./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array14_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array14_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:03:04,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:03:04,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:03:04,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:03:04,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:03:04,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:03:04,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:03:04,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:03:04,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:03:04,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:03:04,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:03:04,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:03:04,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:03:04,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:03:04,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:03:04,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:03:04,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:03:04,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:03:04,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:03:04,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:03:04,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:03:04,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:03:04,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:03:04,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:03:04,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:03:04,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:03:04,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:03:04,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:03:04,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:03:04,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:03:04,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:03:04,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:03:04,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:03:04,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:03:04,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:03:04,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:03:04,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:03:04,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:03:04,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:03:04,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:03:04,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:03:04,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:03:04,788 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:03:04,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:03:04,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:03:04,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:03:04,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:03:04,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:03:04,791 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:03:04,792 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:03:04,792 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:03:04,792 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:03:04,793 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:03:04,793 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:03:04,794 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:03:04,794 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:03:04,794 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:03:04,795 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:03:04,795 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:03:04,795 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:03:04,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:03:04,797 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:03:04,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:03:04,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:03:04,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:03:04,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:03:04,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:03:04,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:03:04,799 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:03:04,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:03:04,800 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:03:04,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:03:04,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:03:04,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:03:04,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:03:04,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:03:04,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:03:04,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:03:04,802 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:03:04,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:03:04,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:03:04,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:03:04,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:03:04,804 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_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 [2021-11-25 20:03:05,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:03:05,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:03:05,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:03:05,167 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:03:05,168 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:03:05,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/array-patterns/array14_pattern.c [2021-11-25 20:03:05,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/data/68f166b4d/d7a492cf08c6482c9d779935d5963fa8/FLAGa392f5fa6 [2021-11-25 20:03:05,882 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:03:05,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/sv-benchmarks/c/array-patterns/array14_pattern.c [2021-11-25 20:03:05,901 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/data/68f166b4d/d7a492cf08c6482c9d779935d5963fa8/FLAGa392f5fa6 [2021-11-25 20:03:06,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/data/68f166b4d/d7a492cf08c6482c9d779935d5963fa8 [2021-11-25 20:03:06,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:03:06,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:03:06,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:03:06,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:03:06,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:03:06,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:03:06" (1/1) ... [2021-11-25 20:03:06,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d3d891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:06, skipping insertion in model container [2021-11-25 20:03:06,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:03:06" (1/1) ... [2021-11-25 20:03:06,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:03:06,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:03:06,465 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_38dbbba6-c118-40d4-a674-d97bd7484b17/sv-benchmarks/c/array-patterns/array14_pattern.c[1285,1298] [2021-11-25 20:03:06,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:03:06,498 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:03:06,514 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_38dbbba6-c118-40d4-a674-d97bd7484b17/sv-benchmarks/c/array-patterns/array14_pattern.c[1285,1298] [2021-11-25 20:03:06,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:03:06,547 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:03:06,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:06 WrapperNode [2021-11-25 20:03:06,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:03:06,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:03:06,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:03:06,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:03:06,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:06" (1/1) ... [2021-11-25 20:03:06,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:06" (1/1) ... [2021-11-25 20:03:06,600 INFO L137 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2021-11-25 20:03:06,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:03:06,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:03:06,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:03:06,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:03:06,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:06" (1/1) ... [2021-11-25 20:03:06,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:06" (1/1) ... [2021-11-25 20:03:06,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:06" (1/1) ... [2021-11-25 20:03:06,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:06" (1/1) ... [2021-11-25 20:03:06,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:06" (1/1) ... [2021-11-25 