./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/modn.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_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/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_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/modn.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/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_0e14886a-21db-43a2-8cf0-3b90d703ec99/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 b1b107a3e17c36933ddc5a5cff6ab95f9f0d71df794eec32ec4a28d109efd829 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:11:58,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:11:58,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:11:58,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:11:58,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:11:58,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:11:58,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:11:58,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:11:58,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:11:58,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:11:58,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:11:58,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:11:58,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:11:58,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:11:58,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:11:58,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:11:58,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:11:58,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:11:58,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:11:58,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:11:58,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:11:58,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:11:58,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:11:58,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:11:58,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:11:58,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:11:58,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:11:58,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:11:58,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:11:58,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:11:58,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:11:58,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:11:58,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:11:58,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:11:58,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:11:58,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:11:58,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:11:58,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:11:58,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:11:58,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:11:58,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:11:58,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:11:58,781 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:11:58,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:11:58,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:11:58,782 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:11:58,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:11:58,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:11:58,784 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:11:58,784 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:11:58,784 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:11:58,785 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:11:58,785 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:11:58,785 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:11:58,786 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:11:58,786 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:11:58,786 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:11:58,787 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:11:58,787 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:11:58,787 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:11:58,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:11:58,788 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:11:58,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:11:58,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:11:58,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:11:58,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:11:58,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:11:58,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:11:58,790 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:11:58,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:11:58,790 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:11:58,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:11:58,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:11:58,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:11:58,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:11:58,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:11:58,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:11:58,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:11:58,793 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:11:58,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:11:58,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:11:58,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:11:58,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:11:58,794 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_0e14886a-21db-43a2-8cf0-3b90d703ec99/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1b107a3e17c36933ddc5a5cff6ab95f9f0d71df794eec32ec4a28d109efd829 [2021-11-25 20:11:59,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:11:59,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:11:59,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:11:59,124 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:11:59,125 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:11:59,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/array-fpi/modn.c [2021-11-25 20:11:59,200 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/data/25e9b37a4/5b23474d51df44f9a4133287d5d0247f/FLAGfe1c7d72d [2021-11-25 20:11:59,673 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:11:59,673 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/sv-benchmarks/c/array-fpi/modn.c [2021-11-25 20:11:59,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/data/25e9b37a4/5b23474d51df44f9a4133287d5d0247f/FLAGfe1c7d72d [2021-11-25 20:12:00,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/data/25e9b37a4/5b23474d51df44f9a4133287d5d0247f [2021-11-25 20:12:00,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:12:00,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:12:00,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:12:00,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:12:00,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:12:00,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:12:00" (1/1) ... [2021-11-25 20:12:00,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b605c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:00, skipping insertion in model container [2021-11-25 20:12:00,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:12:00" (1/1) ... [2021-11-25 20:12:00,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:12:00,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:12:00,258 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_0e14886a-21db-43a2-8cf0-3b90d703ec99/sv-benchmarks/c/array-fpi/modn.c[587,600] [2021-11-25 20:12:00,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:12:00,291 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:12:00,308 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_0e14886a-21db-43a2-8cf0-3b90d703ec99/sv-benchmarks/c/array-fpi/modn.c[587,600] [2021-11-25 20:12:00,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:12:00,348 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:12:00,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:00 WrapperNode [2021-11-25 20:12:00,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:12:00,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:12:00,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:12:00,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:12:00,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:00" (1/1) ... [2021-11-25 20:12:00,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:00" (1/1) ... [2021-11-25 20:12:00,396 INFO L137 Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2021-11-25 20:12:00,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:12:00,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:12:00,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:12:00,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:12:00,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:00" (1/1) ... [2021-11-25 20:12:00,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:00" (1/1) ... [2021-11-25 20:12:00,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:00" (1/1) ... [2021-11-25 20:12:00,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:00" (1/1) ... [2021-11-25 20:12:00,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:00" (1/1) ... [2021-11-25 20:12:00,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:00" (1/1) ... [2021-11-25 20:12:00,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:00" (1/1) ... [2021-11-25 20:12:00,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:12:00,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:12:00,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:12:00,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:12:00,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:00" (1/1) ... [2021-11-25 20:12:00,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:12:00,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:12:00,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:12:00,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:12:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:12:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:12:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:12:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:12:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:12:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:12:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:12:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:12:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:12:00,570 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:12:00,571 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:12:00,709 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:12:00,746 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:12:00,746 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-25 20:12:00,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:12:00 BoogieIcfgContainer [2021-11-25 20:12:00,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:12:00,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:12:00,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:12:00,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:12:00,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:12:00" (1/3) ... [2021-11-25 20:12:00,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3173be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:12:00, skipping insertion in model container [2021-11-25 20:12:00,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:12:00" (2/3) ... [2021-11-25 20:12:00,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3173be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:12:00, skipping insertion in model container [2021-11-25 20:12:00,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:12:00" (3/3) ... [2021-11-25 20:12:00,770 INFO L111 eAbstractionObserver]: Analyzing ICFG modn.c [2021-11-25 20:12:00,775 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:12:00,775 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:12:00,872 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:12:00,881 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 20:12:00,881 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:12:00,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 20:12:00,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:00,903 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:12:00,903 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:12:00,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:00,909 INFO L85 PathProgramCache]: Analyzing trace with hash 90967917, now seen corresponding path program 1 times [2021-11-25 20:12:00,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:12:00,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388534478] [2021-11-25 20:12:00,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:00,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:12:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:12:01,157 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 20:12:01,158 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:12:01,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388534478] [2021-11-25 20:12:01,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388534478] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:12:01,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:12:01,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:12:01,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157181458] [2021-11-25 20:12:01,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:12:01,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:12:01,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:12:01,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:12:01,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:12:01,199 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:01,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:12:01,280 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-11-25 20:12:01,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:12:01,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-25 20:12:01,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:12:01,291 INFO L225 Difference]: With dead ends: 20 [2021-11-25 20:12:01,293 INFO L226 Difference]: Without dead ends: 10 [2021-11-25 20:12:01,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:12:01,306 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:12:01,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:12:01,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-25 20:12:01,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-25 20:12:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-11-25 20:12:01,344 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 7 [2021-11-25 20:12:01,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:12:01,345 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-25 20:12:01,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:01,345 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-25 20:12:01,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 20:12:01,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:01,346 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:12:01,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:12:01,346 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:12:01,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:01,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1733550639, now seen corresponding path program 1 times [2021-11-25 20:12:01,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:12:01,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771092166] [2021-11-25 20:12:01,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:01,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:12:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:12:01,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:12:01,458 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:12:01,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771092166] [2021-11-25 20:12:01,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771092166] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:12:01,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:12:01,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:12:01,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438679814] [2021-11-25 20:12:01,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:12:01,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:12:01,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:12:01,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:12:01,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:12:01,462 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:01,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:12:01,488 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2021-11-25 20:12:01,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:12:01,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 20:12:01,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:12:01,490 INFO L225 Difference]: With dead ends: 21 [2021-11-25 20:12:01,490 INFO L226 Difference]: Without dead ends: 16 [2021-11-25 20:12:01,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:12:01,492 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 16 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:12:01,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 6 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 20:12:01,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-25 20:12:01,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 11. [2021-11-25 20:12:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:01,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-11-25 20:12:01,498 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2021-11-25 20:12:01,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:12:01,498 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-11-25 20:12:01,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:01,499 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-25 20:12:01,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 20:12:01,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:01,500 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:12:01,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:12:01,500 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:12:01,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:01,501 INFO L85 PathProgramCache]: Analyzing trace with hash 2086190460, now seen corresponding path program 1 times [2021-11-25 20:12:01,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:12:01,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958797790] [2021-11-25 20:12:01,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:01,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:12:01,526 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:12:01,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [243449693] [2021-11-25 20:12:01,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:01,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:12:01,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:12:01,532 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:12:01,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:12:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:12:01,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-25 20:12:01,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:12:01,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:12:01,792 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 28 treesize of output 16 [2021-11-25 20:12:01,966 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-25 20:12:01,967 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 25 treesize of output 28 [2021-11-25 20:12:02,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2021-11-25 20:12:02,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:12:02,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:12:22,738 WARN L227 SmtUtils]: Spent 20.12s on a formula simplification. DAG size of input: 46 DAG size of output: 19 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 20:12:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:12:33,844 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:12:33,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958797790] [2021-11-25 20:12:33,845 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:12:33,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243449693] [2021-11-25 20:12:33,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243449693] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:12:33,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1072837569] [2021-11-25 20:12:33,865 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-25 20:12:33,865 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:12:33,869 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:12:33,874 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:12:33,875 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:12:33,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:33,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:33,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:34,262 INFO L354 Elim1Store]: treesize reduction 94, result has 27.7 percent of original size [2021-11-25 20:12:34,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 69 [2021-11-25 20:12:34,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:34,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 20:12:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:34,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 98 [2021-11-25 20:12:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:34,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 103 [2021-11-25 20:12:34,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:12:34,710 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-11-25 20:12:34,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 419 treesize of output 394 [2021-11-25 20:12:34,829 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 17 treesize of output 9 [2021-11-25 20:12:34,928 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-25 20:12:34,928 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 60 treesize of output 48 [2021-11-25 20:12:35,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:12:35,211 INFO L354 Elim1Store]: treesize reduction 108, result has 23.4 percent of original size [2021-11-25 20:12:35,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 149 treesize of output 149 [2021-11-25 20:12:35,701 INFO L354 Elim1Store]: treesize reduction 50, result has 29.6 percent of original size [2021-11-25 20:12:35,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 63 [2021-11-25 20:12:35,755 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:12:37,330 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '168#(and (<= 0 |#NULL.base|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= ~N~0 2147483647) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~#sum~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (ite (= |ULTIMATE.start_main_#t~mem11#1| 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~#sum~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))) |ULTIMATE.start_main_#t~mem11#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#sum~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2021-11-25 20:12:37,331 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:12:37,331 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:12:37,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-11-25 20:12:37,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887977183] [2021-11-25 20:12:37,332 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:12:37,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 20:12:37,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:12:37,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 20:12:37,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=248, Unknown=3, NotChecked=0, Total=306 [2021-11-25 20:12:37,335 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:37,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:12:37,628 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2021-11-25 20:12:37,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:12:37,629 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-25 20:12:37,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:12:37,630 INFO L225 Difference]: With dead ends: 20 [2021-11-25 20:12:37,630 INFO L226 Difference]: Without dead ends: 18 [2021-11-25 20:12:37,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 33.1s TimeCoverageRelationStatistics Valid=60, Invalid=279, Unknown=3, NotChecked=0, Total=342 [2021-11-25 20:12:37,632 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:12:37,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 17 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 26 Unchecked, 0.2s Time] [2021-11-25 20:12:37,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-25 20:12:37,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2021-11-25 