./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/shared_mem1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/heap-data/shared_mem1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P --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 47cb7cab177485da5df0f1af4a3f61fd7eb970990493dd3ac764f888774cbf0f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:59:39,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:59:39,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:59:39,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:59:39,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:59:39,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:59:39,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:59:39,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:59:39,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:59:39,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:59:39,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:59:39,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:59:39,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:59:39,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:59:39,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:59:39,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:59:39,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:59:39,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:59:39,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:59:39,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:59:39,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:59:39,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:59:39,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:59:39,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:59:39,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:59:39,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:59:39,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:59:39,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:59:39,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:59:39,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:59:39,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:59:39,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:59:39,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:59:39,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:59:39,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:59:39,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:59:39,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:59:39,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:59:39,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:59:39,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:59:39,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:59:39,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:59:39,918 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:59:39,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:59:39,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:59:39,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:59:39,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:59:39,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:59:39,927 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:59:39,927 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:59:39,927 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:59:39,928 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:59:39,929 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:59:39,929 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:59:39,929 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:59:39,929 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:59:39,929 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:59:39,930 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:59:39,930 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:59:39,930 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:59:39,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:59:39,931 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:59:39,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:59:39,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:59:39,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:59:39,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:59:39,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:59:39,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:59:39,933 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:59:39,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:59:39,934 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:59:39,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:59:39,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:59:39,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:59:39,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:59:39,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:59:39,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:59:39,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:59:39,936 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:59:39,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:59:39,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:59:39,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:59:39,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:59:39,937 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_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47cb7cab177485da5df0f1af4a3f61fd7eb970990493dd3ac764f888774cbf0f [2021-11-20 23:59:40,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:59:40,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:59:40,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:59:40,246 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:59:40,247 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:59:40,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/heap-data/shared_mem1.i [2021-11-20 23:59:40,307 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/data/5e3352e52/8f2c4b8196514dd1b34d0abfeee0a5f0/FLAGcbd7c599e [2021-11-20 23:59:40,844 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:59:40,844 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/sv-benchmarks/c/heap-data/shared_mem1.i [2021-11-20 23:59:40,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/data/5e3352e52/8f2c4b8196514dd1b34d0abfeee0a5f0/FLAGcbd7c599e [2021-11-20 23:59:41,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/data/5e3352e52/8f2c4b8196514dd1b34d0abfeee0a5f0 [2021-11-20 23:59:41,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:59:41,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:59:41,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:59:41,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:59:41,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:59:41,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:59:41" (1/1) ... [2021-11-20 23:59:41,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768a424e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:41, skipping insertion in model container [2021-11-20 23:59:41,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:59:41" (1/1) ... [2021-11-20 23:59:41,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:59:41,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:59:41,552 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_77de21c0-783b-404b-979c-61fd016c32e3/sv-benchmarks/c/heap-data/shared_mem1.i[23879,23892] [2021-11-20 23:59:41,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:59:41,580 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:59:41,650 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_77de21c0-783b-404b-979c-61fd016c32e3/sv-benchmarks/c/heap-data/shared_mem1.i[23879,23892] [2021-11-20 23:59:41,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:59:41,688 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:59:41,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:41 WrapperNode [2021-11-20 23:59:41,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:59:41,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:59:41,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:59:41,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:59:41,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:41" (1/1) ... [2021-11-20 23:59:41,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:41" (1/1) ... [2021-11-20 23:59:41,762 INFO L137 Inliner]: procedures = 121, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 80 [2021-11-20 23:59:41,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:59:41,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:59:41,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:59:41,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:59:41,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:41" (1/1) ... [2021-11-20 23:59:41,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:41" (1/1) ... [2021-11-20 