20:03:06,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:06" (1/1) ... [2021-11-25 20:03:06,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:06" (1/1) ... [2021-11-25 20:03:06,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:03:06,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:03:06,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:03:06,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:03:06,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:06" (1/1) ... [2021-11-25 20:03:06,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:03:06,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:03:06,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:03:06,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:03:06,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:03:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 20:03:06,757 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 20:03:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:03:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:03:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:03:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:03:06,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:03:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:03:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:03:06,841 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:03:06,843 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:03:07,048 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:03:07,113 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:03:07,114 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-25 20:03:07,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:03:07 BoogieIcfgContainer [2021-11-25 20:03:07,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:03:07,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:03:07,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:03:07,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:03:07,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:03:06" (1/3) ... [2021-11-25 20:03:07,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abdbcdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:03:07, skipping insertion in model container [2021-11-25 20:03:07,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:06" (2/3) ... [2021-11-25 20:03:07,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abdbcdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:03:07, skipping insertion in model container [2021-11-25 20:03:07,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:03:07" (3/3) ... [2021-11-25 20:03:07,132 INFO L111 eAbstractionObserver]: Analyzing ICFG array14_pattern.c [2021-11-25 20:03:07,138 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:03:07,139 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:03:07,241 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:03:07,265 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:03:07,265 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:03:07,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:03:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 20:03:07,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:03:07,294 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:03:07,295 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:03:07,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:03:07,302 INFO L85 PathProgramCache]: Analyzing trace with hash -631885513, now seen corresponding path program 1 times [2021-11-25 20:03:07,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:03:07,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077820837] [2021-11-25 20:03:07,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:03:07,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:03:07,423 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:03:07,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [645715506] [2021-11-25 20:03:07,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:03:07,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:03:07,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:03:07,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:03:07,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:03:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:03:07,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 20:03:07,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:03:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:03:07,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:03:07,658 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:03:07,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077820837] [2021-11-25 20:03:07,660 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:03:07,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645715506] [2021-11-25 20:03:07,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645715506] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:03:07,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:03:07,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:03:07,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234460014] [2021-11-25 20:03:07,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:03:07,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 20:03:07,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:03:07,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 20:03:07,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 20:03:07,725 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:03:07,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:03:07,802 INFO L93 Difference]: Finished difference Result 28 states and 38 transitions. [2021-11-25 20:03:07,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 20:03:07,806 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-11-25 20:03:07,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:03:07,820 INFO L225 Difference]: With dead ends: 28 [2021-11-25 20:03:07,821 INFO L226 Difference]: Without dead ends: 18 [2021-11-25 20:03:07,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 20:03:07,838 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:03:07,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 20:03:07,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-25 20:03:07,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-25 20:03:07,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:03:07,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-11-25 20:03:07,931 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 11 [2021-11-25 20:03:07,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:03:07,933 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-11-25 20:03:07,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:03:07,934 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-11-25 20:03:07,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 20:03:07,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:03:07,936 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:03:07,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:03:08,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:03:08,137 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:03:08,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:03:08,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1451080673, now seen corresponding path program 1 times [2021-11-25 20:03:08,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:03:08,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229878193] [2021-11-25 20:03:08,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:03:08,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:03:08,200 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:03:08,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032362645] [2021-11-25 20:03:08,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:03:08,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:03:08,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:03:08,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:03:08,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:03:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:03:08,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:03:08,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:03:08,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:03:08,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:03:08,539 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:03:08,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229878193] [2021-11-25 20:03:08,540 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:03:08,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032362645] [2021-11-25 20:03:08,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032362645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:03:08,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:03:08,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:03:08,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875987463] [2021-11-25 