20:12:37,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:37,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-11-25 20:12:37,638 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 9 [2021-11-25 20:12:37,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:12:37,638 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-11-25 20:12:37,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:37,638 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-25 20:12:37,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 20:12:37,639 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:37,639 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:12:37,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:12:37,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:12:37,853 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:12:37,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:37,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1070514912, now seen corresponding path program 2 times [2021-11-25 20:12:37,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:12:37,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196817424] [2021-11-25 20:12:37,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:37,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:12:37,882 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:12:37,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [589880220] [2021-11-25 20:12:37,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 20:12:37,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:12:37,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:12:37,888 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:12:37,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:12:37,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-25 20:12:37,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 20:12:37,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 20:12:37,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:12:38,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:12:38,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:12:38,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:12:38,285 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:12:38,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196817424] [2021-11-25 20:12:38,286 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:12:38,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589880220] [2021-11-25 20:12:38,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589880220] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:12:38,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [145702347] [2021-11-25 20:12:38,289 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-25 20:12:38,290 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:12:38,290 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:12:38,290 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:12:38,290 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:12:38,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:38,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:38,579 INFO L354 Elim1Store]: treesize reduction 62, result has 35.4 percent of original size [2021-11-25 20:12:38,579 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 3 case distinctions, treesize of input 27 treesize of output 55 [2021-11-25 20:12:38,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:38,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:38,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:38,906 INFO L354 Elim1Store]: treesize reduction 94, result has 27.7 percent of original size [2021-11-25 20:12:38,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 69 [2021-11-25 20:12:38,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:38,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 98 [2021-11-25 20:12:38,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:38,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 103 [2021-11-25 20:12:39,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:12:39,208 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-11-25 20:12:39,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 419 treesize of output 394 [2021-11-25 20:12:39,309 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 17 treesize of output 9 [2021-11-25 20:12:39,404 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-25 20:12:39,405 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 60 treesize of output 48 [2021-11-25 20:12:39,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:12:39,699 INFO L354 Elim1Store]: treesize reduction 108, result has 23.4 percent of original size [2021-11-25 20:12:39,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 149 treesize of output 149 [2021-11-25 20:12:40,818 INFO L354 Elim1Store]: treesize reduction 50, result has 29.6 percent of original size [2021-11-25 20:12:40,819 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 65 treesize of output 63 [2021-11-25 20:12:40,862 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:12:41,994 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '293#(and (<= 0 |#NULL.base|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= ~N~0 2147483647) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~#sum~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (ite (= |ULTIMATE.start_main_#t~mem11#1| 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~#sum~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))) |ULTIMATE.start_main_#t~mem11#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#sum~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2021-11-25 20:12:41,994 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:12:41,994 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:12:41,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-11-25 20:12:41,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617017936] [2021-11-25 20:12:41,995 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:12:41,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 20:12:41,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:12:41,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 20:12:41,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-25 20:12:41,996 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:42,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:12:42,478 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2021-11-25 20:12:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 20:12:42,479 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-25 20:12:42,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:12:42,479 INFO L225 Difference]: With dead ends: 34 [2021-11-25 20:12:42,480 INFO L226 Difference]: Without dead ends: 29 [2021-11-25 20:12:42,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-11-25 20:12:42,482 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 22 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:12:42,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 33 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:12:42,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-25 20:12:42,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 17. [2021-11-25 20:12:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:42,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-11-25 20:12:42,488 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 10 [2021-11-25 20:12:42,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:12:42,488 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-11-25 20:12:42,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:42,489 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-25 20:12:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 20:12:42,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:42,489 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:12:42,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 20:12:42,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:12:42,695 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:12:42,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:42,696 INFO L85 PathProgramCache]: Analyzing trace with hash 239080241, now seen corresponding path program 3 times [2021-11-25 20:12:42,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:12:42,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016214902] [2021-11-25 20:12:42,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:42,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:12:42,716 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:12:42,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [778195430] [2021-11-25 20:12:42,716 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 20:12:42,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:12:42,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:12:42,717 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:12:42,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:12:42,775 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 20:12:42,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 20:12:42,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 20:12:42,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:12:42,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:12:42,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:12:43,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:12:43,036 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:12:43,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016214902] [2021-11-25 20:12:43,036 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:12:43,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778195430] [2021-11-25 20:12:43,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778195430] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:12:43,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [145380361] [2021-11-25 20:12:43,038 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-25 20:12:43,038 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:12:43,038 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:12:43,039 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:12:43,039 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:12:43,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:43,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:43,338 INFO L354 Elim1Store]: treesize reduction 94, result has 27.7 percent of original size [2021-11-25 20:12:43,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 69 [2021-11-25 20:12:43,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:43,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:43,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 20:12:43,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:43,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 98 [2021-11-25 20:12:43,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:43,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 103 [2021-11-25 20:12:43,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:12:43,670 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-11-25 20:12:43,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 419 treesize of output 394 [2021-11-25 20:12:43,772 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 17 treesize of output 9 [2021-11-25 20:12:43,894 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-25 20:12:43,894 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 60 treesize of output 48 [2021-11-25 20:12:43,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:12:44,699 INFO L354 Elim1Store]: treesize reduction 108, result has 23.4 percent of original size [2021-11-25 20:12:44,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 149 treesize of output 149 [2021-11-25 20:12:45,318 INFO L354 Elim1Store]: treesize reduction 50, result has 29.6 percent of original size [2021-11-25 20:12:45,319 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 65 treesize of output 63 [2021-11-25 20:12:45,353 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:12:46,496 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '445#(and (<= 0 |#NULL.base|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= ~N~0 2147483647) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~#sum~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (ite (= |ULTIMATE.start_main_#t~mem11#1| 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~#sum~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))) |ULTIMATE.start_main_#t~mem11#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#sum~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2021-11-25 20:12:46,497 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:12:46,497 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:12:46,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-11-25 20:12:46,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513042278] [2021-11-25 20:12:46,497 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:12:46,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 20:12:46,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:12:46,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 20:12:46,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-11-25 20:12:46,499 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:46,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:12:46,711 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2021-11-25 20:12:46,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:12:46,711 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-25 20:12:46,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:12:46,712 INFO L225 Difference]: With dead ends: 35 [2021-11-25 20:12:46,713 INFO L226 Difference]: Without dead ends: 23 [2021-11-25 20:12:46,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-11-25 20:12:46,718 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 20 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:12:46,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 14 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:12:46,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-11-25 20:12:46,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 13. [2021-11-25 20:12:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:46,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-11-25 20:12:46,722 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2021-11-25 20:12:46,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:12:46,723 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-11-25 20:12:46,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:12:46,723 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-25 20:12:46,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 20:12:46,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:46,724 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:12:46,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:12:46,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:12:46,937 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:12:46,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:46,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1182090675, now seen corresponding path program 4 times [2021-11-25 20:12:46,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:12:46,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348637834] [2021-11-25 20:12:46,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:46,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:12:46,953 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:12:46,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149097413] [2021-11-25 20:12:46,954 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-25 20:12:46,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:12:46,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:12:46,962 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:12:46,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:12:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:12:47,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-25 20:12:47,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:12:47,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 20:12:47,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:12:47,209 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 25 treesize of output 13 [2021-11-25 20:12:47,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-25 20:12:47,588 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 25 treesize of output 20 [2021-11-25 20:12:47,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:12:47,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2021-11-25 20:12:48,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2021-11-25 20:12:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:12:48,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:13:08,633 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 20:13:08,633 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 1 [2021-11-25 20:13:08,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:13:08,640 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:13:08,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348637834] [2021-11-25 20:13:08,641 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:13:08,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149097413] [2021-11-25 20:13:08,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149097413] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:13:08,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [187500131] [2021-11-25 20:13:08,643 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-25 20:13:08,643 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:13:08,644 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:13:08,644 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:13:08,644 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:13:08,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:08,752 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:13:08,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 102 [2021-11-25 20:13:08,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:08,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:08,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:09,059 INFO L354 Elim1Store]: treesize reduction 94, result has 27.7 percent of original size [2021-11-25 20:13:09,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 69 [2021-11-25 20:13:09,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:09,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:09,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 20:13:09,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:09,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 103 [2021-11-25 20:13:09,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:13:09,370 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-11-25 20:13:09,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 419 treesize of output 394 [2021-11-25 20:13:09,456 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 17 treesize of output 9 [2021-11-25 20:13:09,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:13:09,574 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-25 20:13:09,574 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 65 treesize of output 53 [2021-11-25 20:13:09,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:09,878 INFO L354 Elim1Store]: treesize reduction 67, result has 23.9 percent of original size [2021-11-25 20:13:09,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 151 treesize of output 147 [2021-11-25 20:13:10,180 INFO L354 Elim1Store]: treesize reduction 50, result has 29.6 percent of original size [2021-11-25 20:13:10,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 63 [2021-11-25 20:13:10,214 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:13:11,769 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '602#(and (<= 0 |#NULL.base|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= ~N~0 2147483647) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~#sum~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (ite (= |ULTIMATE.start_main_#t~mem11#1| 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~#sum~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))) |ULTIMATE.start_main_#t~mem11#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#sum~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2021-11-25 20:13:11,769 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:13:11,769 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:13:11,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-11-25 20:13:11,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178253477] [2021-11-25 20:13:11,769 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:13:11,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-25 20:13:11,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:13:11,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-25 20:13:11,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=414, Unknown=6, NotChecked=0, Total=506 [2021-11-25 20:13:11,771 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 18 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:13:12,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:13:12,268 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2021-11-25 20:13:12,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 20:13:12,269 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 20:13:12,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:13:12,269 INFO L225 Difference]: With dead ends: 28 [2021-11-25 20:13:12,269 INFO L226 Difference]: Without dead ends: 26 [2021-11-25 20:13:12,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=108, Invalid=536, Unknown=6, NotChecked=0, Total=650 [2021-11-25 20:13:12,271 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 54 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:13:12,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 29 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 54 Unchecked, 0.1s Time] [2021-11-25 20:13:12,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-25 20:13:12,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2021-11-25 20:13:12,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:13:12,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2021-11-25 20:13:12,277 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 29 transitions. Word has length 11 [2021-11-25 20:13:12,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:13:12,277 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-11-25 20:13:12,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:13:12,278 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2021-11-25 20:13:12,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 20:13:12,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:13:12,279 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:13:12,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 20:13:12,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:13:12,479 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:13:12,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:13:12,480 INFO L85 PathProgramCache]: Analyzing trace with hash 2060601037, now seen corresponding path program 5 times [2021-11-25 20:13:12,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:13:12,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588163839] [2021-11-25 20:13:12,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:13:12,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:13:12,512 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:13:12,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [265720370] [2021-11-25 20:13:12,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 20:13:12,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:13:12,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:13:12,520 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:13:12,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 20:13:12,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-25 20:13:12,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 20:13:12,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 20:13:12,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:13:12,874 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:13:12,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:13:13,046 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:13:13,047 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:13:13,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588163839] [2021-11-25 20:13:13,047 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:13:13,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265720370] [2021-11-25 20:13:13,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265720370] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:13:13,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1360325363] [2021-11-25 20:13:13,049 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-25 20:13:13,049 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:13:13,050 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:13:13,050 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:13:13,050 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:13:13,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:13,136 