23:59:41,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:41" (1/1) ... [2021-11-20 23:59:41,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:41" (1/1) ... [2021-11-20 23:59:41,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:41" (1/1) ... [2021-11-20 23:59:41,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:41" (1/1) ... [2021-11-20 23:59:41,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:41" (1/1) ... [2021-11-20 23:59:41,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:59:41,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:59:41,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:59:41,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:59:41,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:41" (1/1) ... [2021-11-20 23:59:41,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:59:41,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:59:41,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:59:41,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:59:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:59:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:59:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:59:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:59:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:59:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:59:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:59:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:59:41,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:59:42,016 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:59:42,018 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:59:42,266 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:59:42,325 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:59:42,325 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 23:59:42,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:59:42 BoogieIcfgContainer [2021-11-20 23:59:42,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:59:42,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:59:42,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:59:42,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:59:42,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:59:41" (1/3) ... [2021-11-20 23:59:42,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c518fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:59:42, skipping insertion in model container [2021-11-20 23:59:42,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:41" (2/3) ... [2021-11-20 23:59:42,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c518fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:59:42, skipping insertion in model container [2021-11-20 23:59:42,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:59:42" (3/3) ... [2021-11-20 23:59:42,337 INFO L111 eAbstractionObserver]: Analyzing ICFG shared_mem1.i [2021-11-20 23:59:42,342 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:59:42,343 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:59:42,390 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:59:42,397 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 [2021-11-20 23:59:42,397 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:59:42,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 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) [2021-11-20 23:59:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-20 23:59:42,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:59:42,418 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-20 23:59:42,418 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:59:42,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:59:42,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1727782104, now seen corresponding path program 1 times [2021-11-20 23:59:42,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:59:42,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260400010] [2021-11-20 23:59:42,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:42,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:59:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:59:42,591 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:59:42,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260400010] [2021-11-20 23:59:42,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260400010] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:59:42,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:59:42,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:59:42,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045423689] [2021-11-20 23:59:42,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:59:42,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:59:42,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:59:42,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:59:42,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:59:42,629 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-20 23:59:42,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:59:42,708 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-11-20 23:59:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:59:42,714 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-20 23:59:42,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:59:42,724 INFO L225 Difference]: With dead ends: 15 [2021-11-20 23:59:42,724 INFO L226 Difference]: Without dead ends: 8 [2021-11-20 23:59:42,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:59:42,731 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:59:42,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:59:42,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-20 23:59:42,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-20 23:59:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2021-11-20 23:59:42,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-11-20 23:59:42,766 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2021-11-20 23:59:42,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:59:42,766 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-20 23:59:42,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-20 23:59:42,767 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-20 23:59:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 23:59:42,768 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:59:42,768 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:59:42,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:59:42,770 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:59:42,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:59:42,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1888775881, now seen corresponding path program 1 times [2021-11-20 23:59:42,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:59:42,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122086634] [2021-11-20 23:59:42,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:42,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:59:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:43,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:59:43,202 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:59:43,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122086634] [2021-11-20 23:59:43,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122086634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:59:43,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:59:43,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:59:43,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14726563] [2021-11-20 23:59:43,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:59:43,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:59:43,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:59:43,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:59:43,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:59:43,210 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 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) [2021-11-20 23:59:43,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:59:43,385 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-11-20 23:59:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:59:43,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 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 [2021-11-20 23:59:43,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:59:43,387 INFO L225 Difference]: With dead ends: 15 [2021-11-20 23:59:43,387 INFO L226 Difference]: Without dead ends: 13 [2021-11-20 23:59:43,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:59:43,389 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:59:43,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 15 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:59:43,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-20 23:59:43,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-20 