20:03:08,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:03:08,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:03:08,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:03:08,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:03:08,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:03:08,546 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 20:03:08,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:03:08,646 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2021-11-25 20:03:08,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:03:08,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2021-11-25 20:03:08,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:03:08,649 INFO L225 Difference]: With dead ends: 37 [2021-11-25 20:03:08,649 INFO L226 Difference]: Without dead ends: 24 [2021-11-25 20:03:08,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:03:08,652 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 27 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:03:08,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 21 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:03:08,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-25 20:03:08,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2021-11-25 20:03:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:03:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-11-25 20:03:08,664 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 19 [2021-11-25 20:03:08,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:03:08,664 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-25 20:03:08,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 20:03:08,665 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-25 20:03:08,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 20:03:08,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:03:08,667 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:03:08,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:03:08,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-25 20:03:08,882 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:03:08,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:03:08,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1531304689, now seen corresponding path program 1 times [2021-11-25 20:03:08,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:03:08,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917515844] [2021-11-25 20:03:08,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:03:08,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:03:08,905 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:03:08,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976802020] [2021-11-25 20:03:08,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:03:08,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:03:08,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:03:08,910 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:03:08,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:03:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:03:09,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 20:03:09,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:03:09,127 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:03:09,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:03:09,128 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:03:09,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917515844] [2021-11-25 20:03:09,129 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:03:09,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976802020] [2021-11-25 20:03:09,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976802020] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:03:09,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:03:09,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:03:09,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64504952] [2021-11-25 20:03:09,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:03:09,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:03:09,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:03:09,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:03:09,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:03:09,133 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 20:03:09,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:03:09,189 INFO L93 Difference]: Finished difference Result 40 states and 52 transitions. [2021-11-25 20:03:09,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:03:09,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-11-25 20:03:09,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:03:09,191 INFO L225 Difference]: With dead ends: 40 [2021-11-25 20:03:09,191 INFO L226 Difference]: Without dead ends: 24 [2021-11-25 20:03:09,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:03:09,193 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 12 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:03:09,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 29 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 20:03:09,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-25 20:03:09,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-11-25 20:03:09,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:03:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2021-11-25 20:03:09,203 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 23 [2021-11-25 20:03:09,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:03:09,204 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-11-25 20:03:09,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 20:03:09,204 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-11-25 20:03:09,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 20:03:09,206 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:03:09,206 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:03:09,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:03:09,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:03:09,433 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:03:09,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:03:09,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1194405274, now seen corresponding path program 1 times [2021-11-25 20:03:09,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:03:09,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465984941] [2021-11-25 20:03:09,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:03:09,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:03:09,452 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:03:09,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868749514] [2021-11-25 20:03:09,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:03:09,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:03:09,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:03:09,455 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:03:09,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:03:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:03:09,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 20:03:09,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:03:09,825 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 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 20:03:09,839 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 8 treesize of output 7 [2021-11-25 20:03:09,855 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 8 treesize of output 7 [2021-11-25 20:03:10,795 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 0 case distinctions, treesize of input 621 treesize of output 586 [2021-11-25 20:03:14,735 INFO L354 Elim1Store]: treesize reduction 8502, result has 8.2 percent of original size [2021-11-25 20:03:14,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 8 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 104 case distinctions, treesize of input 597 treesize of output 1209 [2021-11-25 20:03:15,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 213 treesize of output 114 [2021-11-25 20:03:15,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 215 treesize of output 115 [2021-11-25 20:03:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 325 treesize of output 174 [2021-11-25 20:03:15,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 429 treesize of output 228 [2021-11-25 20:03:15,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:03:15,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 141 [2021-11-25 20:03:15,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 294 treesize of output 143 [2021-11-25 20:03:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:15,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 193 treesize of output 95 [2021-11-25 20:03:16,109 INFO L354 Elim1Store]: treesize reduction 20, result has 13.0 percent of original size [2021-11-25 