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:13:13,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 102 [2021-11-25 20:13:13,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:13,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:13,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:13,415 INFO L354 Elim1Store]: treesize reduction 94, result has 27.7 percent of original size [2021-11-25 20:13:13,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 69 [2021-11-25 20:13:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:13,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 20:13:13,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:13,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 103 [2021-11-25 20:13:13,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:13:13,711 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-11-25 20:13:13,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 419 treesize of output 394 [2021-11-25 20:13:13,794 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 17 treesize of output 9 [2021-11-25 20:13:13,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:13:13,941 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-25 20:13:13,943 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 65 treesize of output 53 [2021-11-25 20:13:14,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:14,432 INFO L354 Elim1Store]: treesize reduction 67, result has 23.9 percent of original size [2021-11-25 20:13:14,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 151 treesize of output 147 [2021-11-25 20:13:14,730 INFO L354 Elim1Store]: treesize reduction 50, result has 29.6 percent of original size [2021-11-25 20:13:14,730 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 65 treesize of output 63 [2021-11-25 20:13:14,763 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:13:15,880 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '782#(and (<= 0 |#NULL.base|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= ~N~0 2147483647) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~#sum~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (ite (= |ULTIMATE.start_main_#t~mem11#1| 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~#sum~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))) |ULTIMATE.start_main_#t~mem11#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#sum~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2021-11-25 20:13:15,880 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:13:15,880 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:13:15,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-11-25 20:13:15,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694137336] [2021-11-25 20:13:15,880 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:13:15,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 20:13:15,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:13:15,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 20:13:15,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2021-11-25 20:13:15,882 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. Second operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:13:16,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:13:16,530 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2021-11-25 20:13:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 20:13:16,531 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-25 20:13:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:13:16,533 INFO L225 Difference]: With dead ends: 56 [2021-11-25 20:13:16,533 INFO L226 Difference]: Without dead ends: 49 [2021-11-25 20:13:16,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2021-11-25 20:13:16,534 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 48 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:13:16,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 50 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:13:16,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-25 20:13:16,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 21. [2021-11-25 20:13:16,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:13:16,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2021-11-25 20:13:16,542 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 13 [2021-11-25 20:13:16,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:13:16,542 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-11-25 20:13:16,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:13:16,542 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-25 20:13:16,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 20:13:16,543 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:13:16,543 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:13:16,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 20:13:16,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:13:16,757 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:13:16,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:13:16,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2055930012, now seen corresponding path program 6 times [2021-11-25 20:13:16,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:13:16,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934983348] [2021-11-25 20:13:16,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:13:16,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:13:16,774 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:13:16,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1223249487] [2021-11-25 20:13:16,774 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 20:13:16,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:13:16,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:13:16,787 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:13:16,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 20:13:16,854 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 20:13:16,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 20:13:16,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-25 20:13:16,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:13:16,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:13:16,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 20:13:17,011 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 25 treesize of output 13 [2021-11-25 20:13:17,117 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 25 treesize of output 13 [2021-11-25 20:13:17,268 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 25 treesize of output 13 [2021-11-25 20:13:17,516 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 25 treesize of output 20 [2021-11-25 20:13:17,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:17,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2021-11-25 20:13:17,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:17,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2021-11-25 20:13:18,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2021-11-25 20:13:18,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:13:18,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:13:20,506 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_148| Int) (v_ArrVal_228 Int) (v_ArrVal_226 Int)) (or (= (select (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_226) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_148| 4)) v_ArrVal_228) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< |v_ULTIMATE.start_main_~i~0#1_148| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-11-25 20:13:44,642 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 20:13:44,642 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 1 [2021-11-25 20:13:44,646 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2021-11-25 20:13:44,646 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:13:44,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934983348] [2021-11-25 20:13:44,646 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:13:44,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223249487] [2021-11-25 20:13:44,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223249487] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:13:44,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1797877959] [2021-11-25 20:13:44,648 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-25 20:13:44,648 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:13:44,648 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:13:44,649 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:13:44,649 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:13:44,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:44,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:44,903 INFO L354 Elim1Store]: treesize reduction 62, result has 35.4 percent of original size [2021-11-25 20:13:44,904 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 3 case distinctions, treesize of input 27 treesize of output 55 [2021-11-25 20:13:44,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:44,976 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:13:44,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 102 [2021-11-25 20:13:44,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:45,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:45,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:13:45,255 INFO L354 Elim1Store]: treesize reduction 94, result has 27.7 percent of original size [2021-11-25 20:13:45,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 69 [2021-11-25 20:13:45,295 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 17 treesize of output 9 [2021-11-25 20:13:45,320 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 17 treesize of output 9 [2021-11-25 20:13:45,351 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 17 treesize of output 9 [2021-11-25 20:13:45,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:13:45,499 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-25 20:13:45,500 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 60 treesize of output 48 [2021-11-25 20:13:45,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:13:46,097 INFO L354 Elim1Store]: treesize reduction 108, result has 23.4 percent of original size [2021-11-25 20:13:46,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 124 treesize of output 124 [2021-11-25 20:13:46,396 INFO L354 Elim1Store]: treesize reduction 50, result has 29.6 percent of original size [2021-11-25 20:13:46,396 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 65 treesize of output 63 [2021-11-25 20:13:46,431 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:13:47,847 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1012#(and (<= 0 |#NULL.base|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= ~N~0 2147483647) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~#sum~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (ite (= |ULTIMATE.start_main_#t~mem11#1| 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~#sum~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))) |ULTIMATE.start_main_#t~mem11#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#sum~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2021-11-25 20:13:47,847 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:13:47,847 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:13:47,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-11-25 20:13:47,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908664134] [2021-11-25 20:13:47,847 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:13:47,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-25 20:13:47,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:13:47,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-25 20:13:47,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=537, Unknown=10, NotChecked=48, Total=702 [2021-11-25 20:13:47,849 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand has 22 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:28,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:28,922 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-11-25 20:14:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 20:14:28,923 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-25 20:14:28,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:28,924 INFO L225 Difference]: With dead ends: 39 [2021-11-25 20:14:28,924 INFO L226 Difference]: Without dead ends: 37 [2021-11-25 20:14:28,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 11 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 63.8s TimeCoverageRelationStatistics Valid=136, Invalid=709, Unknown=29, NotChecked=56, Total=930 [2021-11-25 20:14:28,926 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:28,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 27 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 61 Unchecked, 0.2s Time] [2021-11-25 20:14:28,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-25 20:14:28,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2021-11-25 20:14:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:28,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2021-11-25 20:14:28,936 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 40 transitions. Word has length 13 [2021-11-25 20:14:28,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:28,937 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-11-25 20:14:28,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:28,937 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2021-11-25 20:14:28,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 20:14:28,938 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:28,938 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:28,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-25 20:14:29,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-25 20:14:29,145 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:14:29,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:29,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1911128237, now seen corresponding path program 7 times [2021-11-25 20:14:29,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:29,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621644795] [2021-11-25 20:14:29,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:29,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:29,158 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:14:29,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2050528225] [2021-11-25 20:14:29,159 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-25 20:14:29,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:14:29,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:14:29,162 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:14:29,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-25 20:14:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:29,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 20:14:29,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:14:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:14:29,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:14:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:14:29,609 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:29,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621644795] [2021-11-25 20:14:29,609 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:14:29,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050528225] [2021-11-25 20:14:29,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050528225] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:14:29,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1296660449] [2021-11-25 20:14:29,611 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-25 20:14:29,611 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:14:29,612 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:14:29,612 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:14:29,612 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:14:29,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:29,708 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:14:29,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 102 [2021-11-25 20:14:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:29,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:29,936 INFO L354 Elim1Store]: treesize reduction 62, result has 35.4 percent of original size [2021-11-25 20:14:29,936 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 3 case distinctions, treesize of input 27 treesize of output 55 [2021-11-25 20:14:29,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:29,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:29,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:30,234 INFO L354 Elim1Store]: treesize reduction 94, result has 27.7 percent of original size [2021-11-25 20:14:30,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 69 [2021-11-25 20:14:30,259 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 17 treesize of output 9 [2021-11-25 20:14:30,292 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 17 treesize of output 9 [2021-11-25 20:14:30,317 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 17 treesize of output 9 [2021-11-25 20:14:30,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:14:30,468 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-25 20:14:30,469 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 65 treesize of output 53 [2021-11-25 20:14:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:30,668 INFO L354 Elim1Store]: treesize reduction 67, result has 23.9 percent of original size [2021-11-25 20:14:30,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 126 treesize of output 122 [2021-11-25 20:14:31,008 INFO L354 Elim1Store]: treesize reduction 50, result has 29.6 percent of original size [2021-11-25 20:14:31,009 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 65 treesize of output 63 [2021-11-25 20:14:31,043 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:14:32,112 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1233#(and (<= 0 |#NULL.base|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= ~N~0 2147483647) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~#sum~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (ite (= |ULTIMATE.start_main_#t~mem11#1| 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~#sum~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))) |ULTIMATE.start_main_#t~mem11#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#sum~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2021-11-25 20:14:32,112 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:14:32,112 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:14:32,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-11-25 20:14:32,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796548059] [2021-11-25 20:14:32,112 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:14:32,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 20:14:32,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:32,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 20:14:32,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2021-11-25 20:14:32,113 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. Second operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:32,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:32,416 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2021-11-25 20:14:32,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:14:32,417 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-25 20:14:32,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:32,418 INFO L225 Difference]: With dead ends: 64 [2021-11-25 20:14:32,418 INFO L226 Difference]: Without dead ends: 53 [2021-11-25 20:14:32,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-11-25 20:14:32,420 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 50 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:32,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 24 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:14:32,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-25 20:14:32,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 36. [2021-11-25 20:14:32,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2021-11-25 20:14:32,429 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 13 [2021-11-25 20:14:32,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:32,430 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2021-11-25 20:14:32,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:32,430 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2021-11-25 20:14:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 20:14:32,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:32,431 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:32,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-25 20:14:32,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-25 20:14:32,653 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:14:32,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:32,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1221265221, now seen corresponding path program 1 times [2021-11-25 20:14:32,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:32,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953307840] [2021-11-25 20:14:32,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:32,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:32,675 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:14:32,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185102424] [2021-11-25 20:14:32,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:32,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:14:32,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:14:32,677 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:14:32,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-25 20:14:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:32,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-25 20:14:32,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:14:32,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:14:32,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 20:14:32,813 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 28 treesize of output 16 [2021-11-25 20:14:32,872 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 28 treesize of output 16 [2021-11-25 20:14:33,023 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 46 treesize of output 37 [2021-11-25 20:14:33,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:33,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 51 [2021-11-25 20:14:34,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 33 [2021-11-25 20:14:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:35,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:14:51,312 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:51,312 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:51,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953307840] [2021-11-25 20:14:51,312 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:14:51,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185102424] [2021-11-25 20:14:51,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185102424] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:14:51,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [308865145] [2021-11-25 20:14:51,314 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-25 20:14:51,314 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:14:51,315 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:14:51,315 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:14:51,315 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:14:51,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:51,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:51,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:51,604 INFO L354 Elim1Store]: treesize reduction 94, result has 27.7 percent of original size [2021-11-25 20:14:51,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 69 [2021-11-25 20:14:51,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:51,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 98 [2021-11-25 20:14:51,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:51,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:51,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 20:14:51,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:51,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 103 [2021-11-25 20:14:51,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:14:51,868 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-11-25 20:14:51,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 419 treesize of output 394 [2021-11-25 20:14:51,932 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 17 treesize of output 9 [2021-11-25 20:14:51,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:14:52,103 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-25 20:14:52,103 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 60 treesize of output 48 [2021-11-25 20:14:52,301 INFO L354 Elim1Store]: treesize reduction 50, result has 29.6 percent of original size [2021-11-25 20:14:52,301 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 65 treesize of output 63 [2021-11-25 20:14:52,410 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:14:54,204 