23:59:43,394 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) [2021-11-20 23:59:43,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-11-20 23:59:43,394 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 7 [2021-11-20 23:59:43,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:59:43,395 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-11-20 23:59:43,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 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) [2021-11-20 23:59:43,395 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-20 23:59:43,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 23:59:43,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:59:43,396 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:59:43,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:59:43,397 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:59:43,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:59:43,399 INFO L85 PathProgramCache]: Analyzing trace with hash 2091148262, now seen corresponding path program 1 times [2021-11-20 23:59:43,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:59:43,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222586884] [2021-11-20 23:59:43,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:43,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:59:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:43,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:59:43,972 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:59:43,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222586884] [2021-11-20 23:59:43,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222586884] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:59:43,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808508590] [2021-11-20 23:59:43,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:43,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:59:43,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:59:43,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:59:44,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:59:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:44,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-20 23:59:44,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:59:44,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:44,270 INFO L354 Elim1Store]: treesize reduction 50, result has 32.4 percent of original size [2021-11-20 23:59:44,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 51 [2021-11-20 23:59:44,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:44,301 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-20 23:59:44,307 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 51 treesize of output 48 [2021-11-20 23:59:44,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:44,364 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 18 treesize of output 19 [2021-11-20 23:59:44,391 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 23:59:44,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 19 treesize of output 18 [2021-11-20 23:59:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:44,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:59:44,758 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Some non-self update cases but no top-level DER relation [2021-11-20 23:59:44,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1582211521] [2021-11-20 23:59:44,785 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-20 23:59:44,785 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:59:44,789 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:59:44,795 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:59:44,796 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:59:44,842 FATAL L? ?]: Ignoring exception! de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Function ULTIMATE.start_main_~m~0#1.base is already defined. at de.uni_freiburg.informatik.ultimate.logic.NoopScript.declareFun(NoopScript.java:263) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.declareFun(Scriptor.java:115) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.declareFun(WrapperScript.java:137) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.declareFun(WrapperScript.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.declareFun(HistoryRecordingScript.java:95) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.declareFun(WrapperScript.java:137) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termVariable2constant(SmtUtils.java:872) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termVariables2Constants(SmtUtils.java:861) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:161) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:192) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:1066) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:105) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:243) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:233) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:278) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 23:59:44,851 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-20 23:59:44,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-11-20 23:59:44,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602631117] [2021-11-20 23:59:44,851 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-20 23:59:44,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 23:59:44,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:59:44,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 23:59:44,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:59:44,854 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-11-20 23:59:44,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:59:44,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:59:44,858 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:59:44,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:59:44,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:59:45,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:59:45,089 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@386c554d at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:359) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:436) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:73) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 23:59:45,092 INFO L158 Benchmark]: Toolchain (without parser) took 3940.42ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 98.5MB in the beginning and 123.9MB in the end (delta: -25.4MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2021-11-20 23:59:45,092 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 92.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:59:45,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.11ms. Allocated memory is still 130.0MB. Free memory was 98.5MB in the beginning and 95.8MB in the end (delta: 2.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:59:45,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.40ms. Allocated memory is still 130.0MB. Free memory was 95.8MB in the beginning and 93.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:59:45,094 INFO L158 Benchmark]: Boogie Preprocessor took 60.05ms. Allocated memory is still 130.0MB. Free memory was 93.7MB in the beginning and 92.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:59:45,094 INFO L158 Benchmark]: RCFGBuilder took 503.73ms. Allocated memory is still 130.0MB. Free memory was 92.1MB in the beginning and 75.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-20 23:59:45,094 INFO L158 Benchmark]: TraceAbstraction took 2761.07ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 74.9MB in the beginning and 123.9MB in the end (delta: -48.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:59:45,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 92.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.11ms. Allocated memory is still 130.0MB. Free memory was 98.5MB in the beginning and 95.8MB in the end (delta: 2.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.40ms. Allocated memory is still 130.0MB. Free memory was 95.8MB in the beginning and 93.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.05ms. Allocated memory is still 130.0MB. Free memory was 93.7MB in the beginning and 92.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.73ms. Allocated memory is still 130.0MB. Free memory was 92.1MB in the beginning and 75.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2761.07ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 74.9MB in the beginning and 123.9MB in the end (delta: -48.