20:03:16,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 26 [2021-11-25 20:03:16,222 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:03:16,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:04:08,925 WARN L227 SmtUtils]: Spent 11.96s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 20:04:27,821 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:04:27,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465984941] [2021-11-25 20:04:27,822 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:04:27,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868749514] [2021-11-25 20:04:27,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868749514] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:04:27,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2025614751] [2021-11-25 20:04:27,845 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2021-11-25 20:04:27,845 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:04:27,851 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:04:27,858 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:04:27,858 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:04:27,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:28,014 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:04:28,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 20:04:28,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:28,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-25 20:04:28,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:28,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 51 [2021-11-25 20:04:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:28,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:28,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:28,280 INFO L354 Elim1Store]: treesize reduction 106, result has 6.2 percent of original size [2021-11-25 20:04:28,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 352 treesize of output 349 [2021-11-25 20:04:28,384 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 34 treesize of output 30 [2021-11-25 20:04:28,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:28,553 INFO L354 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2021-11-25 20:04:28,554 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 1 case distinctions, treesize of input 185 treesize of output 187 [2021-11-25 20:04:28,603 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 34 treesize of output 30 [2021-11-25 20:04:28,642 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 34 treesize of output 30 [2021-11-25 20:04:28,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:28,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 20:04:28,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2021-11-25 20:04:28,890 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 0 case distinctions, treesize of input 148 treesize of output 92 [2021-11-25 20:04:29,206 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 34 treesize of output 30 [2021-11-25 20:04:29,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:29,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 20:04:29,281 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 34 treesize of output 30 [2021-11-25 20:04:29,294 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 20:04:29,297 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:04:31,458 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '563#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (= (ite (and (<= 0 |ULTIMATE.start_main_~sum~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~temp~0#1|) (<= |ULTIMATE.start_main_~temp~0#1| 0) (= |#NULL.base| 0))' at error location [2021-11-25 20:04:31,458 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:04:31,458 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:04:31,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-11-25 20:04:31,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802650154] [2021-11-25 20:04:31,459 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-25 20:04:31,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 20:04:31,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:04:31,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 20:04:31,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1174, Unknown=0, NotChecked=0, Total=1332 [2021-11-25 20:04:31,463 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand has 15 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:04:31,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:04:31,681 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2021-11-25 20:04:31,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 20:04:31,685 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 25 [2021-11-25 20:04:31,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:04:31,687 INFO L225 Difference]: With dead ends: 49 [2021-11-25 20:04:31,688 INFO L226 Difference]: Without dead ends: 46 [2021-11-25 20:04:31,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 22.0s TimeCoverageRelationStatistics Valid=181, Invalid=1379, Unknown=0, NotChecked=0, Total=1560 [2021-11-25 20:04:31,690 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 11 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:04:31,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 98 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 0 Unknown, 61 Unchecked, 0.1s Time] [2021-11-25 20:04:31,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-25 20:04:31,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 38. [2021-11-25 20:04:31,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 states have internal predecessors, (38), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-25 20:04:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2021-11-25 20:04:31,704 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 48 transitions. Word has length 25 [2021-11-25 20:04:31,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:04:31,705 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-11-25 20:04:31,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:04:31,705 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2021-11-25 20:04:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 20:04:31,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:04:31,706 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:04:31,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-25 20:04:31,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:04:31,907 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:04:31,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:04:31,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1641667260, now seen corresponding path program 2 times [2021-11-25 20:04:31,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:04:31,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142291612] [2021-11-25 20:04:31,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:04:31,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:04:31,938 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:04:31,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [144412115] [2021-11-25 20:04:31,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 20:04:31,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:04:31,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:04:31,940 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:04:31,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 20:04:32,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-25 20:04:32,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 20:04:32,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 20:04:32,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:04:32,137 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 20:04:32,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:04:32,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 20:04:32,230 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:04:32,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142291612] [2021-11-25 20:04:32,231 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:04:32,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144412115] [2021-11-25 20:04:32,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144412115] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:04:32,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1478519354] [2021-11-25 20:04:32,237 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2021-11-25 20:04:32,238 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:04:32,238 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:04:32,239 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:04:32,239 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:04:32,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:32,367 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-25 20:04:32,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 68 [2021-11-25 