09:39:09,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519780 [2022-12-14 09:39:16,255 WARN L233 SmtUtils]: Spent 6.51s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 09:39:16,256 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 09:39:16,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-12-14 09:39:30,078 WARN L233 SmtUtils]: Spent 13.73s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 09:39:30,078 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 09:39:30,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-12-14 09:39:30,741 INFO L217 Elim1Store]: Index analysis took 493 ms [2022-12-14 09:39:44,608 WARN L233 SmtUtils]: Spent 13.50s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 09:39:44,609 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 09:39:44,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 09:39:45,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:39:45,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:39:45,354 INFO L217 Elim1Store]: Index analysis took 308 ms [2022-12-14 09:39:45,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 101 [2022-12-14 09:39:45,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:45,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:39:45,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 09:39:46,012 INFO L217 Elim1Store]: Index analysis took 408 ms [2022-12-14 09:39:46,904 INFO L321 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2022-12-14 09:39:46,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 118 [2022-12-14 09:39:47,025 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 09:39:47,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 09:39:47,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:47,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:47,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 09:39:47,770 INFO L217 Elim1Store]: Index analysis took 176 ms [2022-12-14 09:39:48,103 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:39:48,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-12-14 09:39:48,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 09:39:48,804 INFO L217 Elim1Store]: Index analysis took 305 ms [2022-12-14 09:39:49,764 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:39:49,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-12-14 09:39:50,290 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:39:51,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:39:51,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-12-14 09:39:53,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:53,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 09:39:53,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:53,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 09:39:55,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:55,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 09:39:56,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:56,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:56,260 INFO L321 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2022-12-14 09:39:56,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 24 [2022-12-14 09:39:56,891 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:39:57,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:57,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 09:42:10,389 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 43070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 09:42:23,916 WARN L233 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 43069 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)