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@386c554d de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@386c554d: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-20 23:59:45,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/heap-data/shared_mem1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P --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 47cb7cab177485da5df0f1af4a3f61fd7eb970990493dd3ac764f888774cbf0f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:59:47,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:59:47,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:59:47,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:59:47,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:59:47,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:59:47,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:59:47,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:59:47,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:59:47,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:59:47,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:59:47,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:59:47,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:59:47,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:59:47,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:59:47,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:59:47,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:59:47,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:59:47,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:59:47,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:59:47,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:59:47,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:59:47,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:59:47,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:59:47,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:59:47,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:59:47,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:59:47,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:59:47,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:59:47,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:59:47,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:59:47,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:59:47,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:59:47,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:59:47,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:59:47,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:59:47,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:59:47,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:59:47,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:59:47,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:59:47,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:59:47,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 23:59:47,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:59:47,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:59:47,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:59:47,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:59:47,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:59:47,715 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:59:47,715 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:59:47,715 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:59:47,716 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:59:47,717 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:59:47,718 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:59:47,718 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:59:47,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:59:47,720 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:59:47,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:59:47,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:59:47,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:59:47,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:59:47,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:59:47,721 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:59:47,721 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:59:47,721 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:59:47,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:59:47,722 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:59:47,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:59:47,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:59:47,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:59:47,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:59:47,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:59:47,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:59:47,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:59:47,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:59:47,724 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:59:47,724 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:59:47,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:59:47,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:59:47,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:59:47,725 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47cb7cab177485da5df0f1af4a3f61fd7eb970990493dd3ac764f888774cbf0f [2021-11-20 23:59:48,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:59:48,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:59:48,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:59:48,106 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:59:48,107 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:59:48,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/heap-data/shared_mem1.i [2021-11-20 23:59:48,183 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/data/7c4d7c0a0/9e98ff5c028043c09cd12936901fa497/FLAG3b77084fb [2021-11-20 23:59:48,818 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:59:48,819 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/sv-benchmarks/c/heap-data/shared_mem1.i [2021-11-20 23:59:48,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/data/7c4d7c0a0/9e98ff5c028043c09cd12936901fa497/FLAG3b77084fb [2021-11-20 23:59:49,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/data/7c4d7c0a0/9e98ff5c028043c09cd12936901fa497 [2021-11-20 23:59:49,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:59:49,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:59:49,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:59:49,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:59:49,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:59:49,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:59:49" (1/1) ... [2021-11-20 23:59:49,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2535d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:49, skipping insertion in model container [2021-11-20 23:59:49,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:59:49" (1/1) ... [2021-11-20 23:59:49,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:59:49,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:59:49,406 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_77de21c0-783b-404b-979c-61fd016c32e3/sv-benchmarks/c/heap-data/shared_mem1.i[23879,23892] [2021-11-20 23:59:49,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:59:49,437 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:59:49,512 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_77de21c0-783b-404b-979c-61fd016c32e3/sv-benchmarks/c/heap-data/shared_mem1.i[23879,23892] [2021-11-20 23:59:49,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:59:49,560 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:59:49,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:49 WrapperNode [2021-11-20 23:59:49,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:59:49,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:59:49,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:59:49,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:59:49,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:49" (1/1) ... [2021-11-20 23:59:49,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:49" (1/1) ... [2021-11-20 23:59:49,665 INFO L137 Inliner]: procedures = 124, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 79 [2021-11-20 23:59:49,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:59:49,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:59:49,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:59:49,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:59:49,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:49" (1/1) ... [2021-11-20 23:59:49,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:49" (1/1) ... [2021-11-20 23:59:49,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:49" (1/1) ... [2021-11-20 23:59:49,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:49" (1/1) ... [2021-11-20 23:59:49,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:49" (1/1) ... [2021-11-20 23:59:49,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:49" (1/1) ... [2021-11-20 23:59:49,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:49" (1/1) ... [2021-11-20 