20:04:32,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:32,482 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:04:32,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 20:04:32,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:32,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 51 [2021-11-25 20:04:32,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:32,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:32,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:32,732 INFO L354 Elim1Store]: treesize reduction 106, result has 6.2 percent of original size [2021-11-25 20:04:32,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 352 treesize of output 349 [2021-11-25 20:04:32,807 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 34 treesize of output 30 [2021-11-25 20:04:32,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:32,954 INFO L354 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2021-11-25 20:04:32,955 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 1 case distinctions, treesize of input 185 treesize of output 187 [2021-11-25 20:04:33,010 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 34 treesize of output 30 [2021-11-25 20:04:33,044 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 34 treesize of output 30 [2021-11-25 20:04:33,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:33,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 20:04:33,128 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 34 treesize of output 30 [2021-11-25 20:04:33,279 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 0 case distinctions, treesize of input 148 treesize of output 92 [2021-11-25 20:04:33,598 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 34 treesize of output 30 [2021-11-25 20:04:33,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:33,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 20:04:33,688 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 34 treesize of output 30 [2021-11-25 20:04:33,706 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 20:04:33,708 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:04:34,896 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '884#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (= (ite (and (<= 0 |ULTIMATE.start_main_~sum~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 20:04:34,897 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:04:34,897 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:04:34,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-11-25 20:04:34,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362117531] [2021-11-25 20:04:34,897 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:04:34,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 20:04:34,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:04:34,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 20:04:34,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=594, Unknown=0, NotChecked=0, Total=702 [2021-11-25 20:04:34,900 INFO L87 Difference]: Start difference. First operand 38 states and 48 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 20:04:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:04:35,181 INFO L93 Difference]: Finished difference Result 64 states and 84 transitions. [2021-11-25 20:04:35,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 20:04:35,183 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2021-11-25 20:04:35,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:04:35,184 INFO L225 Difference]: With dead ends: 64 [2021-11-25 20:04:35,185 INFO L226 Difference]: Without dead ends: 49 [2021-11-25 20:04:35,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=143, Invalid=787, Unknown=0, NotChecked=0, Total=930 [2021-11-25 20:04:35,187 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 13 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:04:35,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 76 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:04:35,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-25 20:04:35,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2021-11-25 20:04:35,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-25 20:04:35,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 55 transitions. [2021-11-25 20:04:35,201 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 55 transitions. Word has length 26 [2021-11-25 20:04:35,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:04:35,202 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 55 transitions. [2021-11-25 20:04:35,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 20:04:35,202 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2021-11-25 20:04:35,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 20:04:35,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:04:35,204 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:04:35,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 20:04:35,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:04:35,421 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:04:35,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:04:35,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1135356827, now seen corresponding path program 3 times [2021-11-25 20:04:35,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:04:35,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073486074] [2021-11-25 20:04:35,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:04:35,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:04:35,461 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:04:35,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1976567748] [2021-11-25 20:04:35,473 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 20:04:35,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:04:35,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:04:35,479 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:04:35,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 20:04:35,559 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 20:04:35,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 20:04:35,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 20:04:35,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:04:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 20:04:35,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:04:35,788 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 20:04:35,788 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:04:35,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073486074] [2021-11-25 20:04:35,789 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:04:35,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976567748] [2021-11-25 20:04:35,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976567748] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:04:35,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [501006028] [2021-11-25 20:04:35,795 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2021-11-25 20:04:35,795 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:04:35,796 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:04:35,797 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:04:35,798 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:04:35,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:35,884 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:04:35,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 20:04:35,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:35,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-25 20:04:35,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:35,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 47 [2021-11-25 20:04:36,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:36,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:04:36,217 INFO L354 Elim1Store]: treesize reduction 191, result has 17.3 percent of original size [2021-11-25 20:04:36,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 351 treesize of output 354 [2021-11-25 20:04:36,305 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 34 treesize of output 30 [2021-11-25 20:04:36,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:36,482 INFO L354 Elim1Store]: treesize reduction 71, result has 9.0 percent of original size [2021-11-25 20:04:36,482 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 1 case distinctions, treesize of input 192 treesize of output 194 [2021-11-25 20:04:36,551 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 34 treesize of output 30 [2021-11-25 20:04:36,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-25 20:04:36,654 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 20:04:36,655 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 103 treesize of output 108 [2021-11-25 20:04:36,706 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 34 treesize of output 30 [2021-11-25 20:04:36,854 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 