./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P --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 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:47:35,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:47:35,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:47:35,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:47:35,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:47:35,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:47:35,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:47:35,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:47:35,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:47:35,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:47:35,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:47:35,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:47:35,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:47:35,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:47:35,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:47:35,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:47:35,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:47:35,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:47:35,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:47:35,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:47:35,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:47:35,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:47:35,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:47:35,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:47:35,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:47:35,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:47:35,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:47:35,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:47:35,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:47:35,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:47:35,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:47:35,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:47:35,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:47:35,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:47:35,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:47:35,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:47:35,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:47:35,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:47:35,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:47:35,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:47:35,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:47:35,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:47:35,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:47:35,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:47:35,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:47:35,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:47:35,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:47:35,798 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:47:35,798 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:47:35,798 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:47:35,799 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:47:35,799 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:47:35,799 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:47:35,799 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:47:35,800 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:47:35,800 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:47:35,800 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:47:35,800 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:47:35,800 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:47:35,801 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:47:35,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:47:35,802 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:47:35,802 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:47:35,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:47:35,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:47:35,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:47:35,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:47:35,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:47:35,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:47:35,804 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:47:35,804 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:47:35,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:47:35,804 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:47:35,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:47:35,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:47:35,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:47:35,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:47:35,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:47:35,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:47:35,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:47:35,806 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:47:35,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:47:35,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:47:35,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:47:35,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:47:35,807 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_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 [2021-11-21 01:47:36,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:47:36,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:47:36,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:47:36,153 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:47:36,154 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:47:36,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2021-11-21 01:47:36,236 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/data/5d8ea6853/b3d4137bcb244e56814ba7843b968bb3/FLAG74728e2ea [2021-11-21 01:47:36,835 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:47:36,836 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2021-11-21 01:47:36,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/data/5d8ea6853/b3d4137bcb244e56814ba7843b968bb3/FLAG74728e2ea [2021-11-21 01:47:37,079 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/data/5d8ea6853/b3d4137bcb244e56814ba7843b968bb3 [2021-11-21 01:47:37,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:47:37,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:47:37,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:47:37,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:47:37,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:47:37,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:47:37" (1/1) ... [2021-11-21 01:47:37,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cfc287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:47:37, skipping insertion in model container [2021-11-21 01:47:37,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:47:37" (1/1) ... [2021-11-21 01:47:37,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:47:37,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:47:37,591 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_bbba18c3-f857-4abc-8da1-a430b95bf595/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[37019,37032] [2021-11-21 01:47:37,675 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_bbba18c3-f857-4abc-8da1-a430b95bf595/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[47352,47365] [2021-11-21 01:47:37,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:47:37,698 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:47:37,743 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_bbba18c3-f857-4abc-8da1-a430b95bf595/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[37019,37032] [2021-11-21 01:47:37,829 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_bbba18c3-f857-4abc-8da1-a430b95bf595/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[47352,47365] [2021-11-21 01:47:37,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:47:37,922 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:47:37,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:47:37 WrapperNode [2021-11-21 01:47:37,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:47:37,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:47:37,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:47:37,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:47:37,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:47:37" (1/1) ... [2021-11-21 01:47:37,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:47:37" (1/1) ... [2021-11-21 01:47:38,088 INFO L137 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1047 [2021-11-21 01:47:38,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:47:38,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:47:38,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:47:38,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:47:38,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:47:37" (1/1) ... [2021-11-21 01:47:38,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:47:37" (1/1) ... [2021-11-21 01:47:38,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:47:37" (1/1) ... [2021-11-21 01:47:38,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:47:37" (1/1) ... [2021-11-21 01:47:38,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:47:37" (1/1) ... [2021-11-21 01:47:38,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:47:37" (1/1) ... [2021-11-21 01:47:38,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:47:37" (1/1) ... [2021-11-21 01:47:38,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:47:38,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:47:38,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:47:38,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:47:38,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:47:37" (1/1) ... [2021-11-21 