./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:51:37,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:51:37,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:51:37,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:51:37,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:51:37,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:51:37,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:51:37,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:51:37,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:51:37,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:51:37,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:51:37,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:51:37,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:51:37,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:51:37,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:51:37,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:51:37,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:51:37,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:51:37,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:51:37,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:51:37,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:51:37,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:51:37,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:51:37,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:51:37,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:51:37,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:51:37,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:51:37,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:51:37,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:51:37,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:51:37,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:51:37,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:51:37,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:51:37,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:51:37,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:51:37,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:51:37,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:51:37,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:51:37,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:51:37,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:51:37,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:51:37,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 17:51:37,808 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:51:37,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:51:37,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:51:37,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:51:37,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:51:37,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:51:37,811 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:51:37,812 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:51:37,812 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:51:37,812 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:51:37,813 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:51:37,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:51:37,813 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:51:37,814 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:51:37,814 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:51:37,814 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:51:37,815 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:51:37,815 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:51:37,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:51:37,816 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 17:51:37,816 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:51:37,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:51:37,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 17:51:37,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:51:37,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:51:37,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:51:37,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:51:37,817 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 17:51:37,818 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 17:51:37,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:51:37,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:51:37,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:51:37,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:51:37,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:51:37,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:51:37,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:51:37,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:51:37,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:51:37,820 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:51:37,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:51:37,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:51:37,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:51:37,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:51:37,821 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 [2021-11-25 17:51:38,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:51:38,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:51:38,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:51:38,091 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:51:38,093 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:51:38,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2021-11-25 17:51:38,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/data/cfc6f3539/ff5d6371da0c45f5ad16c3632d0b8359/FLAG4e2d544ed [2021-11-25 17:51:38,810 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:51:38,811 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2021-11-25 17:51:38,829 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/data/cfc6f3539/ff5d6371da0c45f5ad16c3632d0b8359/FLAG4e2d544ed [2021-11-25 17:51:39,044 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/data/cfc6f3539/ff5d6371da0c45f5ad16c3632d0b8359 [2021-11-25 17:51:39,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:51:39,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:51:39,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:51:39,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:51:39,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:51:39,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:51:39" (1/1) ... [2021-11-25 17:51:39,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18843658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:39, skipping insertion in model container [2021-11-25 17:51:39,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:51:39" (1/1) ... [2021-11-25 17:51:39,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:51:39,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:51:39,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[33021,33034] [2021-11-25 17:51:39,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44124,44137] [2021-11-25 17:51:39,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44245,44258] [2021-11-25 17:51:39,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:51:39,723 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:51:39,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[33021,33034] [2021-11-25 17:51:39,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44124,44137] [2021-11-25 17:51:39,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44245,44258] [2021-11-25 17:51:39,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:51:39,873 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:51:39,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:39 WrapperNode [2021-11-25 17:51:39,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:51:39,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:51:39,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:51:39,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:51:39,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:39" (1/1) ... [2021-11-25 17:51:39,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:39" (1/1) ... [2021-11-25 17:51:40,048 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-25 17:51:40,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:51:40,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:51:40,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:51:40,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:51:40,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:39" (1/1) ... [2021-11-25 17:51:40,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:39" (1/1) ... [2021-11-25 17:51:40,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:39" (1/1) ... [2021-11-25 17:51:40,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:39" (1/1) ... [2021-11-25 17:51:40,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:39" (1/1) ... [2021-11-25 17:51:40,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:39" (1/1) ... [2021-11-25 17:51:40,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:39" (1/1) ... [2021-11-25 17:51:40,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:51:40,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:51:40,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:51:40,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:51:40,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:39" (1/1) ... [2021-11-25 17:51:40,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:51:40,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:51:40,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:51:40,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:51:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:51:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:51:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 17:51:40,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 17:51:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 17:51:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:51:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 17:51:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:51:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 17:51:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 17:51:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:51:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:51:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:51:40,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:51:40,563 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:51:40,578 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:51:41,683 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:51:42,156 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:51:42,156 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-25 17:51:42,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:42 BoogieIcfgContainer [2021-11-25 17:51:42,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:51:42,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:51:42,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:51:42,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:51:42,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:51:39" (1/3) ... [2021-11-25 17:51:42,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd61061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:51:42, skipping insertion in model container [2021-11-25 17:51:42,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:39" (2/3) ... [2021-11-25 17:51:42,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd61061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:51:42, skipping insertion in model container [2021-11-25 17:51:42,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:42" (3/3) ... [2021-11-25 17:51:42,175 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test7-2.i [2021-11-25 17:51:42,181 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:51:42,181 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-25 17:51:42,242 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:51:42,263 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 17:51:42,263 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-25 17:51:42,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 17:51:42,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 17:51:42,291 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:51:42,291 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 17:51:42,292 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 17:51:42,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:51:42,303 INFO L85 PathProgramCache]: Analyzing trace with hash 28375133, now seen corresponding path program 1 times [2021-11-25 17:51:42,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:51:42,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601591719] [2021-11-25 17:51:42,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:42,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:51:42,461 