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1505#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start_main_~#sum~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (ite (= |ULTIMATE.start_main_#t~mem11#1| 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))) |ULTIMATE.start_main_#t~mem11#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#sum~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2021-11-25 20:14:54,205 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:14:54,205 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:14:54,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-11-25 20:14:54,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976585526] [2021-11-25 20:14:54,205 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:14:54,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-25 20:14:54,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:54,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-25 20:14:54,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=639, Unknown=3, NotChecked=0, Total=756 [2021-11-25 20:14:54,207 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand has 23 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:54,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:54,691 INFO L93 Difference]: Finished difference Result 47 states and 58 transitions. [2021-11-25 20:14:54,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 20:14:54,691 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-25 20:14:54,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:54,692 INFO L225 Difference]: With dead ends: 47 [2021-11-25 20:14:54,692 INFO L226 Difference]: Without dead ends: 37 [2021-11-25 20:14:54,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 18.0s TimeCoverageRelationStatistics Valid=125, Invalid=684, Unknown=3, NotChecked=0, Total=812 [2021-11-25 20:14:54,694 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:54,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 24 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 75 Invalid, 0 Unknown, 29 Unchecked, 0.3s Time] [2021-11-25 20:14:54,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-25 20:14:54,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2021-11-25 20:14:54,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:54,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2021-11-25 20:14:54,703 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 14 [2021-11-25 20:14:54,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:54,703 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2021-11-25 20:14:54,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2021-11-25 20:14:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 20:14:54,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:54,704 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:54,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-25 20:14:54,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:14:54,909 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:14:54,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:54,909 INFO L85 PathProgramCache]: Analyzing trace with hash -8393427, now seen corresponding path program 8 times [2021-11-25 20:14:54,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:54,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397295916] [2021-11-25 20:14:54,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:54,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:54,923 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:14:54,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [551788965] [2021-11-25 20:14:54,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 20:14:54,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:14:54,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:14:54,947 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:14:54,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-25 20:14:55,018 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-25 20:14:55,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 20:14:55,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-25 20:14:55,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:14:55,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:14:55,214 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 25 treesize of output 13 [2021-11-25 20:14:55,331 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 25 treesize of output 13 [2021-11-25 20:14:55,445 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 25 treesize of output 13 [2021-11-25 20:14:55,559 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 25 treesize of output 13 [2021-11-25 20:14:55,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,801 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 30 treesize of output 25 [2021-11-25 20:14:55,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-25 20:14:56,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:56,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:56,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-25 20:14:56,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:56,388 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-25 20:14:56,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 36 [2021-11-25 20:14:59,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:59,187 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-25 20:14:59,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 30 [2021-11-25 20:14:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:59,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:15:01,600 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse0 (= (mod .cse3 c_~N~0) 0))) (let ((.cse1 (<= 0 .cse3)) (.cse2 (or (and (< .cse3 0) (not .cse0)) (forall ((|ULTIMATE.start_main_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4)) (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) (and (or (<= 0 c_~N~0) (and (or (forall ((|ULTIMATE.start_main_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4)) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) .cse0 .cse1) .cse2)) (or (and (or .cse0 .cse1 (forall ((|ULTIMATE.start_main_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4)) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) .cse2) (< c_~N~0 0)))))) is different from false [2021-11-25 20:15:03,939 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (forall ((v_ArrVal_370 Int)) (or (let ((.cse5 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse5 c_~N~0) 0)) (< .cse5 0))) (forall ((v_subst_2 Int)) (= (select (let ((.cse6 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_370))) (store .cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse6) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) (and (or (<= 0 c_~N~0) (and (forall ((v_ArrVal_370 Int)) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse0 c_~N~0) 0) (forall ((v_subst_3 Int)) (= (select (let ((.cse1 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_370))) (store .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ c_~N~0 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= 0 .cse0)))) .cse2)) (or (and .cse2 (forall ((v_ArrVal_370 Int)) (let ((.cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse3 c_~N~0) 0) (<= 0 .cse3) (forall ((v_subst_1 Int)) (= (select (let ((.cse4 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_370))) (store .cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse4) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) (< c_~N~0 0)))) is different from false [2021-11-25 20:15:08,315 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_219| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_219| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (let ((.cse2 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse5 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse5 c_~N~0) 0)) (< .cse5 0))) (forall ((v_subst_2 Int)) (= (select (let ((.cse6 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse6) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) (and (or (<= 0 c_~N~0) (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse0) (forall ((v_subst_3 Int)) (= (select (let ((.cse1 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ c_~N~0 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (= (mod .cse0 c_~N~0) 0)))) .cse2)) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse3) (forall ((v_subst_1 Int)) (= (select (let ((.cse4 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse4) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (= (mod .cse3 c_~N~0) 0)))) .cse2) (< c_~N~0 0)))))) is different from false [2021-11-25 20:15:22,101 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_219| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_219| (+ 2 |c_ULTIMATE.start_main_~i~0#1|)) (let ((.cse29 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse0 (= (mod .cse29 c_~N~0) 0))) (let ((.cse10 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse30 (store (let ((.cse31 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse31) (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse31 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse30 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse30) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse32 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (let ((.cse33 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse33) (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse33 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= 0 (mod .cse32 c_~N~0))) (< .cse32 0)))))) (.cse15 (and (< .cse29 0) (not .cse0))) (.cse9 (<= 0 .cse29))) (and (or (<= 0 c_~N~0) (and (or .cse0 (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (let ((.cse2 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse2) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse2 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse1 0) (not (= (mod .cse1 c_~N~0) 0)))) (forall ((v_subst_2 Int)) (= (select (let ((.cse3 (store (let ((.cse4 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse4) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse4 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse3) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse5 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (let ((.cse8 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse8) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse8 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse5) (= (mod .cse5 c_~N~0) 0) (forall ((v_subst_3 Int)) (= (select (let ((.cse6 (store (let ((.cse7 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse7) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse7 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse6) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) .cse9) (or (and .cse10 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse13 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (let ((.cse14 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse14) (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse14 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (forall ((v_subst_3 Int)) (= (select (let ((.cse11 (store (let ((.cse12 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse12) (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse12 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse11 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ c_~N~0 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse11) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= 0 .cse13) (= 0 (mod .cse13 c_~N~0)))))) .cse15))) (or (and (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse18 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (let ((.cse19 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse19) (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse19 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (forall ((v_subst_1 Int)) (= (select (let ((.cse16 (store (let ((.cse17 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse17) (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse17 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (* c_~N~0 (- 1)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse16) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= 0 .cse18) (= 0 (mod .cse18 c_~N~0))))) .cse10) .cse15) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse20 (store (let ((.cse21 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse21) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse21 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse20 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse22 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (let ((.cse23 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse23) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse23 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse22 c_~N~0) 0)) (< .cse22 0))))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse24 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (let ((.cse28 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse28) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse28 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse24 c_~N~0) 0) (<= 0 .cse24) (forall ((v_subst_1 Int)) (= (select (let ((.cse26 (* c_~N~0 (- 1)))) (let ((.cse25 (store (let ((.cse27 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse27) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) .cse26)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse27 4) v_ArrVal_368)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) .cse26)))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) .cse0 .cse9)) (< c_~N~0 0)))))))) is different from false [2021-11-25 20:15:36,557 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_~i~0#1_219| Int)) (or (let ((.cse14 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse3 (= (mod .cse14 c_~N~0) 0))) (let ((.cse4 (<= 0 .cse14)) (.cse7 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse15 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse15 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse15) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse16 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse16 0) (not (= (mod .cse16 c_~N~0) 0))))))) (.cse8 (and (< .cse14 0) (not .cse3)))) (and (or (<= 0 c_~N~0) (and (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse0 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse0) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse1 c_~N~0) 0)) (< .cse1 0))))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse2 c_~N~0) 0) (<= 0 .cse2))))) .cse3 .cse4) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (forall ((v_subst_3 Int)) (= 0 (select (let ((.cse5 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ c_~N~0 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse5) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))) |c_ULTIMATE.start_main_~a~0#1.offset|))) (= (mod .cse6 c_~N~0) 0) (<= 0 .cse6)))) .cse7) .cse8))) (or (and (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse9 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse9 c_~N~0) 0) (<= 0 .cse9)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse10 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse10 c_~N~0) 0)) (< .cse10 0))) (forall ((v_subst_2 Int)) (= (select (let ((.cse11 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse11 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse11) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) .cse3 .cse4) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse13 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (forall ((v_subst_1 Int)) (= (select (let ((.cse12 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse12) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (= (mod .cse13 c_~N~0) 0) (<= 0 .cse13)))) .cse7) .cse8)) (< c_~N~0 0)))))) (< |v_ULTIMATE.start_main_~i~0#1_219| 2))) (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) is different from true [2021-11-25 20:15:58,635 WARN L227 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 136 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 20:17:06,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:17:06,625 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 20:17:06,625 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 1 [2021-11-25 20:17:06,632 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 14 not checked. [2021-11-25 20:17:06,632 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:17:06,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397295916] [2021-11-25 20:17:06,632 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:17:06,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551788965] [2021-11-25 20:17:06,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551788965] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:17:06,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [213365688] [2021-11-25 20:17:06,634 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-25 20:17:06,635 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:17:06,635 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:17:06,635 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:17:06,635 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:17:06,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:06,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:06,977 INFO L354 Elim1Store]: treesize reduction 62, result has 35.4 percent of original size [2021-11-25 20:17:06,977 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 3 case distinctions, treesize of input 27 treesize of output 55 [2021-11-25 20:17:06,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:07,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:07,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:07,323 INFO L354 Elim1Store]: treesize reduction 94, result has 27.7 percent of original size [2021-11-25 20:17:07,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 69 [2021-11-25 20:17:07,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:07,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 98 [2021-11-25 20:17:07,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:07,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 103 [2021-11-25 20:17:07,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:17:07,630 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-11-25 20:17:07,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 419 treesize of output 394 [2021-11-25 20:17:07,711 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 17 treesize of output 9 [2021-11-25 20:17:07,847 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-25 20:17:07,847 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 60 treesize of output 48 [2021-11-25 20:17:07,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:17:08,553 INFO L354 Elim1Store]: treesize reduction 108, result has 23.4 percent of original size [2021-11-25 20:17:08,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 149 treesize of output 149 [2021-11-25 20:17:08,944 INFO L354 Elim1Store]: treesize reduction 50, result has 29.6 percent of original size [2021-11-25 20:17:08,945 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 65 treesize of output 63 [2021-11-25 20:17:08,986 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:17:18,435 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1760#(and (<= 0 |#NULL.base|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= ~N~0 2147483647) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~#sum~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (ite (= |ULTIMATE.start_main_#t~mem11#1| 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~#sum~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))) |ULTIMATE.start_main_#t~mem11#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#sum~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2021-11-25 20:17:18,435 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:17:18,435 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:17:18,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-11-25 20:17:18,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793286632] [2021-11-25 20:17:18,436 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:17:18,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-25 20:17:18,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:17:18,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-25 20:17:18,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=542, Unknown=6, NotChecked=260, Total=930 [2021-11-25 20:17:18,438 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand has 26 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:17:25,322 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse53 (+ 2 |c_ULTIMATE.start_main_~i~0#1|)) (.cse54 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (and (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 4) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (<= c_~N~0 2147483647) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_219| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_219| 2) (let ((.cse44 (+ 2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse11 (= (mod .cse44 c_~N~0) 0))) (let ((.cse0 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse45 (select (select (let ((.cse48 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse47 (+ 2 (select .cse48 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse46 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse48 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse47)))) (store .cse46 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse46 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse47 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse45 0) (not (= (mod .cse45 c_~N~0) 0)))) (forall ((v_subst_2 Int)) (= (select (let ((.cse52 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse51 (+ 2 (select .cse52 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse52 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse51)))) (let ((.cse49 (store (store (store (select .cse50 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse51 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse49 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse50 |c_ULTIMATE.start_main_~a~0#1.base| .cse49) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) (.cse9 (and (not .cse11) (< .cse44 0))) (.cse10 (<= 0 .cse44))) (and (or (and (or (and .cse0 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse1 (select (select (let ((.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse7 (+ 2 (select .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse7)))) (store .cse6 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse6 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse7 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse1) (= (mod .cse1 c_~N~0) 0) (forall ((v_subst_1 Int)) (= (select (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse4 (+ 2 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse4)))) (let ((.cse2 (store (store (store (select .cse3 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse4 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store .cse3 |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) .cse9) (or .cse10 .cse11 (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse12 (select (select (let ((.cse15 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse14 (+ 2 (select .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse14)))) (store .cse13 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse13 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse14 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= 0 (mod .cse12 c_~N~0)) (<= 0 .cse12)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse19 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse18 (+ 2 (select .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse18)))) (let ((.cse16 (store (store (store (select .cse17 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse18 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse17 |c_ULTIMATE.start_main_~a~0#1.base| .cse16) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse20 (select (select (let ((.cse23 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse22 (+ 2 (select .cse23 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse23 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse22)))) (store .cse21 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse21 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse22 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse20 0) (not (= 0 (mod .cse20 c_~N~0)))))))))) (< c_~N~0 0)) (or (<= 0 c_~N~0) (and (or (and .cse0 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse24 (select (select (let ((.cse31 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse30 (+ 2 (select .