0 case distinctions, treesize of input 148 treesize of output 92 [2021-11-25 20:04:37,142 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 34 treesize of output 30 [2021-11-25 20:04:37,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:37,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 20:04:37,220 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 34 treesize of output 30 [2021-11-25 20:04:37,236 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 20:04:37,240 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:04:38,555 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1257#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (= (ite (and (<= 0 |ULTIMATE.start_main_~sum~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~temp~0#1|) (<= |ULTIMATE.start_main_~temp~0#1| 0) (= |#NULL.base| 0))' at error location [2021-11-25 20:04:38,555 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:04:38,555 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:04:38,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-11-25 20:04:38,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167203910] [2021-11-25 20:04:38,556 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:04:38,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 20:04:38,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:04:38,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 20:04:38,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2021-11-25 20:04:38,558 INFO L87 Difference]: Start difference. First operand 43 states and 55 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 20:04:38,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:04:38,791 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2021-11-25 20:04:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 20:04:38,792 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 28 [2021-11-25 20:04:38,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:04:38,793 INFO L225 Difference]: With dead ends: 66 [2021-11-25 20:04:38,793 INFO L226 Difference]: Without dead ends: 63 [2021-11-25 20:04:38,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2021-11-25 20:04:38,795 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 28 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:04:38,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 67 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:04:38,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-11-25 20:04:38,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 50. [2021-11-25 20:04:38,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-25 20:04:38,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2021-11-25 20:04:38,809 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 28 [2021-11-25 20:04:38,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:04:38,810 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2021-11-25 20:04:38,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 20:04:38,810 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2021-11-25 20:04:38,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 20:04:38,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:04:38,812 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:04:38,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-25 20:04:39,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-25 20:04:39,022 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:04:39,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:04:39,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1555008418, now seen corresponding path program 4 times [2021-11-25 20:04:39,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:04:39,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306371456] [2021-11-25 20:04:39,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:04:39,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:04:39,036 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:04:39,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924102177] [2021-11-25 20:04:39,036 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-25 20:04:39,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:04:39,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:04:39,038 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:04:39,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-25 20:04:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:04:39,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 20:04:39,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:04:39,224 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 20:04:39,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:04:39,304 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 20:04:39,304 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:04:39,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306371456] [2021-11-25 20:04:39,305 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:04:39,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924102177] [2021-11-25 20:04:39,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924102177] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:04:39,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1275863879] [2021-11-25 20:04:39,308 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2021-11-25 20:04:39,308 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:04:39,308 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:04:39,308 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:04:39,309 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:04:39,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:39,414 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-25 20:04:39,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 68 [2021-11-25 20:04:39,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:39,526 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:04:39,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 20:04:39,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:39,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 51 [2021-11-25 20:04:39,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:39,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:39,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:39,760 INFO L354 Elim1Store]: treesize reduction 106, result has 6.2 percent of original size [2021-11-25 20:04:39,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 352 treesize of output 349 [2021-11-25 20:04:39,836 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 34 treesize of output 30 [2021-11-25 20:04:39,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:40,020 INFO L354 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2021-11-25 20:04:40,021 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 1 case distinctions, treesize of input 185 treesize of output 187 [2021-11-25 20:04:40,067 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 34 treesize of output 30 [2021-11-25 20:04:40,105 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 34 treesize of output 30 [2021-11-25 20:04:40,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:40,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 20:04:40,182 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 34 treesize of output 30 [2021-11-25 20:04:40,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 92 [2021-11-25 20:04:40,665 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 34 treesize of output 30 [2021-11-25 20:04:40,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:40,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 20:04:40,741 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 34 treesize of output 30 [2021-11-25 20:04:40,761 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 20:04:40,764 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:04:42,119 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1639#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (= (ite (and (<= 0 |ULTIMATE.start_main_~sum~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 20:04:42,120 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:04:42,120 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:04:42,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-11-25 20:04:42,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711365966] [2021-11-25 20:04:42,120 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:04:42,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 20:04:42,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:04:42,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 20:04:42,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2021-11-25 20:04:42,122 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 20:04:42,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:04:42,356 INFO L93 Difference]: Finished difference Result 85 states and 109 transitions. [2021-11-25 20:04:42,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 20:04:42,357 