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:51:42,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2100722200] [2021-11-25 17:51:42,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:42,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:51:42,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:51:42,464 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:51:42,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 17:51:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:51:42,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 17:51:42,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:51:42,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 17:51:42,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 17:51:42,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:42,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 17:51:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:51:42,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:51:42,931 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:51:42,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601591719] [2021-11-25 17:51:42,931 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:51:42,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100722200] [2021-11-25 17:51:42,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100722200] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:51:42,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:51:42,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:51:42,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816102774] [2021-11-25 17:51:42,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:51:42,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:51:42,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:51:42,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:51:42,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:51:42,977 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:51:46,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:51:46,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:51:46,650 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2021-11-25 17:51:46,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:51:46,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-25 17:51:46,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:51:46,669 INFO L225 Difference]: With dead ends: 316 [2021-11-25 17:51:46,669 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 17:51:46,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:51:46,676 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 17:51:46,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 324 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 17:51:46,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 17:51:46,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-25 17:51:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 17:51:46,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-25 17:51:46,726 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-25 17:51:46,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:51:46,727 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-25 17:51:46,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:51:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-25 17:51:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 17:51:46,730 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:51:46,730 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:51:46,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 17:51:46,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 17:51:46,946 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 17:51:46,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:51:46,947 INFO L85 PathProgramCache]: Analyzing trace with hash 637186690, now seen corresponding path program 1 times [2021-11-25 17:51:46,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:51:46,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308088276] [2021-11-25 17:51:46,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:46,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:51:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:51:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:51:47,066 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:51:47,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308088276] [2021-11-25 17:51:47,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308088276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:51:47,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:51:47,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:51:47,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195062952] [2021-11-25 17:51:47,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:51:47,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:51:47,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:51:47,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:51:47,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:51:47,070 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:51:48,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:51:48,407 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-25 17:51:48,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:51:48,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-11-25 17:51:48,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:51:48,412 INFO L225 Difference]: With dead ends: 211 [2021-11-25 17:51:48,412 INFO L226 Difference]: Without dead ends: 159 [2021-11-25 17:51:48,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:51:48,414 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:51:48,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 300 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 17:51:48,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-25 17:51:48,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-25 17:51:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 17:51:48,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-25 17:51:48,428 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-25 17:51:48,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:51:48,429 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-25 17:51:48,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:51:48,429 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-25 17:51:48,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 17:51:48,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:51:48,431 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:51:48,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 17:51:48,431 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 17:51:48,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:51:48,432 INFO L85 PathProgramCache]: Analyzing trace with hash -401054575, now seen corresponding path program 1 times [2021-11-25 17:51:48,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:51:48,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464423812] [2021-11-25 17:51:48,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:48,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:51:48,564 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:51:48,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1206233576] [2021-11-25 17:51:48,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:48,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:51:48,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:51:48,566 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:51:48,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 17:51:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:51:49,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 17:51:49,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:51:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:51:49,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:51:49,389 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:51:49,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464423812] [2021-11-25 17:51:49,389 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:51:49,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206233576] [2021-11-25 17:51:49,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206233576] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:51:49,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:51:49,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:51:49,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142747351] [2021-11-25 17:51:49,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:51:49,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:51:49,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:51:49,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:51:49,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:51:49,396 INFO L87 Difference]: Start difference. First operand 117 states and 135 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) [2021-11-25 17:51:51,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:51:51,180 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-25 17:51:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:51:51,193 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 [2021-11-25 17:51:51,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:51:51,195 INFO L225 Difference]: With dead ends: 277 [2021-11-25 17:51:51,195 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 17:51:51,196 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:51:51,198 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 17:51:51,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 17:51:51,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 17:51:51,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-25 17:51:51,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 17:51:51,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-25 17:51:51,216 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-25 17:51:51,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:51:51,217 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-25 17:51:51,217 INFO L471 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) [2021-11-25 17:51:51,217 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-25 17:51:51,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 17:51:51,219 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:51:51,219 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:51:51,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 17:51:51,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:51:51,446 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 17:51:51,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:51:51,446 INFO L85 PathProgramCache]: Analyzing trace with hash -886306081, now seen corresponding path program 1 times [2021-11-25 17:51:51,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:51:51,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989142145] [2021-11-25 17:51:51,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:51,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:51:51,507 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:51:51,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [251730429] [2021-11-25 17:51:51,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:51,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:51:51,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:51:51,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:51:51,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 17:51:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:51:52,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 17:51:52,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:51:52,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:51:52,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:51:52,555 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:51:52,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989142145] [2021-11-25 17:51:52,555 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:51:52,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251730429] [2021-11-25 17:51:52,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251730429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:51:52,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:51:52,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:51:52,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395044482] [2021-11-25 17:51:52,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:51:52,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:51:52,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:51:52,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:51:52,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:51:52,563 INFO L87 Difference]: Start difference. First operand 162 states and 186 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) [2021-11-25 