01:47:38,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:47:38,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:47:38,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:47:38,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:47:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:47:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:47:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:47:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:47:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:47:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:47:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:47:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:47:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:47:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:47:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:47:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:47:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:47:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:47:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:47:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:47:38,527 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:47:38,529 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:47:39,678 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:47:40,011 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:47:40,011 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 01:47:40,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:47:40 BoogieIcfgContainer [2021-11-21 01:47:40,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:47:40,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:47:40,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:47:40,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:47:40,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:47:37" (1/3) ... [2021-11-21 01:47:40,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406e08d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:47:40, skipping insertion in model container [2021-11-21 01:47:40,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:47:37" (2/3) ... [2021-11-21 01:47:40,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406e08d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:47:40, skipping insertion in model container [2021-11-21 01:47:40,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:47:40" (3/3) ... [2021-11-21 01:47:40,048 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test2-2.i [2021-11-21 01:47:40,054 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:47:40,055 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-21 01:47:40,114 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:47:40,125 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 [2021-11-21 01:47:40,126 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-21 01:47:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:47:40,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 01:47:40,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:47:40,155 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 01:47:40,155 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:47:40,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:47:40,165 INFO L85 PathProgramCache]: Analyzing trace with hash 26703551, now seen corresponding path program 1 times [2021-11-21 01:47:40,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:47:40,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701606160] [2021-11-21 01:47:40,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:40,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:47:40,311 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:47:40,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [378957455] [2021-11-21 01:47:40,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:40,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:40,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:47:40,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:47:40,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:47:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:40,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:47:40,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:40,599 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 [2021-11-21 01:47:40,617 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 [2021-11-21 01:47:40,667 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 25 treesize of output 17 [2021-11-21 01:47:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:47:40,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:47:40,677 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:40,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701606160] [2021-11-21 01:47:40,678 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:40,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378957455] [2021-11-21 01:47:40,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378957455] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:47:40,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:47:40,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:47:40,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773811523] [2021-11-21 01:47:40,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:47:40,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:47:40,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:47:40,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:47:40,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:47:40,716 INFO L87 Difference]: Start difference. First operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) 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) [2021-11-21 01:47:43,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:47:43,396 INFO L93 Difference]: Finished difference Result 339 states and 578 transitions. [2021-11-21 01:47:43,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:47:43,403 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 [2021-11-21 01:47:43,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:47:43,415 INFO L225 Difference]: With dead ends: 339 [2021-11-21 01:47:43,415 INFO L226 Difference]: Without dead ends: 187 [2021-11-21 01:47:43,419 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 [2021-11-21 01:47:43,423 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 78 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:47:43,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 364 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 01:47:43,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-21 01:47:43,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 121. [2021-11-21 01:47:43,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2718446601941749) internal successors, (131), 115 states have internal predecessors, (131), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:47:43,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2021-11-21 01:47:43,476 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 4 [2021-11-21 01:47:43,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:47:43,477 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2021-11-21 01:47:43,477 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) [2021-11-21 01:47:43,477 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2021-11-21 01:47:43,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 01:47:43,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:47:43,479 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] [2021-11-21 01:47:43,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:47:43,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:47:43,704 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:47:43,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:47:43,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1477708027, now seen corresponding path program 1 times [2021-11-21 01:47:43,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:47:43,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365815165] [2021-11-21 01:47:43,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:43,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:47:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:47:43,787 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:43,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365815165] [2021-11-21 01:47:43,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365815165] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:47:43,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:47:43,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:47:43,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253063397] [2021-11-21 01:47:43,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:47:43,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:47:43,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:47:43,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:47:43,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:47:43,790 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:47:45,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:47:45,664 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2021-11-21 01:47:45,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:47:45,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-21 01:47:45,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:47:45,677 INFO L225 Difference]: With dead ends: 230 [2021-11-21 01:47:45,677 INFO L226 Difference]: Without dead ends: 174 [2021-11-21 01:47:45,678 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 [2021-11-21 01:47:45,679 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 61 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:47:45,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 