23:59:49,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:59:49,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:59:49,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:59:49,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:59:49,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:49" (1/1) ... [2021-11-20 23:59:49,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:59:49,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:59:49,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:59:49,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:59:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 23:59:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:59:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:59:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:59:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:59:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 23:59:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 23:59:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:59:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:59:50,011 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:59:50,012 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:59:50,534 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:59:50,540 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:59:50,541 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 23:59:50,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:59:50 BoogieIcfgContainer [2021-11-20 23:59:50,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:59:50,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:59:50,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:59:50,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:59:50,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:59:49" (1/3) ... [2021-11-20 23:59:50,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49be9f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:59:50, skipping insertion in model container [2021-11-20 23:59:50,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:49" (2/3) ... [2021-11-20 23:59:50,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49be9f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:59:50, skipping insertion in model container [2021-11-20 23:59:50,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:59:50" (3/3) ... [2021-11-20 23:59:50,552 INFO L111 eAbstractionObserver]: Analyzing ICFG shared_mem1.i [2021-11-20 23:59:50,557 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:59:50,558 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:59:50,614 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:59:50,621 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 [2021-11-20 23:59:50,621 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:59:50,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 14 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) [2021-11-20 23:59:50,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:59:50,640 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:59:50,641 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:59:50,642 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:59:50,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:59:50,647 INFO L85 PathProgramCache]: Analyzing trace with hash -15033972, now seen corresponding path program 1 times [2021-11-20 23:59:50,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:59:50,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259924699] [2021-11-20 23:59:50,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:50,661 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:59:50,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:59:50,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:59:50,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 23:59:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:50,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 23:59:50,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:59:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:59:50,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:59:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:59:50,881 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:59:50,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259924699] [2021-11-20 23:59:50,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259924699] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:59:50,882 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:59:50,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 23:59:50,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672509426] [2021-11-20 23:59:50,884 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:59:50,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:59:50,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:59:50,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:59:50,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:59:50,917 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 14 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) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-20 23:59:50,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:59:50,930 INFO L93 Difference]: Finished difference Result 26 states and 37 transitions. [2021-11-20 23:59:50,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:59:50,947 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 [2021-11-20 23:59:50,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:59:50,954 INFO L225 Difference]: With dead ends: 26 [2021-11-20 23:59:50,954 INFO L226 Difference]: Without dead ends: 12 [2021-11-20 23:59:50,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:59:50,961 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:59:50,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:59:50,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-11-20 23:59:51,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-11-20 23:59:51,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2021-11-20 23:59:51,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2021-11-20 23:59:51,039 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 16 transitions. Word has length 10 [2021-11-20 23:59:51,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:59:51,040 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-11-20 23:59:51,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-20 23:59:51,040 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-20 23:59:51,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:59:51,041 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:59:51,041 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:59:51,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-20 23:59:51,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:59:51,253 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:59:51,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:59:51,254 INFO L85 PathProgramCache]: Analyzing trace with hash -263268138, now seen corresponding path program 1 times [2021-11-20 23:59:51,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:59:51,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1599313804] [2021-11-20 23:59:51,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:51,255 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:59:51,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:59:51,257 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:59:51,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 23:59:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:51,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-20 23:59:51,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:59:51,617 INFO L354 Elim1Store]: treesize reduction 75, result has 29.9 percent of original size [2021-11-20 23:59:51,618 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 2 case distinctions, treesize of input 58 treesize of output 51 [2021-11-20 23:59:51,680 INFO L354 Elim1Store]: treesize reduction 62, result has 28.7 percent of original size [2021-11-20 23:59:51,681 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 51 treesize of output 48 [2021-11-20 23:59:51,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:51,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:59:51,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:51,777 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 18 treesize of output 19 [2021-11-20 23:59:52,564 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-20 23:59:52,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 111 [2021-11-20 23:59:52,580 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-20 23:59:52,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 75 [2021-11-20 23:59:52,647 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-11-20 23:59:52,647 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 