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 28 [2021-11-25 20:04:42,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:04:42,358 INFO L225 Difference]: With dead ends: 85 [2021-11-25 20:04:42,359 INFO L226 Difference]: Without dead ends: 64 [2021-11-25 20:04:42,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=160, Invalid=770, Unknown=0, NotChecked=0, Total=930 [2021-11-25 20:04:42,361 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 46 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:04:42,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 51 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:04:42,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-25 20:04:42,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 52. [2021-11-25 20:04:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.225) internal successors, (49), 40 states have internal predecessors, (49), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-25 20:04:42,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2021-11-25 20:04:42,387 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 28 [2021-11-25 20:04:42,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:04:42,390 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2021-11-25 20:04:42,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 20:04:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2021-11-25 20:04:42,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 20:04:42,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:04:42,401 INFO L514 BasicCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:04:42,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-25 20:04:42,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-25 20:04:42,626 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:04:42,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:04:42,626 INFO L85 PathProgramCache]: Analyzing trace with hash -460445601, now seen corresponding path program 1 times [2021-11-25 20:04:42,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:04:42,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386674877] [2021-11-25 20:04:42,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:04:42,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:04:42,640 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:04:42,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1312392000] [2021-11-25 20:04:42,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:04:42,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:04:42,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:04:42,642 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:04:42,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dbbba6-c118-40d4-a674-d97bd7484b17/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-25 20:04:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:04:42,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 20:04:42,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:04:42,879 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 0 case distinctions, treesize of input 36 treesize of output 31 [2021-11-25 20:04:42,887 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 8 treesize of output 7 [2021-11-25 20:04:42,897 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 8 treesize of output 7 [2021-11-25 20:04:43,519 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 0 case distinctions, treesize of input 625 treesize of output 590 [2021-11-25 20:04:46,993 INFO L354 Elim1Store]: treesize reduction 8485, result has 8.3 percent of original size [2021-11-25 20:04:46,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 8 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 104 case distinctions, treesize of input 601 treesize of output 1230 [2021-11-25 20:04:47,280 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:04:47,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 254 treesize of output 137 [2021-11-25 20:04:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:04:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 256 treesize of output 139 [2021-11-25 20:04:47,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 361 treesize of output 195 [2021-11-25 20:04:47,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:04:47,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 142 [2021-11-25 20:04:47,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 348 treesize of output 188 [2021-11-25 20:04:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:04:47,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 291 treesize of output 149 [2021-11-25 20:04:47,839 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-11-25 20:04:47,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 229 treesize of output 110 [2021-11-25 20:04:49,157 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 0 case distinctions, treesize of input 636 treesize of output 601 [2021-11-25 20:05:09,328 WARN L227 SmtUtils]: Spent 20.15s on a formula simplification. DAG size of input: 615 DAG size of output: 216 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:05:09,335 INFO L354 Elim1Store]: treesize reduction 8287, result has 15.9 percent of original size [2021-11-25 20:05:09,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 8 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 104 case distinctions, treesize of input 612 treesize of output 2024 [2021-11-25 20:05:17,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:17,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:17,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:17,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:17,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:17,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:17,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:17,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:17,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:17,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:18,564 INFO L244 Elim1Store]: Index analysis took 1146 ms [2021-11-25 20:05:19,492 INFO L354 Elim1Store]: treesize reduction 175, result has 17.5 percent of original size [2021-11-25 20:05:19,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 347 treesize of output 229 [2021-11-25 20:05:24,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:24,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:24,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:24,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:24,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:24,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:24,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:24,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:24,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:24,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:24,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:25,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:25,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:25,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:25,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:25,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:25,312 INFO L244 Elim1Store]: Index analysis took 1175 ms [2021-11-25 20:05:26,212 INFO L354 Elim1Store]: treesize reduction 370, result has 11.7 percent of original size [2021-11-25 20:05:26,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 347 treesize of output 241 [2021-11-25 20:05:29,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:05:29,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:29,588 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-25 20:05:29,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 171 [2021-11-25 20:05:30,313 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:05:35,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:05:38,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:38,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:38,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:38,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:38,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:38,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:38,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:38,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:38,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:38,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:39,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:39,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:39,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:39,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:39,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:39,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:39,122 INFO L244 Elim1Store]: Index analysis took 877 ms [2021-11-25 20:05:39,137 INFO L354 Elim1Store]: treesize reduction 129, result has 0.8 percent of original size [2021-11-25 