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse30)))) (store .cse29 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse29 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse30 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse24) (= (mod .cse24 c_~N~0) 0) (forall ((v_subst_3 Int)) (= (select (let ((.cse28 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse27 (+ 2 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse26 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse27)))) (let ((.cse25 (store (store (store (select .cse26 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse27 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ (mod (select (select (store .cse26 |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) .cse9) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse32 (select (select (let ((.cse35 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse34 (+ 2 (select .cse35 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse35 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse34)))) (store .cse33 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse33 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ c_~N~0 (mod .cse34 c_~N~0))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse32 c_~N~0) 0) (<= 0 .cse32)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse39 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse38 (+ 2 (select .cse39 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse37 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse39 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse38)))) (let ((.cse36 (store (store (store (select .cse37 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ c_~N~0 (mod .cse38 c_~N~0))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse37 |c_ULTIMATE.start_main_~a~0#1.base| .cse36) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse40 (select (select (let ((.cse43 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse42 (+ 2 (select .cse43 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse41 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse42)))) (store .cse41 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse41 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ c_~N~0 (mod .cse42 c_~N~0))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse40 c_~N~0) 0)) (< .cse40 0)))))) .cse10 .cse11))))))))) (< .cse53 c_~N~0) (<= c_~N~0 .cse54)) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_219| Int)) (or (let ((.cse69 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse58 (= (mod .cse69 c_~N~0) 0))) (let ((.cse59 (<= 0 .cse69)) (.cse62 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse70 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse70 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse70) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse71 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse71 0) (not (= (mod .cse71 c_~N~0) 0))))))) (.cse63 (and (< .cse69 0) (not .cse58)))) (and (or (<= 0 c_~N~0) (and (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse55 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse55 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse55) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse56 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse56 c_~N~0) 0)) (< .cse56 0))))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse57 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse57 c_~N~0) 0) (<= 0 .cse57))))) .cse58 .cse59) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse61 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (forall ((v_subst_3 Int)) (= 0 (select (let ((.cse60 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse60 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ c_~N~0 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse60) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))) |c_ULTIMATE.start_main_~a~0#1.offset|))) (= (mod .cse61 c_~N~0) 0) (<= 0 .cse61)))) .cse62) .cse63))) (or (and (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse64 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse64 c_~N~0) 0) (<= 0 .cse64)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse65 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse65 c_~N~0) 0)) (< .cse65 0))) (forall ((v_subst_2 Int)) (= (select (let ((.cse66 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse66 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse66) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) .cse58 .cse59) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse68 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (forall ((v_subst_1 Int)) (= (select (let ((.cse67 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse67 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse67) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (= (mod .cse68 c_~N~0) 0) (<= 0 .cse68)))) .cse62) .cse63)) (< c_~N~0 0)))))) (< |v_ULTIMATE.start_main_~i~0#1_219| 2))) (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (< (+ |c_ULTIMATE.start_main_~a~0#1.base| 1) |c_ULTIMATE.start_main_~#sum~0#1.base|) (<= |c_ULTIMATE.start_main_~i~0#1| 4) (or (<= c_~N~0 .cse53) (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0) (forall ((|v_ULTIMATE.start_main_~i~0#1_219| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_219| 2) (let ((.cse116 (+ 3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse84 (= (mod .cse116 c_~N~0) 0))) (let ((.cse85 (<= 0 .cse116)) (.cse95 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse120 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse119 (+ 3 (select .cse120 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse118 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse120 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse119)))) (let ((.cse117 (store (store (store (select .cse118 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse119 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse117 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse118 |c_ULTIMATE.start_main_~a~0#1.base| .cse117) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse121 (select (select (let ((.cse124 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse123 (+ 3 (select .cse124 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse122 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse124 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse123)))) (store .cse122 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse122 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse123 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse121 0) (not (= 0 (mod .cse121 c_~N~0)))))))) (.cse86 (and (not .cse84) (< .cse116 0)))) (and (or (<= 0 c_~N~0) (and (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse72 (select (select (let ((.cse75 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse74 (+ 3 (select .cse75 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse73 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse75 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse74)))) (store .cse73 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse73 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse74 c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse72) (= (mod .cse72 c_~N~0) 0)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse76 (select (select (let ((.cse79 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse78 (+ 3 (select .cse79 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse77 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse79 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse78)))) (store .cse77 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse77 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse78 c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse76 0) (not (= (mod .cse76 c_~N~0) 0)))) (forall ((v_subst_2 Int)) (= (select (let ((.cse83 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse82 (+ 3 (select .cse83 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse81 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse83 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse82)))) (let ((.cse80 (store (store (store (select .cse81 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse82 c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse80 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse81 |c_ULTIMATE.start_main_~a~0#1.base| .cse80) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) .cse84 .cse85) (or .cse86 (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse91 (select (select (let ((.cse94 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse93 (+ 3 (select .cse94 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse92 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse94 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse93)))) (store .cse92 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse92 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse93 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (forall ((v_subst_3 Int)) (= (select (let ((.cse90 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse89 (+ 3 (select .cse90 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse88 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse90 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse89)))) (let ((.cse87 (store (store (store (select .cse88 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse89 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse87 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ c_~N~0 (mod (select (select (store .cse88 |c_ULTIMATE.start_main_~a~0#1.base| .cse87) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (= 0 (mod .cse91 c_~N~0)) (<= 0 .cse91)))) .cse95)))) (or (and (or .cse84 (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse96 (select (select (let ((.cse99 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse98 (+ 3 (select .cse99 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse97 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse99 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse98)))) (store .cse97 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse97 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse98 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse96 c_~N~0) 0)) (< .cse96 0))) (forall ((v_subst_2 Int)) (= (select (let ((.cse103 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse102 (+ 3 (select .cse103 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse101 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse103 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse102)))) (let ((.cse100 (store (store (store (select .cse101 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse102 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse100 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse101 |c_ULTIMATE.start_main_~a~0#1.base| .cse100) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse104 (select (select (let ((.cse107 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse106 (+ 3 (select .cse107 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse105 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse107 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse106)))) (store .cse105 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse105 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse106 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse104) (= (mod .cse104 c_~N~0) 0))))) .cse85) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse112 (select (select (let ((.cse115 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse114 (+ 3 (select .cse115 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse113 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse115 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse114)))) (store .cse113 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse113 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse114 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (forall ((v_subst_1 Int)) (= (select (let ((.cse111 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse110 (+ 3 (select .cse111 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse109 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse111 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse110)))) (let ((.cse108 (store (store (store (select .cse109 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse110 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse108 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (* c_~N~0 (- 1)) (mod (select (select (store .cse109 |c_ULTIMATE.start_main_~a~0#1.base| .cse108) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (= 0 (mod .cse112 c_~N~0)) (<= 0 .cse112)))) .cse95) .cse86)) (< c_~N~0 0))))))))) (< 3 c_~N~0) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_219| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_219| 2) (let ((.cse169 (+ (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse135 (= (mod .cse169 c_~N~0) 0))) (let ((.cse148 (<= 0 .cse169)) (.cse125 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse173 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse172 (+ (select .cse173 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse171 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse173 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse172)))) (let ((.cse170 (store (store (store (select .cse171 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse172 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse170 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse171 |c_ULTIMATE.start_main_~a~0#1.base| .cse170) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse174 (select (select (let ((.cse177 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse176 (+ (select .cse177 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse175 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse177 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse176)))) (store .cse175 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse175 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse176 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse174 0) (not (= (mod .cse174 c_~N~0) 0))))))) (.cse134 (and (not .cse135) (< .cse169 0)))) (and (or (<= 0 c_~N~0) (and (or (and .cse125 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse126 (select (select (let ((.cse133 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse132 (+ (select .cse133 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse131 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse133 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse132)))) (store .cse131 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse131 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse132 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse126 c_~N~0) 0) (<= 0 .cse126) (forall ((v_subst_3 Int)) (= (select (let ((.cse130 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse129 (+ (select .cse130 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse128 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse130 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse129)))) (let ((.cse127 (store (store (store (select .cse128 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse129 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse127 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ c_~N~0 (mod (select (select (store .cse128 |c_ULTIMATE.start_main_~a~0#1.base| .cse127) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) .cse134) (or .cse135 (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse136 (select (select (let ((.cse139 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse138 (+ (select .cse139 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse137 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse139 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse138)))) (store .cse137 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse137 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse138 c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse136 c_~N~0) 0) (<= 0 .cse136)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse140 (select (select (let ((.cse143 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse142 (+ (select .cse143 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse141 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse143 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse142)))) (store .cse141 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse141 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse142 c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse140 0) (not (= (mod .cse140 c_~N~0) 0)))) (forall ((v_subst_2 Int)) (= (select (let ((.cse147 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse146 (+ (select .cse147 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse145 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse147 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse146)))) (let ((.cse144 (store (store (store (select .cse145 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse146 c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse144 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse145 |c_ULTIMATE.start_main_~a~0#1.base| .cse144) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) .cse148))) (or (and (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse152 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse151 (+ (select .cse152 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse150 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse152 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse151)))) (let ((.cse149 (store (store (store (select .cse150 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse151 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse149 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse150 |c_ULTIMATE.start_main_~a~0#1.base| .cse149) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse153 (select (select (let ((.cse156 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse155 (+ (select .cse156 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse154 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse156 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse155)))) (store .cse154 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse154 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse155 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse153 0) (not (= (mod .cse153 c_~N~0) 0)))))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse157 (select (select (let ((.cse160 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse159 (+ (select .cse160 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse158 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse160 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse159)))) (store .cse158 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse158 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse159 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse157) (= (mod .cse157 c_~N~0) 0))))) .cse135 .cse148) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse161 (select (select (let ((.cse168 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse167 (+ (select .cse168 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse166 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse168 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse167)))) (store .cse166 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse166 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse167 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse161 c_~N~0) 0) (<= 0 .cse161) (forall ((v_subst_1 Int)) (= (select (let ((.cse165 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse164 (+ (select .cse165 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse163 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse165 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse164)))) (let ((.cse162 (store (store (store (select .cse163 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse164 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse162 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store .cse163 |c_ULTIMATE.start_main_~a~0#1.base| .cse162) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) .cse125) .cse134)) (< c_~N~0 0)))))))) (<= c_~N~0 |c_ULTIMATE.start_main_~i~0#1|) (< .cse54 c_~N~0)))) is different from true [2021-11-25 20:17:27,373 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse53 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (and (or (forall ((|v_ULTIMATE.start_main_~i~0#1_219| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_219| 2) (let ((.cse44 (+ 2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse11 (= (mod .cse44 c_~N~0) 0))) (let ((.cse0 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse45 (select (select (let ((.cse48 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse47 (+ 2 (select .cse48 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse46 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse48 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse47)))) (store .cse46 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse46 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse47 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse45 0) (not (= (mod .cse45 c_~N~0) 0)))) (forall ((v_subst_2 Int)) (= (select (let ((.cse52 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse51 (+ 2 (select .cse52 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse52 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse51)))) (let ((.cse49 (store (store (store (select .cse50 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse51 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse49 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse50 |c_ULTIMATE.start_main_~a~0#1.base| .cse49) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) (.cse9 (and (not .cse11) (< .cse44 0))) (.cse10 (<= 0 .cse44))) (and (or (and (or (and .cse0 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse1 (select (select (let ((.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse7 (+ 2 (select .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse7)))) (store .cse6 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse6 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse7 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse1) (= (mod .cse1 c_~N~0) 0) (forall ((v_subst_1 Int)) (= (select (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse4 (+ 2 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse4)))) (let ((.cse2 (store (store (store (select .cse3 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse4 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store .cse3 |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) .cse9) (or .cse10 .cse11 (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse12 (select (select (let ((.cse15 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse14 (+ 2 (select .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse14)))) (store .cse13 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse13 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse14 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= 0 (mod .cse12 c_~N~0)) (<= 0 .cse12)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse19 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse18 (+ 2 (select .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse18)))) (let ((.cse16 (store (store (store (select .cse17 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse18 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse17 |c_ULTIMATE.start_main_~a~0#1.base| .cse16) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse20 (select (select (let ((.cse23 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse22 (+ 2 (select .cse23 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse23 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse22)))) (store .cse21 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse21 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse22 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse20 0) (not (= 0 (mod .cse20 c_~N~0)))))))))) (< c_~N~0 0)) (or (<= 0 c_~N~0) (and (or (and .cse0 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse24 (select (select (let ((.cse31 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse30 (+ 2 (select .