2 case distinctions, treesize of input 69 treesize of output 72 [2021-11-20 23:59:53,628 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-20 23:59:53,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 74 [2021-11-20 23:59:53,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:59:53,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:59:54,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:59:54,256 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:59:54,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1599313804] [2021-11-20 23:59:54,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1599313804] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:59:54,257 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:59:54,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 23:59:54,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766915517] [2021-11-20 23:59:54,263 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:59:54,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 23:59:54,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:59:54,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 23:59:54,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-20 23:59:54,269 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. Second operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 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) [2021-11-20 23:59:57,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:59:57,310 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2021-11-20 23:59:57,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 23:59:57,310 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 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 10 [2021-11-20 23:59:57,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:59:57,312 INFO L225 Difference]: With dead ends: 24 [2021-11-20 23:59:57,312 INFO L226 Difference]: Without dead ends: 22 [2021-11-20 23:59:57,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2021-11-20 23:59:57,315 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 16 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:59:57,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 48 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 59 Invalid, 0 Unknown, 18 Unchecked, 2.0s Time] [2021-11-20 23:59:57,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-20 23:59:57,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2021-11-20 23:59:57,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 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) [2021-11-20 23:59:57,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 28 transitions. [2021-11-20 23:59:57,322 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 28 transitions. Word has length 10 [2021-11-20 23:59:57,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:59:57,322 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 28 transitions. [2021-11-20 23:59:57,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 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) [2021-11-20 23:59:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2021-11-20 23:59:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:59:57,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:59:57,323 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:59:57,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:59:57,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:59:57,537 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:59:57,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:59:57,538 INFO L85 PathProgramCache]: Analyzing trace with hash -263266216, now seen corresponding path program 1 times [2021-11-20 23:59:57,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:59:57,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227097387] [2021-11-20 23:59:57,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:57,538 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:59:57,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:59:57,539 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:59:57,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 23:59:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:57,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 23:59:57,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:59:57,698 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-20 23:59:57,699 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 1 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:59:57,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:57,817 INFO L354 Elim1Store]: treesize reduction 50, result has 32.4 percent of original size [2021-11-20 23:59:57,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 51 [2021-11-20 23:59:57,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:57,880 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-20 23:59:57,880 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 51 treesize of output 48 [2021-11-20 23:59:57,935 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 13 treesize of output 11 [2021-11-20 23:59:57,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:57,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:59:58,249 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-20 23:59:58,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 76 [2021-11-20 23:59:58,261 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-20 23:59:58,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 46 [2021-11-20 23:59:58,286 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-20 23:59:58,287 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 2 case distinctions, treesize of input 40 treesize of output 27 [2021-11-20 23:59:58,388 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-20 23:59:58,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-20 23:59:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:59:58,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:59:58,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:59:58,658 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:59:58,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227097387] [2021-11-20 23:59:58,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1227097387] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:59:58,659 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:59:58,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-11-20 23:59:58,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150576932] [2021-11-20 23:59:58,663 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:59:58,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 23:59:58,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:59:58,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 23:59:58,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-20 23:59:58,665 INFO L87 Difference]: Start difference. First operand 20 states and 28 transitions. Second operand has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:00:01,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:00:01,917 INFO L93 Difference]: Finished difference Result 28 states and 38 transitions. [2021-11-21 00:00:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:00:01,917 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 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 [2021-11-21 00:00:01,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:00:01,918 INFO L225 Difference]: With dead ends: 28 [2021-11-21 00:00:01,918 INFO L226 Difference]: Without dead ends: 21 [2021-11-21 00:00:01,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:00:01,920 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 13 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:00:01,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 39 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 40 Invalid, 0 Unknown, 5 Unchecked, 0.9s Time] [2021-11-21 00:00:01,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-21 00:00:01,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-11-21 00:00:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:00:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-11-21 00:00:01,926 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 27 transitions. Word has length 10 [2021-11-21 00:00:01,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:00:01,927 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-11-21 00:00:01,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:00:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-21 00:00:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 00:00:01,928 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:00:01,928 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:00:01,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:00:02,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:00:02,129 