17:51:54,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:51:54,633 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-25 17:51:54,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:51:54,639 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 [2021-11-25 17:51:54,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:51:54,642 INFO L225 Difference]: With dead ends: 308 [2021-11-25 17:51:54,642 INFO L226 Difference]: Without dead ends: 164 [2021-11-25 17:51:54,643 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:51:54,645 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 17:51:54,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 17:51:54,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-25 17:51:54,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-25 17:51:54,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-25 17:51:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-25 17:51:54,669 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-25 17:51:54,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:51:54,670 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-25 17:51:54,670 INFO L471 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) [2021-11-25 17:51:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-25 17:51:54,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 17:51:54,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:51:54,673 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:51:54,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 17:51:54,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:51:54,894 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 17:51:54,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:51:54,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1426734659, now seen corresponding path program 1 times [2021-11-25 17:51:54,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:51:54,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335352509] [2021-11-25 17:51:54,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:54,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:51:54,961 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:51:54,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [13439790] [2021-11-25 17:51:54,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:54,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:51:54,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:51:54,963 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:51:54,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0035c85f-6e46-41af-b92d-0d9659158c2a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 17:51:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:51:57,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 17:51:57,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:51:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 17:51:57,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 17:51:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 17:51:57,430 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:51:57,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335352509] [2021-11-25 17:51:57,431 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:51:57,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13439790] [2021-11-25 17:51:57,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13439790] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 17:51:57,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [637479257] [2021-11-25 17:51:57,461 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-25 17:51:57,461 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 17:51:57,465 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 17:51:57,471 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 17:51:57,471 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 17:51:57,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:57,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 17:51:57,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 17:51:57,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 17:51:57,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:57,619 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 17:51:57,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-25 17:51:57,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:57,651 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 17:51:57,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 17:51:57,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 17:51:57,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:57,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:57,742 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 17:51:57,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 17:51:57,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 17:51:57,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:57,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:57,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 17:51:57,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:57,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:57,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2021-11-25 17:51:57,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 17:51:57,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 17:51:57,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:57,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:57,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:57,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-25 17:51:58,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2021-11-25 17:51:58,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-25 17:51:58,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 17:51:58,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 17:51:58,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 17:51:58,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 17:51:58,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 17:51:58,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 17:51:58,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 17:51:58,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 17:51:58,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 17:51:58,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 17:51:58,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 17:51:58,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 17:51:58,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 17:51:58,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 17:51:58,774 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 17:51:58,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 58 [2021-11-25 17:51:58,805 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 17:51:58,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2021-11-25 17:51:58,835 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 17:51:58,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 17:51:58,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 17:51:58,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 17:51:58,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 17:51:58,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 17:51:58,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 17:51:58,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:58,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 17:51:59,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 17:51:59,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 17:51:59,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:51:59,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 17:52:07,789 WARN L227 SmtUtils]: Spent 8.45s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 17:52:07,790 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 17:52:07,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 17:52:07,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:17,716 WARN L227 SmtUtils]: Spent 9.81s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 17:52:17,717 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 17:52:17,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 17:52:18,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:18,312 INFO L244 Elim1Store]: Index analysis took 365 ms [2021-11-25 17:52:27,800 WARN L227 SmtUtils]: Spent 9.21s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 17:52:27,801 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 17:52:27,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1542 treesize of output 1373 [2021-11-25 17:52:28,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:28,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:28,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:28,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:28,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:28,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:28,482 INFO L244 Elim1Store]: Index analysis took 224 ms [2021-11-25 17:52:29,527 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 17:52:29,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 17:52:29,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:29,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:29,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:29,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:29,831 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-11-25 17:52:29,843 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 17:52:29,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 17:52:30,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:30,467 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 17:52:30,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 17:52:30,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:30,875 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:52:30,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 17:52:30,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:52:31,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:52:31,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:31,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 17:52:31,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:31,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 17:52:31,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:31,376 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 17:52:31,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 17:52:31,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:31,618 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 17:52:31,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 17:52:31,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:52:31,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:52:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:31,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-11-25 17:52:32,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:52:32,716 INFO L244 Elim1Store]: Index analysis took 211 ms [2021-11-25 17:52:33,964 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:52:33,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 5434 [2021-11-25 17:53:01,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:53:01,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:53:01,637 INFO L244 Elim1Store]: Index analysis took 178 ms [2021-11-25 17:53:04,447 INFO L354 Elim1Store]: treesize reduction 36, result has 98.1 percent of original size [2021-11-25 17:53:04,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4154 treesize of output 5522 [2021-11-25 17:53:12,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:53:12,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:53:12,189 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:53:12,324 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:53:12,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:53:12,498 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:53:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:53:15,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:53:15,705 INFO L244 Elim1Store]: Index analysis took 123 ms [2021-11-25 17:53:15,901 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-25 17:53:15,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 4054 treesize of output 3592 [2021-11-25 17:53:37,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:53:37,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:53:37,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:53:37,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:53:37,881 INFO L244 Elim1Store]: Index analysis took 190 ms [2021-11-25 17:53:42,915 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 17:53:42,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 858945 treesize of output 852011 [2021-11-25 17:54:29,722 WARN L227 SmtUtils]: Spent 8.25s on a formula simplification. DAG size of input: 1057 DAG size of output: 1052 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)