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse30)))) (store .cse29 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse29 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse30 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse24) (= (mod .cse24 c_~N~0) 0) (forall ((v_subst_3 Int)) (= (select (let ((.cse28 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse27 (+ 2 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse26 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse27)))) (let ((.cse25 (store (store (store (select .cse26 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse27 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ (mod (select (select (store .cse26 |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) .cse9) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse32 (select (select (let ((.cse35 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse34 (+ 2 (select .cse35 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse35 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse34)))) (store .cse33 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse33 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ c_~N~0 (mod .cse34 c_~N~0))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse32 c_~N~0) 0) (<= 0 .cse32)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse39 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse38 (+ 2 (select .cse39 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse37 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse39 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse38)))) (let ((.cse36 (store (store (store (select .cse37 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ c_~N~0 (mod .cse38 c_~N~0))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse37 |c_ULTIMATE.start_main_~a~0#1.base| .cse36) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse40 (select (select (let ((.cse43 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse42 (+ 2 (select .cse43 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (let ((.cse41 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse42)))) (store .cse41 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse41 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ c_~N~0 (mod .cse42 c_~N~0))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse40 c_~N~0) 0)) (< .cse40 0)))))) .cse10 .cse11))))))))) (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0) (<= c_~N~0 .cse53)) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_219| Int)) (or (let ((.cse68 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse57 (= (mod .cse68 c_~N~0) 0))) (let ((.cse58 (<= 0 .cse68)) (.cse61 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse69 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse69 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse69) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse70 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse70 0) (not (= (mod .cse70 c_~N~0) 0))))))) (.cse62 (and (< .cse68 0) (not .cse57)))) (and (or (<= 0 c_~N~0) (and (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse54 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse54 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse54) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse55 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse55 c_~N~0) 0)) (< .cse55 0))))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse56 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse56 c_~N~0) 0) (<= 0 .cse56))))) .cse57 .cse58) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse60 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (forall ((v_subst_3 Int)) (= 0 (select (let ((.cse59 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse59 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ c_~N~0 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse59) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))) |c_ULTIMATE.start_main_~a~0#1.offset|))) (= (mod .cse60 c_~N~0) 0) (<= 0 .cse60)))) .cse61) .cse62))) (or (and (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse63 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse63 c_~N~0) 0) (<= 0 .cse63)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse64 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse64 c_~N~0) 0)) (< .cse64 0))) (forall ((v_subst_2 Int)) (= (select (let ((.cse65 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse65 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse65) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) .cse57 .cse58) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse67 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (forall ((v_subst_1 Int)) (= (select (let ((.cse66 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse66 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse66) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (= (mod .cse67 c_~N~0) 0) (<= 0 .cse67)))) .cse61) .cse62)) (< c_~N~0 0)))))) (< |v_ULTIMATE.start_main_~i~0#1_219| 2))) (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_219| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_219| 2) (let ((.cse115 (+ (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse81 (= (mod .cse115 c_~N~0) 0))) (let ((.cse94 (<= 0 .cse115)) (.cse71 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse119 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse118 (+ (select .cse119 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse117 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse119 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse118)))) (let ((.cse116 (store (store (store (select .cse117 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse118 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse116 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse117 |c_ULTIMATE.start_main_~a~0#1.base| .cse116) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse120 (select (select (let ((.cse123 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse122 (+ (select .cse123 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse121 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse123 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse122)))) (store .cse121 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse121 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse122 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse120 0) (not (= (mod .cse120 c_~N~0) 0))))))) (.cse80 (and (not .cse81) (< .cse115 0)))) (and (or (<= 0 c_~N~0) (and (or (and .cse71 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse72 (select (select (let ((.cse79 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse78 (+ (select .cse79 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse77 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse79 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse78)))) (store .cse77 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse77 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse78 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse72 c_~N~0) 0) (<= 0 .cse72) (forall ((v_subst_3 Int)) (= (select (let ((.cse76 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse75 (+ (select .cse76 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse74 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse76 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse75)))) (let ((.cse73 (store (store (store (select .cse74 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse75 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse73 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ c_~N~0 (mod (select (select (store .cse74 |c_ULTIMATE.start_main_~a~0#1.base| .cse73) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) .cse80) (or .cse81 (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse82 (select (select (let ((.cse85 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse84 (+ (select .cse85 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse83 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse85 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse84)))) (store .cse83 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse83 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse84 c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse82 c_~N~0) 0) (<= 0 .cse82)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse86 (select (select (let ((.cse89 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse88 (+ (select .cse89 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse87 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse89 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse88)))) (store .cse87 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse87 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse88 c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse86 0) (not (= (mod .cse86 c_~N~0) 0)))) (forall ((v_subst_2 Int)) (= (select (let ((.cse93 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse92 (+ (select .cse93 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse91 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse93 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse92)))) (let ((.cse90 (store (store (store (select .cse91 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse92 c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse90 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse91 |c_ULTIMATE.start_main_~a~0#1.base| .cse90) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) .cse94))) (or (and (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse98 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse97 (+ (select .cse98 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse96 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse98 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse97)))) (let ((.cse95 (store (store (store (select .cse96 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse97 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse95 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse96 |c_ULTIMATE.start_main_~a~0#1.base| .cse95) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse99 (select (select (let ((.cse102 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse101 (+ (select .cse102 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse100 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse102 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse101)))) (store .cse100 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse100 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse101 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse99 0) (not (= (mod .cse99 c_~N~0) 0)))))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse103 (select (select (let ((.cse106 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse105 (+ (select .cse106 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse104 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse106 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse105)))) (store .cse104 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse104 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse105 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse103) (= (mod .cse103 c_~N~0) 0))))) .cse81 .cse94) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse107 (select (select (let ((.cse114 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse113 (+ (select .cse114 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse112 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse114 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse113)))) (store .cse112 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse112 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse113 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse107 c_~N~0) 0) (<= 0 .cse107) (forall ((v_subst_1 Int)) (= (select (let ((.cse111 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse110 (+ (select .cse111 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse109 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse111 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse110)))) (let ((.cse108 (store (store (store (select .cse109 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse110 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse108 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store .cse109 |c_ULTIMATE.start_main_~a~0#1.base| .cse108) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) .cse71) .cse80)) (< c_~N~0 0)))))))) (<= c_~N~0 |c_ULTIMATE.start_main_~i~0#1|) (< .cse53 c_~N~0)))) is different from true [2021-11-25 20:17:29,629 WARN L860 $PredicateComparison]: unable to prove that (and (or (forall ((|v_ULTIMATE.start_main_~i~0#1_219| Int)) (or (let ((.cse14 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse3 (= (mod .cse14 c_~N~0) 0))) (let ((.cse4 (<= 0 .cse14)) (.cse7 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse15 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse15 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse15) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse16 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse16 0) (not (= (mod .cse16 c_~N~0) 0))))))) (.cse8 (and (< .cse14 0) (not .cse3)))) (and (or (<= 0 c_~N~0) (and (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse0 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse0) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse1 c_~N~0) 0)) (< .cse1 0))))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse2 c_~N~0) 0) (<= 0 .cse2))))) .cse3 .cse4) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (forall ((v_subst_3 Int)) (= 0 (select (let ((.cse5 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ c_~N~0 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse5) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))) |c_ULTIMATE.start_main_~a~0#1.offset|))) (= (mod .cse6 c_~N~0) 0) (<= 0 .cse6)))) .cse7) .cse8))) (or (and (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse9 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse9 c_~N~0) 0) (<= 0 .cse9)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse10 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse10 c_~N~0) 0)) (< .cse10 0))) (forall ((v_subst_2 Int)) (= (select (let ((.cse11 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse11 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse11) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) .cse3 .cse4) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse13 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (forall ((v_subst_1 Int)) (= (select (let ((.cse12 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse12) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (= (mod .cse13 c_~N~0) 0) (<= 0 .cse13)))) .cse7) .cse8)) (< c_~N~0 0)))))) (< |v_ULTIMATE.start_main_~i~0#1_219| 2))) (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_219| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_219| 2) (let ((.cse61 (+ (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse27 (= (mod .cse61 c_~N~0) 0))) (let ((.cse40 (<= 0 .cse61)) (.cse17 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse65 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse64 (+ (select .cse65 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse63 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse64)))) (let ((.cse62 (store (store (store (select .cse63 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse64 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse62 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse63 |c_ULTIMATE.start_main_~a~0#1.base| .cse62) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse66 (select (select (let ((.cse69 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse68 (+ (select .cse69 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse67 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse69 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse68)))) (store .cse67 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse67 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse68 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse66 0) (not (= (mod .cse66 c_~N~0) 0))))))) (.cse26 (and (not .cse27) (< .cse61 0)))) (and (or (<= 0 c_~N~0) (and (or (and .cse17 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse18 (select (select (let ((.cse25 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse24 (+ (select .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse24)))) (store .cse23 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse23 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse24 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse18 c_~N~0) 0) (<= 0 .cse18) (forall ((v_subst_3 Int)) (= (select (let ((.cse22 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse21 (+ (select .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse20 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse21)))) (let ((.cse19 (store (store (store (select .cse20 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse21 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse19 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ c_~N~0 (mod (select (select (store .cse20 |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) .cse26) (or .cse27 (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse28 (select (select (let ((.cse31 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse30 (+ (select .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse30)))) (store .cse29 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse29 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse30 c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse28 c_~N~0) 0) (<= 0 .cse28)))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse32 (select (select (let ((.cse35 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse34 (+ (select .cse35 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse35 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse34)))) (store .cse33 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse33 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse34 c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse32 0) (not (= (mod .cse32 c_~N~0) 0)))) (forall ((v_subst_2 Int)) (= (select (let ((.cse39 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse38 (+ (select .cse39 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse37 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse39 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse38)))) (let ((.cse36 (store (store (store (select .cse37 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse38 c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse37 |c_ULTIMATE.start_main_~a~0#1.base| .cse36) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) .cse40))) (or (and (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (forall ((v_subst_2 Int)) (= (select (let ((.cse44 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse43 (+ (select .cse44 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse42 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse44 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse43)))) (let ((.cse41 (store (store (store (select .cse42 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse43 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse41 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store .cse42 |c_ULTIMATE.start_main_~a~0#1.base| .cse41) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (let ((.cse45 (select (select (let ((.cse48 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse47 (+ (select .cse48 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse46 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse48 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse47)))) (store .cse46 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse46 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse47 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< .cse45 0) (not (= (mod .cse45 c_~N~0) 0)))))) (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse49 (select (select (let ((.cse52 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse51 (+ (select .cse52 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse52 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse51)))) (store .cse50 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse50 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (mod .cse51 c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse49) (= (mod .cse49 c_~N~0) 0))))) .cse27 .cse40) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse53 (select (select (let ((.cse60 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse59 (+ (select .cse60 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse60 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse59)))) (store .cse58 |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (select .cse58 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse59 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse53 c_~N~0) 0) (<= 0 .cse53) (forall ((v_subst_1 Int)) (= (select (let ((.cse57 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse56 (+ (select .cse57 |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) (let ((.cse55 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse57 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse56)))) (let ((.cse54 (store (store (store (select .cse55 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| (mod .cse56 c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse54 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store .cse55 |c_ULTIMATE.start_main_~a~0#1.base| .cse54) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) .cse17) .cse26)) (< c_~N~0 0)))))))) (<= c_~N~0 |c_ULTIMATE.start_main_~i~0#1|) (< (+ |c_ULTIMATE.start_main_~i~0#1| 1) c_~N~0))) is different from true [2021-11-25 20:17:31,659 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (= .cse0 4) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (forall ((|v_ULTIMATE.start_main_~i~0#1_219| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_219| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (let ((.cse3 (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (or (let ((.cse6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse6 c_~N~0) 0)) (< .cse6 0))) (forall ((v_subst_2 Int)) (= (select (let ((.cse7 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse7) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) (and (or (<= 0 c_~N~0) (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse1) (forall ((v_subst_3 Int)) (= (select (let ((.cse2 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ c_~N~0 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (= (mod .cse1 c_~N~0) 0)))) .cse3)) (or (and (forall ((v_ArrVal_368 Int) (v_ArrVal_370 Int)) (let ((.cse4 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (<= 0 .cse4) (forall ((v_subst_1 Int)) (= (select (let ((.cse5 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_368) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_219| 4)) v_ArrVal_370))) (store .cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse5) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (= (mod .cse4 c_~N~0) 0)))) .cse3) (< c_~N~0 0)))))) (<= c_~N~0 4) (= |c_ULTIMATE.start_main_~i~0#1| 1) (< (+ |c_ULTIMATE.start_main_~a~0#1.base| 1) |c_ULTIMATE.start_main_~#sum~0#1.base|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 4) (* |c_ULTIMATE.start_main_~i~0#1| 4))) (mod .cse0 c_~N~0)) (< 3 c_~N~0))) is different from false [2021-11-25 20:17:33,684 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse2 (forall ((v_ArrVal_370 Int)) (or (let ((.cse6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= (mod .cse6 c_~N~0) 0)) (< .cse6 0))) (forall ((v_subst_2 Int)) (= (select (let ((.cse7 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_370))) (store .cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_2 4)) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse7) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) (and (or (<= 0 c_~N~0) (and (forall ((v_ArrVal_370 Int)) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse0 c_~N~0) 0) (forall ((v_subst_3 Int)) (= (select (let ((.cse1 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_370))) (store .