343 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 01:47:45,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-21 01:47:45,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 121. [2021-11-21 01:47:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 115 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:47:45,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions. [2021-11-21 01:47:45,694 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 20 [2021-11-21 01:47:45,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:47:45,695 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions. [2021-11-21 01:47:45,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:47:45,695 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2021-11-21 01:47:45,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 01:47:45,697 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:47:45,697 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] [2021-11-21 01:47:45,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:47:45,697 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:47:45,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:47:45,698 INFO L85 PathProgramCache]: Analyzing trace with hash -420511850, now seen corresponding path program 1 times [2021-11-21 01:47:45,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:47:45,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042593944] [2021-11-21 01:47:45,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:45,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:47:45,720 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:47:45,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44553656] [2021-11-21 01:47:45,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:45,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:45,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:47:45,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:47:45,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:47:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:45,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:47:45,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:47:46,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:47:46,058 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:46,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042593944] [2021-11-21 01:47:46,058 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:46,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44553656] [2021-11-21 01:47:46,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44553656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:47:46,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:47:46,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:47:46,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783657325] [2021-11-21 01:47:46,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:47:46,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:47:46,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:47:46,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:47:46,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:47:46,061 INFO L87 Difference]: Start difference. First operand 121 states and 146 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) [2021-11-21 01:47:47,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:47:47,099 INFO L93 Difference]: Finished difference Result 288 states and 352 transitions. [2021-11-21 01:47:47,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:47:47,106 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 [2021-11-21 01:47:47,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:47:47,109 INFO L225 Difference]: With dead ends: 288 [2021-11-21 01:47:47,109 INFO L226 Difference]: Without dead ends: 172 [2021-11-21 01:47:47,110 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 [2021-11-21 01:47:47,112 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:47:47,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 01:47:47,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-21 01:47:47,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2021-11-21 01:47:47,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 162 states have internal predecessors, (183), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 01:47:47,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2021-11-21 01:47:47,130 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 28 [2021-11-21 01:47:47,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:47:47,130 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2021-11-21 01:47:47,131 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) [2021-11-21 01:47:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2021-11-21 01:47:47,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 01:47:47,132 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:47:47,132 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] [2021-11-21 01:47:47,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:47:47,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:47,344 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:47:47,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:47:47,345 INFO L85 PathProgramCache]: Analyzing trace with hash 2075442148, now seen corresponding path program 1 times [2021-11-21 01:47:47,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:47:47,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190332814] [2021-11-21 01:47:47,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:47,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:47:47,398 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:47:47,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [507241728] [2021-11-21 01:47:47,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:47,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:47,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:47:47,408 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:47:47,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:47:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:47,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:47:47,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:47:47,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:47:47,949 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:47,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190332814] [2021-11-21 01:47:47,950 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:47,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507241728] [2021-11-21 01:47:47,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507241728] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:47:47,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:47:47,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:47:47,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154394899] [2021-11-21 01:47:47,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:47:47,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:47:47,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:47:47,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:47:47,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:47:47,957 INFO L87 Difference]: Start difference. First operand 168 states and 209 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:47:48,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:47:48,919 INFO L93 Difference]: Finished difference Result 320 states and 404 transitions. [2021-11-21 01:47:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:47:48,923 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-11-21 01:47:48,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:47:48,925 INFO L225 Difference]: With dead ends: 320 [2021-11-21 01:47:48,925 INFO L226 Difference]: Without dead ends: 170 [2021-11-21 01:47:48,926 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 [2021-11-21 01:47:48,927 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:47:48,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 374 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-21 01:47:48,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-21 01:47:48,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-11-21 01:47:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 164 states have internal predecessors, (185), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2021-11-21 01:47:48,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 212 transitions. [2021-11-21 01:47:48,946 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 212 transitions. Word has length 41 [2021-11-21 01:47:48,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:47:48,946 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 212 transitions. [2021-11-21 01:47:48,947 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:47:48,947 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2021-11-21 01:47:48,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 01:47:48,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:47:48,949 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] [2021-11-21 01:47:48,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:47:49,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:49,176 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:47:49,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:47:49,176 INFO L85 PathProgramCache]: Analyzing trace with hash 185503546, now seen corresponding path program 1 times [2021-11-21 01:47:49,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:47:49,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506666909] [2021-11-21 01:47:49,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:49,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:47:49,195 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:47:49,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032870274] [2021-11-21 