20:05:39,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 299 treesize of output 161 [2021-11-25 20:05:40,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:05:48,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:05:48,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:48,851 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 20:05:48,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 141 [2021-11-25 20:05:49,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:05:49,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:49,925 INFO L244 Elim1Store]: Index analysis took 412 ms [2021-11-25 20:05:50,003 INFO L354 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2021-11-25 20:05:50,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 276 treesize of output 141 [2021-11-25 20:05:52,287 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:05:55,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:55,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:55,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:55,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:55,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:55,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:55,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:55,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:55,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:55,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:55,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:55,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:05:56,279 INFO L244 Elim1Store]: Index analysis took 740 ms [2021-11-25 20:05:56,480 INFO L354 Elim1Store]: treesize reduction 114, result has 12.3 percent of original size [2021-11-25 20:05:56,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 319 treesize of output 180 [2021-11-25 20:06:00,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:00,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:01,097 INFO L244 Elim1Store]: Index analysis took 804 ms [2021-11-25 20:06:01,751 INFO L354 Elim1Store]: treesize reduction 248, result has 4.6 percent of original size [2021-11-25 20:06:01,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 319 treesize of output 176 [2021-11-25 20:06:07,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:06:08,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:06:08,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:08,731 INFO L244 Elim1Store]: Index analysis took 371 ms [2021-11-25 20:06:08,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 272 treesize of output 139 [2021-11-25 20:06:16,509 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:06:16,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:16,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:16,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:16,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:16,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:16,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:16,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:16,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:16,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:17,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:17,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:17,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:17,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:17,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:17,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:17,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:17,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:17,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:06:17,080 INFO L244 Elim1Store]: Index analysis took 209 ms [2021-11-25 20:06:17,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 278 treesize of output 142 [2021-11-25 20:07:04,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:04,763 INFO L244 Elim1Store]: Index analysis took 543 ms [2021-11-25 20:07:07,263 INFO L354 Elim1Store]: treesize reduction 457, result has 9.3 percent of original size [2021-11-25 20:07:07,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 696 treesize of output 587 [2021-11-25 20:07:16,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:16,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:16,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:16,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:16,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:16,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:16,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:16,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:17,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:17,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:17,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:17,050 INFO L244 Elim1Store]: Index analysis took 685 ms [2021-11-25 20:07:18,701 INFO L354 Elim1Store]: treesize reduction 439, result has 12.9 percent of original size [2021-11-25 20:07:18,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 922 treesize of output 774 [2021-11-25 20:07:23,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:23,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:23,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:23,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:23,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:23,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:23,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:23,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:23,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:07:23,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:24,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:24,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:24,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:24,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:24,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:24,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:24,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:24,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:24,314 INFO L244 Elim1Store]: Index analysis took 530 ms [2021-11-25 20:07:24,815 INFO L354 Elim1Store]: treesize reduction 471, result has 5.8 percent of original size [2021-11-25 20:07:24,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 1617 treesize of output 1390 [2021-11-25 20:07:34,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:07:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,444 INFO L244 Elim1Store]: Index analysis took 193 ms [2021-11-25 20:07:34,452 INFO L354 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2021-11-25 20:07:34,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 1381 treesize of output 1094 [2021-11-25 20:07:34,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:34,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:35,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:35,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:35,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:35,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:35,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:35,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:35,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:35,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:35,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:35,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:35,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:35,290 INFO L244 Elim1Store]: Index analysis took 363 ms [2021-11-25 20:07:36,397 INFO L354 Elim1Store]: treesize reduction 113, result has 33.1 percent of original size [2021-11-25 20:07:36,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 751 treesize of output 598 [2021-11-25 20:07:41,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:41,294 INFO L244 Elim1Store]: Index analysis took 156 ms [2021-11-25 20:07:43,307 INFO L354 Elim1Store]: treesize reduction 432, result has 13.6 percent of original size [2021-11-25 20:07:43,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1432 treesize of output 1192 [2021-11-25 20:08:16,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,238 INFO L354 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2021-11-25 20:08:16,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 20 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 485 treesize of output 252 [2021-11-25 20:08:16,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:16,505 INFO L354 Elim1Store]: treesize reduction 274, result has 5.5 percent of original size [2021-11-25 20:08:16,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 466 treesize of output 266 [2021-11-25 20:08:21,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:21,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:22,258 INFO L244 Elim1Store]: Index analysis took 598 ms