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_3 4)) (+ c_~N~0 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= 0 .cse0)))) .cse2)) (= .cse3 4) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (<= c_~N~0 4) (< (+ |c_ULTIMATE.start_main_~a~0#1.base| 1) |c_ULTIMATE.start_main_~#sum~0#1.base|) (< 3 c_~N~0) (<= 2 |c_ULTIMATE.start_main_~i~0#1|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (mod .cse3 c_~N~0)) (or (and .cse2 (forall ((v_ArrVal_370 Int)) (let ((.cse4 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_370)) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (or (= (mod .cse4 c_~N~0) 0) (<= 0 .cse4) (forall ((v_subst_1 Int)) (= (select (let ((.cse5 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_370))) (store .cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* v_subst_1 4)) (+ (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse5) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))) (< c_~N~0 0)))) is different from false [2021-11-25 20:17:35,710 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse4 (mod .cse0 c_~N~0))) (let ((.cse1 (= .cse4 0))) (let ((.cse2 (<= 0 .cse0)) (.cse3 (or (and (< .cse0 0) (not .cse1)) (forall ((|ULTIMATE.start_main_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4)) (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) (and (= .cse0 4) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (<= c_~N~0 4) (< (+ |c_ULTIMATE.start_main_~a~0#1.base| 1) |c_ULTIMATE.start_main_~#sum~0#1.base|) (or (<= 0 c_~N~0) (and (or (forall ((|ULTIMATE.start_main_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4)) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) .cse1 .cse2) .cse3)) (< 3 c_~N~0) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse4) (or (and (or .cse1 .cse2 (forall ((|ULTIMATE.start_main_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4)) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) .cse3) (< c_~N~0 0))))))) is different from false [2021-11-25 20:17:43,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:17:43,931 INFO L93 Difference]: Finished difference Result 62 states and 79 transitions. [2021-11-25 20:17:43,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-25 20:17:43,932 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-25 20:17:43,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:17:43,933 INFO L225 Difference]: With dead ends: 62 [2021-11-25 20:17:43,933 INFO L226 Difference]: Without dead ends: 60 [2021-11-25 20:17:43,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 8 SyntacticMatches, 9 SemanticMatches, 39 ConstructedPredicates, 11 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 81.0s TimeCoverageRelationStatistics Valid=158, Invalid=744, Unknown=12, NotChecked=726, Total=1640 [2021-11-25 20:17:43,935 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 12 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 124 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:17:43,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 66 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 124 Unchecked, 0.3s Time] [2021-11-25 20:17:43,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-11-25 20:17:43,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 42. [2021-11-25 20:17:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:17:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2021-11-25 20:17:43,955 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 15 [2021-11-25 20:17:43,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:17:43,955 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2021-11-25 20:17:43,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:17:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2021-11-25 20:17:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 20:17:43,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:17:43,958 INFO L514 BasicCegarLoop]: trace histogram [6, 3, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:17:43,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-25 20:17:44,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:17:44,159 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:17:44,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:17:44,159 INFO L85 PathProgramCache]: Analyzing trace with hash 70178688, now seen corresponding path program 9 times [2021-11-25 20:17:44,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:17:44,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138863703] [2021-11-25 20:17:44,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:17:44,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:17:44,191 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:17:44,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [378020837] [2021-11-25 20:17:44,192 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 20:17:44,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:17:44,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:17:44,193 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:17:44,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-25 20:17:44,293 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 20:17:44,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 20:17:44,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 20:17:44,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:17:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:17:44,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:17:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:17:45,330 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:17:45,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138863703] [2021-11-25 20:17:45,331 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:17:45,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378020837] [2021-11-25 20:17:45,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378020837] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:17:45,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1551850425] [2021-11-25 20:17:45,334 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-25 20:17:45,334 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:17:45,335 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:17:45,335 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:17:45,335 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:17:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:45,628 INFO L354 Elim1Store]: treesize reduction 62, result has 35.4 percent of original size [2021-11-25 20:17:45,629 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 3 case distinctions, treesize of input 27 treesize of output 55 [2021-11-25 20:17:45,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:45,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:45,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:45,968 INFO L354 Elim1Store]: treesize reduction 94, result has 27.7 percent of original size [2021-11-25 20:17:45,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 69 [2021-11-25 20:17:45,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:45,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 98 [2021-11-25 20:17:46,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:46,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 103 [2021-11-25 20:17:46,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:17:46,237 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-11-25 20:17:46,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 419 treesize of output 394 [2021-11-25 20:17:46,335 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 17 treesize of output 9 [2021-11-25 20:17:46,492 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-25 20:17:46,492 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 60 treesize of output 48 [2021-11-25 20:17:46,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:17:46,948 INFO L354 Elim1Store]: treesize reduction 108, result has 23.4 percent of original size [2021-11-25 20:17:46,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 149 treesize of output 149 [2021-11-25 20:17:47,407 INFO L354 Elim1Store]: treesize reduction 50, result has 29.6 percent of original size [2021-11-25 20:17:47,407 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 65 treesize of output 63 [2021-11-25 20:17:47,451 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:17:48,992 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2077#(and (<= 0 |#NULL.base|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= ~N~0 2147483647) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~#sum~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (ite (= |ULTIMATE.start_main_#t~mem11#1| 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~#sum~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))) |ULTIMATE.start_main_#t~mem11#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#sum~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2021-11-25 20:17:48,992 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:17:48,993 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:17:48,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2021-11-25 20:17:48,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484410335] [2021-11-25 20:17:48,993 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:17:48,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-25 20:17:48,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:17:48,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-25 20:17:48,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2021-11-25 20:17:48,995 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:17:51,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:17:51,523 INFO L93 Difference]: Finished difference Result 121 states and 141 transitions. [2021-11-25 20:17:51,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 20:17:51,524 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-25 20:17:51,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:17:51,525 INFO L225 Difference]: With dead ends: 121 [2021-11-25 20:17:51,525 INFO L226 Difference]: Without dead ends: 109 [2021-11-25 20:17:51,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=376, Invalid=1346, Unknown=0, NotChecked=0, Total=1722 [2021-11-25 20:17:51,527 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 113 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:17:51,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 222 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 20:17:51,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-25 20:17:51,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 36. [2021-11-25 20:17:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:17:51,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2021-11-25 20:17:51,554 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 16 [2021-11-25 20:17:51,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:17:51,555 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2021-11-25 20:17:51,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:17:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2021-11-25 20:17:51,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 20:17:51,556 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:17:51,556 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:17:51,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-25 20:17:51,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-25 20:17:51,773 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:17:51,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:17:51,773 INFO L85 PathProgramCache]: Analyzing trace with hash -268510816, now seen corresponding path program 10 times [2021-11-25 20:17:51,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:17:51,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623971396] [2021-11-25 20:17:51,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:17:51,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:17:51,798 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:17:51,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2128693138] [2021-11-25 20:17:51,799 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-25 20:17:51,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:17:51,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:17:51,812 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:17:51,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-25 20:17:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:17:51,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 20:17:51,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:17:52,379 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:17:52,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:17:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:17:52,784 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:17:52,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623971396] [2021-11-25 20:17:52,784 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:17:52,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128693138] [2021-11-25 20:17:52,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128693138] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:17:52,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1857583625] [2021-11-25 20:17:52,786 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-25 20:17:52,786 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:17:52,787 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:17:52,787 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:17:52,787 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:17:52,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:52,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:53,064 INFO L354 Elim1Store]: treesize reduction 62, result has 35.4 percent of original size [2021-11-25 20:17:53,065 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 3 case distinctions, treesize of input 27 treesize of output 55 [2021-11-25 20:17:53,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:53,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:53,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:53,402 INFO L354 Elim1Store]: treesize reduction 94, result has 27.7 percent of original size [2021-11-25 20:17:53,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 69 [2021-11-25 20:17:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:53,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 98 [2021-11-25 20:17:53,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:53,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 103 [2021-11-25 20:17:53,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:17:53,659 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-11-25 20:17:53,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 419 treesize of output 394 [2021-11-25 20:17:53,737 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 17 treesize of output 9 [2021-11-25 20:17:53,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:17:53,920 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-25 20:17:53,921 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 65 treesize of output 53 [2021-11-25 20:17:54,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:54,396 INFO L354 Elim1Store]: treesize reduction 67, result has 23.9 percent of original size [2021-11-25 20:17:54,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 151 treesize of output 147 [2021-11-25 20:17:54,755 INFO L354 Elim1Store]: treesize reduction 50, result has 29.6 percent of original size [2021-11-25 20:17:54,755 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 65 treesize of output 63 [2021-11-25 20:17:54,798 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:17:56,601 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2464#(and (<= 0 |#NULL.base|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= ~N~0 2147483647) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~#sum~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (ite (= |ULTIMATE.start_main_#t~mem11#1| 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~#sum~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))) |ULTIMATE.start_main_#t~mem11#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#sum~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2021-11-25 20:17:56,602 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:17:56,602 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:17:56,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-11-25 20:17:56,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855425750] [2021-11-25 20:17:56,602 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:17:56,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-25 20:17:56,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:17:56,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-25 20:17:56,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2021-11-25 20:17:56,604 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:17:57,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:17:57,812 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2021-11-25 20:17:57,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 20:17:57,812 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-25 20:17:57,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:17:57,813 INFO L225 Difference]: With dead ends: 100 [2021-11-25 20:17:57,814 INFO L226 Difference]: Without dead ends: 87 [2021-11-25 20:17:57,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 20 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=212, Invalid=718, Unknown=0, NotChecked=0, Total=930 [2021-11-25 20:17:57,815 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 122 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:17:57,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 73 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 20:17:57,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-25 20:17:57,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 51. [2021-11-25 20:17:57,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.18) internal successors, (59), 50 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:17:57,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2021-11-25 20:17:57,856 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 16 [2021-11-25 20:17:57,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:17:57,856 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2021-11-25 20:17:57,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:17:57,856 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2021-11-25 20:17:57,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 20:17:57,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:17:57,857 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:17:57,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-25 20:17:58,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-25 20:17:58,058 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:17:58,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:17:58,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1973337020, now seen corresponding path program 11 times [2021-11-25 20:17:58,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:17:58,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806799162] [2021-11-25 20:17:58,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:17:58,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:17:58,081 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:17:58,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1696234328] [2021-11-25 20:17:58,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 20:17:58,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:17:58,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:17:58,101 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:17:58,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-25 20:17:58,248 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-25 20:17:58,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 20:17:58,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-25 20:17:58,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:17:58,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:17:58,429 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 25 treesize of output 13 [2021-11-25 20:17:58,561 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 25 treesize of output 13 [2021-11-25 20:17:58,655 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 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-25 20:17:58,803 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 25 treesize of output 13 [2021-11-25 20:17:58,915 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 25 treesize of output 13 [2021-11-25 20:17:59,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:59,245 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 25 treesize of output 20 [2021-11-25 20:17:59,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:59,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:59,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-25 20:17:59,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:59,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:17:59,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-11-25 20:18:00,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:00,099 INFO L354 Elim1Store]: treesize reduction 19, result has 40.6 percent of original size [2021-11-25 20:18:00,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2021-11-25 20:18:00,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:00,718 INFO L354 Elim1Store]: treesize reduction 19, result has 40.6 percent of original size [2021-11-25 20:18:00,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 44 [2021-11-25 20:18:01,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:01,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-11-25 20:18:02,010 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:18:02,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:18:04,654 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~i~0#1| Int) (|v_ULTIMATE.start_main_~i~0#1_309| Int) (v_ArrVal_549 Int) (v_ArrVal_547 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_309| 1) c_~N~0) (< (+ |ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_309|) (= (select (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_547) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_309| 4)) v_ArrVal_549) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) is different from false [2021-11-25 20:18:06,737 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_544 Int) (|v_ULTIMATE.start_main_~i~0#1_311| Int) (|v_ULTIMATE.start_main_~i~0#1_309| Int) (v_ArrVal_549 Int) (v_ArrVal_547 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_311| 1) |v_ULTIMATE.start_main_~i~0#1_309|) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_544) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_311| 4)) v_ArrVal_547) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_309| 4)) v_ArrVal_549) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< (+ |v_ULTIMATE.start_main_~i~0#1_309| 1) c_~N~0))) is different from false [2021-11-25 20:18:08,924 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_312| Int) (v_ArrVal_544 Int) (|v_ULTIMATE.start_main_~i~0#1_311| Int) (v_ArrVal_542 Int) (|v_ULTIMATE.start_main_~i~0#1_309| Int) (v_ArrVal_549 Int) (v_ArrVal_547 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_311| 1) |v_ULTIMATE.start_main_~i~0#1_309|) (< (+ |v_ULTIMATE.start_main_~i~0#1_309| 1) c_~N~0) (= (select (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_542) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_312| 4)) v_ArrVal_544) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_311| 4)) v_ArrVal_547) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_309| 4)) v_ArrVal_549) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< |v_ULTIMATE.start_main_~i~0#1_312| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-11-25 20:18:26,240 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_312| Int) (|v_ULTIMATE.start_main_~i~0#1_311| Int) (|v_ULTIMATE.start_main_~i~0#1_313| Int) (|v_ULTIMATE.start_main_~i~0#1_309| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_313| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (< (+ |v_ULTIMATE.start_main_~i~0#1_311| 1) |v_ULTIMATE.start_main_~i~0#1_309|) (< (+ |v_ULTIMATE.start_main_~i~0#1_309| 1) c_~N~0) (< |v_ULTIMATE.start_main_~i~0#1_312| (+ |v_ULTIMATE.start_main_~i~0#1_313| 1)) (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse0 (= (mod .cse3 c_~N~0) 0))) (let ((.cse1 (<= 0 .cse3)) (.cse2 (or (forall ((v_ArrVal_544 Int) (v_ArrVal_542 Int) (v_ArrVal_549 Int) (v_ArrVal_547 Int)) (= (select (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_313| 4)) v_ArrVal_542) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_312| 4)) v_ArrVal_544) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_311| 4)) v_ArrVal_547) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_309| 4)) v_ArrVal_549) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (and (< .cse3 0) (not .cse0))))) (and (or (<= 0 c_~N~0) (and (or (forall ((v_ArrVal_544 Int) (v_ArrVal_542 Int) (v_ArrVal_549 Int) (v_ArrVal_547 Int)) (= (select (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) c_~N~0)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_313| 4)) v_ArrVal_542) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_312| 4)) v_ArrVal_544) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_311| 4)) v_ArrVal_547) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_309| 4)) v_ArrVal_549) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) .cse0 .cse1) .cse2)) (or (and (or .cse0 .cse1 (forall ((v_ArrVal_544 Int) (v_ArrVal_542 Int) (v_ArrVal_549 Int) (v_ArrVal_547 Int)) (= (select (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_313| 4)) v_ArrVal_542) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_312| 4)) v_ArrVal_544) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_311| 4)) v_ArrVal_547) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_309| 4)) v_ArrVal_549) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) .cse2) (< c_~N~0 0)))))))) is different from false [2021-11-25 20:20:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 14 not checked. [2021-11-25 20:20:08,832 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:20:08,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806799162] [2021-11-25 20:20:08,833 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:20:08,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696234328] [2021-11-25 20:20:08,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696234328] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:20:08,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [211498631] [2021-11-25 20:20:08,837 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-25 20:20:08,837 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:20:08,837 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:20:08,837 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:20:08,838 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:20:08,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:08,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:09,135 INFO L354 Elim1Store]: treesize reduction 62, result has 35.4 percent of original size [2021-11-25 20:20:09,136 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 3 case distinctions, treesize of input 27 treesize of output 55 [2021-11-25 20:20:09,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:09,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:09,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:09,525 