01:47:49,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:49,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:49,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:47:49,197 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:47:49,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbba18c3-f857-4abc-8da1-a430b95bf595/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:47:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:49,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 01:47:49,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:47:49,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:47:49,957 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:47:49,957 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:49,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506666909] [2021-11-21 01:47:49,957 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:49,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032870274] [2021-11-21 01:47:49,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032870274] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:47:49,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [300358947] [2021-11-21 01:47:49,992 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 01:47:49,992 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:47:49,996 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:47:50,001 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:47:50,003 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:47:50,103 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 15 treesize of output 1 [2021-11-21 01:47:50,110 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 15 treesize of output 1 [2021-11-21 01:47:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,131 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 01:47:50,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-21 01:47:50,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 01:47:50,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,191 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:47:50,191 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 [2021-11-21 01:47:50,326 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 [2021-11-21 01:47:50,354 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 [2021-11-21 01:47:50,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,396 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 01:47:50,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:47:50,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2021-11-21 01:47:50,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,489 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:47:50,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-21 01:47:50,715 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 19 treesize of output 1 [2021-11-21 01:47:50,761 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 19 treesize of output 1 [2021-11-21 01:47:50,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:50,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 01:47:52,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,035 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 29 treesize of output 19 [2021-11-21 01:47:52,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-21 01:47:52,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 01:47:52,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,163 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 29 treesize of output 19 [2021-11-21 01:47:52,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-21 01:47:52,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-21 01:47:52,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-21 01:47:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:47:52,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,588 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:47:52,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 75 treesize of output 77 [2021-11-21 01:47:52,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 01:47:52,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,791 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 01:47:52,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-21 01:47:52,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:52,857 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:47:52,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-21 01:47:53,447 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 [2021-11-21 01:47:53,453 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 [2021-11-21 01:47:53,459 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 [2021-11-21 01:47:53,514 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:47:53,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 01:47:53,540 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:47:53,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 01:47:53,565 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:47:53,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 01:47:53,666 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 [2021-11-21 01:47:53,676 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 [2021-11-21 01:47:53,684 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 [2021-11-21 01:47:53,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 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 [2021-11-21 01:47:53,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:47:53,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:53,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 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 [2021-11-21 01:47:54,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:47:54,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 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 [2021-11-21 01:47:54,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:54,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 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 [2021-11-21 01:47:59,009 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:47:59,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 01:47:59,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:09,385 WARN L227 SmtUtils]: Spent 10.34s 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) [2021-11-21 01:48:09,386 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:48:09,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 01:48:20,893 WARN L227 SmtUtils]: Spent 11.39s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:48:20,894 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:48:20,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-21 01:48:21,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:21,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:21,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:22,900 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 01:48:22,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25950 treesize of output 25981 [2021-11-21 01:48:23,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:23,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:23,580 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:48:23,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25960 treesize of output 25974 [2021-11-21 01:48:25,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:25,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:25,896 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:48:25,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-21 01:48:26,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:26,577 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:48:26,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 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 [2021-11-21 01:48:27,374 INFO L244 Elim1Store]: Index analysis took 293 ms [2021-11-21 01:48:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:30,078 INFO L354 Elim1Store]: treesize reduction 366, result has 80.1 percent of original size [2021-11-21 01:48:30,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2305 treesize of output 3327 [2021-11-21 01:48:37,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:37,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:37,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:37,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:37,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:37,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:37,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:37,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:37,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:37,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:37,244 INFO L244 Elim1Store]: Index analysis took 170 ms [2021-11-21 01:48:37,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1879 treesize of output 1425 [2021-11-21 01:48:38,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:38,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 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 [2021-11-21 01:48:39,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:39,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:39,789 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-21 01:48:39,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-21 01:48:43,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:43,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:43,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:43,840 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-21 01:48:43,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1708 treesize of output 1722 [2021-11-21 01:48:53,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:53,850 INFO L190 IndexEqualityManager]: detected not equals via solver