INFO L354 Elim1Store]: treesize reduction 94, result has 27.7 percent of original size [2021-11-25 20:20:09,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 69 [2021-11-25 20:20:09,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:09,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 98 [2021-11-25 20:20:09,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:09,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 103 [2021-11-25 20:20:09,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:20:09,848 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-11-25 20:20:09,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 419 treesize of output 394 [2021-11-25 20:20:09,926 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 17 treesize of output 9 [2021-11-25 20:20:09,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:20:10,091 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-25 20:20:10,091 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 65 treesize of output 53 [2021-11-25 20:20:10,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:20:10,616 INFO L354 Elim1Store]: treesize reduction 67, result has 23.9 percent of original size [2021-11-25 20:20:10,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 151 treesize of output 147 [2021-11-25 20:20:10,993 INFO L354 Elim1Store]: treesize reduction 50, result has 29.6 percent of original size [2021-11-25 20:20:10,994 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 65 treesize of output 63 [2021-11-25 20:20:11,055 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:20:14,257 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2845#(and (<= 0 |#NULL.base|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= ~N~0 2147483647) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~#sum~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (ite (= |ULTIMATE.start_main_#t~mem11#1| 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~#sum~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))) |ULTIMATE.start_main_#t~mem11#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#sum~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2021-11-25 20:20:14,257 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:20:14,257 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:20:14,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-11-25 20:20:14,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40006912] [2021-11-25 20:20:14,258 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:20:14,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-25 20:20:14,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:20:14,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-25 20:20:14,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=744, Unknown=5, NotChecked=236, Total=1122 [2021-11-25 20:20:14,260 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 29 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 29 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:20:21,853 WARN L227 SmtUtils]: Spent 6.46s on a formula simplification that was a NOOP. DAG size: 249 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 20:20:40,954 WARN L227 SmtUtils]: Spent 12.84s on a formula simplification that was a NOOP. DAG size: 237 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 20:20:58,516 WARN L227 SmtUtils]: Spent 12.59s on a formula simplification that was a NOOP. DAG size: 186 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 20:21:13,883 WARN L227 SmtUtils]: Spent 15.11s on a formula simplification. DAG size of input: 56 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 20:21:28,811 WARN L227 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 20:21:31,270 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~i~0#1| Int) (|v_ULTIMATE.start_main_~i~0#1_309| Int) (v_ArrVal_549 Int) (v_ArrVal_547 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_309| 1) c_~N~0) (< (+ |ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_309|) (= (select (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_547) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_309| 4)) v_ArrVal_549) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~#sum~0#1.base| Int) (|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (let ((.cse0 (select (select |c_#memory_int| |ULTIMATE.start_main_~#sum~0#1.base|) |ULTIMATE.start_main_~#sum~0#1.offset|))) (and (< (+ |c_ULTIMATE.start_main_~a~0#1.base| 1) |ULTIMATE.start_main_~#sum~0#1.base|) (= 5 .cse0) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (mod .cse0 c_~N~0))))) (< 4 c_~N~0) (<= 2 |c_ULTIMATE.start_main_~i~0#1|) (<= c_~N~0 5)) is different from false [2021-11-25 20:21:31,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:21:31,894 INFO L93 Difference]: Finished difference Result 74 states and 90 transitions. [2021-11-25 20:21:31,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-25 20:21:31,895 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 29 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 20:21:31,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:21:31,896 INFO L225 Difference]: With dead ends: 74 [2021-11-25 20:21:31,896 INFO L226 Difference]: Without dead ends: 72 [2021-11-25 20:21:31,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 10 SyntacticMatches, 8 SemanticMatches, 43 ConstructedPredicates, 5 IntricatePredicates, 2 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 107.0s TimeCoverageRelationStatistics Valid=228, Invalid=1340, Unknown=12, NotChecked=400, Total=1980 [2021-11-25 20:21:31,898 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 141 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:21:31,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 54 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 141 Unchecked, 0.2s Time] [2021-11-25 20:21:31,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-11-25 20:21:31,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 56. [2021-11-25 20:21:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:21:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 67 transitions. [2021-11-25 20:21:31,938 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 67 transitions. Word has length 17 [2021-11-25 20:21:31,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:21:31,939 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 67 transitions. [2021-11-25 20:21:31,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 29 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:21:31,939 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2021-11-25 20:21:31,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 20:21:31,940 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:21:31,940 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:21:31,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-25 20:21:32,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:21:32,147 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:21:32,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:21:32,147 INFO L85 PathProgramCache]: Analyzing trace with hash -935306789, now seen corresponding path program 2 times [2021-11-25 20:21:32,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:21:32,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921160410] [2021-11-25 20:21:32,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:32,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:21:32,168 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:21:32,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965277503] [2021-11-25 20:21:32,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 20:21:32,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:21:32,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:21:32,172 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:21:32,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-25 20:21:32,263 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-25 20:21:32,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 20:21:32,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-25 20:21:32,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:21:32,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:21:32,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 20:21:32,419 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 28 treesize of output 16 [2021-11-25 20:21:32,510 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 28 treesize of output 16 [2021-11-25 20:21:32,616 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 28 treesize of output 16 [2021-11-25 20:21:32,736 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 28 treesize of output 16 [2021-11-25 20:21:32,958 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 25 treesize of output 20 [2021-11-25 20:21:33,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:33,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2021-11-25 20:21:33,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:33,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:33,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:33,581 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 0 case distinctions, treesize of input 51 treesize of output 48 [2021-11-25 20:21:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:21:34,069 INFO L354 Elim1Store]: treesize reduction 42, result has 40.8 percent of original size [2021-11-25 20:21:34,069 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 2 case distinctions, treesize of input 51 treesize of output 60 [2021-11-25 20:21:37,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 33 [2021-11-25 20:21:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:21:37,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:22:45,240 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 14 refuted. 5 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:22:45,240 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:45,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921160410] [2021-11-25 20:22:45,240 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:22:45,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965277503] [2021-11-25 20:22:45,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965277503] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:22:45,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [632452667] [2021-11-25 20:22:45,242 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-25 20:22:45,242 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:22:45,242 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:22:45,242 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:22:45,243 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:22:45,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:45,351 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:22:45,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 102 [2021-11-25 20:22:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:45,709 INFO L354 Elim1Store]: treesize reduction 94, result has 27.7 percent of original size [2021-11-25 20:22:45,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 69 [2021-11-25 20:22:45,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:45,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:45,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 20:22:45,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:45,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 103 [2021-11-25 20:22:45,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:22:46,063 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-11-25 20:22:46,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 419 treesize of output 394 [2021-11-25 20:22:46,171 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 17 treesize of output 9 [2021-11-25 20:22:46,295 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-25 20:22:46,296 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 60 treesize of output 48 [2021-11-25 20:22:46,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:22:47,113 INFO L354 Elim1Store]: treesize reduction 108, result has 23.4 percent of original size [2021-11-25 20:22:47,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 149 treesize of output 149 [2021-11-25 20:22:47,623 INFO L354 Elim1Store]: treesize reduction 50, result has 29.6 percent of original size [2021-11-25 20:22:47,623 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 65 treesize of output 63 [2021-11-25 20:22:47,739 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:22:51,638 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3227#(and (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= ~N~0 2147483647) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~#sum~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (ite (= |ULTIMATE.start_main_#t~mem11#1| 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~#sum~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))) |ULTIMATE.start_main_#t~mem11#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#sum~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2021-11-25 20:22:51,638 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:22:51,639 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:22:51,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-11-25 20:22:51,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741932905] [2021-11-25 20:22:51,640 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 20:22:51,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-25 20:22:51,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:51,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-25 20:22:51,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1019, Unknown=20, NotChecked=0, Total=1260 [2021-11-25 20:22:51,642 INFO L87 Difference]: Start difference. First operand 56 states and 67 transitions. Second operand has 31 states, 31 states have (on average 1.064516129032258) internal successors, (33), 31 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:24:15,342 WARN L227 SmtUtils]: Spent 40.61s on a formula simplification. DAG size of input: 87 DAG size of output: 84 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 20:24:17,352 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (<= c_~N~0 1))) (and (exists ((|ULTIMATE.start_main_~#sum~0#1.base| Int) (|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (let ((.cse3 (select (select |c_#memory_int| |ULTIMATE.start_main_~#sum~0#1.base|) |ULTIMATE.start_main_~#sum~0#1.offset|))) (and (not (= |ULTIMATE.start_main_~#sum~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse1 (mod .cse3 c_~N~0))) (let ((.cse0 (= (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse1))) (or (and (<= |c_ULTIMATE.start_main_~i~0#1| 2) .cse0) (and (= .cse1 (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) (or .cse0 (<= |c_ULTIMATE.start_main_~i~0#1| 1)))))) (<= 4 .cse3)))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_343| Int) (v_ArrVal_614 Int) (v_ArrVal_612 Int)) (let ((.cse4 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_612) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_343| 4)) v_ArrVal_614))) (or (not (= (select .cse4 |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (= (select .cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)) 0) (< (+ |v_ULTIMATE.start_main_~i~0#1_343| 1) c_~N~0)))) .cse5) (or .cse5 (forall ((|v_ULTIMATE.start_main_~i~0#1_344| Int) (|v_ULTIMATE.start_main_~i~0#1_343| Int)) (or (let ((.cse7 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse8 (= (mod .cse7 c_~N~0) 0))) (and (or (forall ((v_ArrVal_614 Int) (v_ArrVal_612 Int)) (let ((.cse6 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0)) (+ (* |v_ULTIMATE.start_main_~i~0#1_344| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_612) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_343| 4)) v_ArrVal_614))) (or (not (= (select .cse6 |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (= (select .cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)) 0)))) (and (< .cse7 0) (not .cse8))) (or (forall ((v_ArrVal_614 Int) (v_ArrVal_612 Int)) (let ((.cse9 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) (+ (mod (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) c_~N~0) (* c_~N~0 (- 1)))) (+ (* |v_ULTIMATE.start_main_~i~0#1_344| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_612) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_343| 4)) v_ArrVal_614))) (or (= (select .cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)) 0) (not (= (select .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) .cse8 (<= 0 .cse7))))) (< (+ |v_ULTIMATE.start_main_~i~0#1_343| 1) c_~N~0) (< |v_ULTIMATE.start_main_~i~0#1_344| (+ |c_ULTIMATE.start_main_~i~0#1| 1))))) (< 3 c_~N~0))) is different from false [2021-11-25 20:24:24,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:24:24,486 INFO L93 Difference]: Finished difference Result 69 states and 82 transitions. [2021-11-25 20:24:24,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-25 20:24:24,488 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.064516129032258) internal successors, (33), 31 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-25 20:24:24,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:24:24,490 INFO L225 Difference]: With dead ends: 69 [2021-11-25 20:24:24,490 INFO L226 Difference]: Without dead ends: 67 [2021-11-25 20:24:24,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 10 SyntacticMatches, 8 SemanticMatches, 41 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 771 ImplicationChecksByTransitivity, 152.3s TimeCoverageRelationStatistics Valid=298, Invalid=1384, Unknown=44, NotChecked=80, Total=1806 [2021-11-25 20:24:24,493 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 13 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 74 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:24:24,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 17 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 74 Unchecked, 0.3s Time] [2021-11-25 20:24:24,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-11-25 20:24:24,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2021-11-25 20:24:24,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 62 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:24:24,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 76 transitions. [2021-11-25 20:24:24,530 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 76 transitions. Word has length 18 [2021-11-25 20:24:24,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:24:24,530 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 76 transitions. [2021-11-25 20:24:24,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.064516129032258) internal successors, (33), 31 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:24:24,531 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2021-11-25 20:24:24,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 20:24:24,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:24:24,532 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:24:24,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-11-25 20:24:24,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-25 20:24:24,737 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:24:24,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:24:24,738 INFO L85 PathProgramCache]: Analyzing trace with hash -622221299, now seen corresponding path program 12 times [2021-11-25 20:24:24,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:24:24,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496758069] [2021-11-25 20:24:24,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:24,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:24:24,755 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:24:24,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1372799316] [2021-11-25 20:24:24,755 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 20:24:24,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:24:24,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:24:24,777 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:24:24,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e14886a-21db-43a2-8cf0-3b90d703ec99/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-25 20:24:24,916 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 20:24:24,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 20:24:24,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-25 20:24:24,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:24:24,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:24:24,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 20:24:25,099 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 25 treesize of output 13 [2021-11-25 20:24:25,202 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 25 treesize of output 13 [2021-11-25 20:24:25,348 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 25 treesize of output 13 [2021-11-25 20:24:25,485 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 25 treesize of output 13 [2021-11-25 20:24:25,629 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 25 treesize of output 13 [2021-11-25 20:24:25,787 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 25 treesize of output 13 [2021-11-25 20:24:26,084 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 25 treesize of output 20 [2021-11-25 20:24:26,490 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-25 20:24:26,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-25 20:24:26,778 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-25 20:24:26,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2021-11-25 20:24:27,068 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-25 20:24:27,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2021-11-25 20:24:27,388 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-25 20:24:27,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2021-11-25 20:24:27,718 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-25 20:24:27,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2021-11-25 20:24:28,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2021-11-25 20:24:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:24:28,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:24:30,983 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_378| Int) (v_ArrVal_703 Int) (v_ArrVal_701 Int)) (or (= 0 (select (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_701) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_378| 4)) v_ArrVal_703) |c_ULTIMATE.start_main_~a~0#1.offset|)) (< |v_ULTIMATE.start_main_~i~0#1_378| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-11-25 20:24:33,103 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_378| Int) (|v_ULTIMATE.start_main_~i~0#1_379| Int) (v_ArrVal_703 Int) (v_ArrVal_701 Int) (v_ArrVal_699 Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_379| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (< |v_ULTIMATE.start_main_~i~0#1_378| (+ |v_ULTIMATE.start_main_~i~0#1_379| 1)) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_699) (+ (* |v_ULTIMATE.start_main_~i~0#1_379| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_701) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_378| 4)) v_ArrVal_703) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) is different from false [2021-11-25 20:24:35,396 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_378| Int) (v_ArrVal_697 Int) (|v_ULTIMATE.start_main_~i~0#1_379| Int) (|v_ULTIMATE.start_main_~i~0#1_380| Int) (v_ArrVal_703 Int) (v_ArrVal_701 Int) (v_ArrVal_699 Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_379| (+ |v_ULTIMATE.start_main_~i~0#1_380| 1)) (= (select (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_697) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_380| 4)) v_ArrVal_699) (+ (* |v_ULTIMATE.start_main_~i~0#1_379| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_701) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_378| 4)) v_ArrVal_703) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< |v_ULTIMATE.start_main_~i~0#1_380| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (< |v_ULTIMATE.start_main_~i~0#1_378| (+ |v_ULTIMATE.start_main_~i~0#1_379| 1)))) is different from false [2021-11-25 20:24:37,740 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_378| Int) (v_ArrVal_697 Int) (v_ArrVal_696 Int) (|v_ULTIMATE.start_main_~i~0#1_379| Int) (|v_ULTIMATE.start_main_~i~0#1_381| Int) (|v_ULTIMATE.start_main_~i~0#1_380| Int) (v_ArrVal_703 Int) (v_ArrVal_701 Int) (v_ArrVal_699 Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_381| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (< |v_ULTIMATE.start_main_~i~0#1_380| (+ |v_ULTIMATE.start_main_~i~0#1_381| 1)) (< |v_ULTIMATE.start_main_~i~0#1_379| (+ |v_ULTIMATE.start_main_~i~0#1_380| 1)) (< |v_ULTIMATE.start_main_~i~0#1_378| (+ |v_ULTIMATE.start_main_~i~0#1_379| 1)) (= 0 (select (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_696) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_381| 4)) v_ArrVal_697) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_380| 4)) v_ArrVal_699) (+ (* |v_ULTIMATE.start_main_~i~0#1_379| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_701) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_378| 4)) v_ArrVal_703) |c_ULTIMATE.start_main_~a~0#1.offset|)))) is different from false