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:00:02,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:00:02,130 INFO L85 PathProgramCache]: Analyzing trace with hash -434920839, now seen corresponding path program 1 times [2021-11-21 00:00:02,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:00:02,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224967323] [2021-11-21 00:00:02,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:00:02,132 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:00:02,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:00:02,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:00:02,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-21 00:00:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:00:02,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 00:00:02,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:00:02,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:02,383 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 18 treesize of output 19 [2021-11-21 00:00:02,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:02,446 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:00:02,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 38 [2021-11-21 00:00:02,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:02,465 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:00:02,465 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 38 treesize of output 25 [2021-11-21 00:00:02,517 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:00:02,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 22 [2021-11-21 00:00:02,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:02,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:00:02,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:05,134 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:00:05,134 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 5 case distinctions, treesize of input 242 treesize of output 224 [2021-11-21 00:00:06,008 INFO L354 Elim1Store]: treesize reduction 274, result has 9.3 percent of original size [2021-11-21 00:00:06,009 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 4 case distinctions, treesize of input 280 treesize of output 259 [2021-11-21 00:00:06,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:06,348 INFO L354 Elim1Store]: treesize reduction 550, result has 8.8 percent of original size [2021-11-21 00:00:06,349 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 5 case distinctions, treesize of input 231 treesize of output 195 [2021-11-21 00:00:06,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:06,466 INFO L354 Elim1Store]: treesize reduction 188, result has 16.1 percent of original size [2021-11-21 00:00:06,467 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 4 case distinctions, treesize of input 222 treesize of output 174 [2021-11-21 00:00:06,525 INFO L354 Elim1Store]: treesize reduction 16, result has 56.8 percent of original size [2021-11-21 00:00:06,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 147 treesize of output 155 [2021-11-21 00:00:07,274 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-21 00:00:07,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 154 treesize of output 97 [2021-11-21 00:00:07,353 INFO L354 Elim1Store]: treesize reduction 100, result has 9.9 percent of original size [2021-11-21 00:00:07,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 71 [2021-11-21 00:00:07,376 INFO L354 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2021-11-21 00:00:07,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 42 [2021-11-21 00:00:07,468 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:00:07,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-11-21 00:00:07,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:00:07,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:00:10,153 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_7 (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_5| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_5| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32))) (or (bvslt (select (select (let ((.cse8 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse6 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_5|)) (.cse7 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_5|))) (let ((.cse0 (let ((.cse10 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_5| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_5|) |v_ULTIMATE.start_main_~n~0#1.offset_5| |ULTIMATE.start_main_~x~0#1|) .cse6 v_DerPreprocessor_7) .cse7 v_DerPreprocessor_6)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_5)))) (.cse1 (select (select (let ((.cse9 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_5| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_5|) |v_ULTIMATE.start_main_~n~0#1.offset_5| v_DerPreprocessor_4) .cse6 |c_ULTIMATE.start_main_~m~0#1.base|) .cse7 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_5|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_5| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_5|) |v_ULTIMATE.start_main_~n~0#1.offset_5| v_DerPreprocessor_8) .cse6 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse7 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_5|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse2 .cse3 (bvadd (select .cse2 .cse3) (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_5|))))) is different from false [2021-11-21 00:00:10,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-11-21 00:00:10,482 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:00:10,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224967323] [2021-11-21 00:00:10,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224967323] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:00:10,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [490924891] [2021-11-21 00:00:10,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:00:10,483 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-21 00:00:10,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-21 00:00:10,487 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-21 00:00:10,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-11-21 00:00:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:00:10,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 00:00:10,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:00:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:10,697 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:00:10,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 38 [2021-11-21 00:00:10,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:10,714 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:00:10,714 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 38 treesize of output 25 [2021-11-21 00:00:10,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:10,739 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 18 treesize of output 19 [2021-11-21 00:00:10,789 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:00:10,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 14 [2021-11-21 00:00:10,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:10,812 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 18 treesize of output 19 [2021-11-21 00:00:11,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:12,884 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:00:12,884 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 5 case distinctions, treesize of input 245 treesize of output 227 [2021-11-21 00:00:12,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:13,239 INFO L354 Elim1Store]: treesize reduction 550, result has 8.8 percent of original size [2021-11-21 00:00:13,240 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 5 case distinctions, treesize of input 274 treesize of output 238 [2021-11-21 00:00:13,385 INFO L354 Elim1Store]: treesize reduction 358, result has 8.7 percent of original size [2021-11-21 00:00:13,386 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 4 case distinctions, treesize of input 276 treesize of output 243 [2021-11-21 00:00:13,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:13,467 INFO L354 Elim1Store]: treesize reduction 188, result has 16.1 percent of original size [2021-11-21 00:00:13,467 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 4 case distinctions, treesize of input 225 treesize of output 177 [2021-11-21 00:00:13,515 INFO L354 Elim1Store]: treesize reduction 16, result has 56.8 percent of original size [2021-11-21 00:00:13,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 150 treesize of output 158 [2021-11-21 00:00:14,299 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-21 00:00:14,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 173 treesize of output 112 [2021-11-21 00:00:14,375 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-21 00:00:14,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 100 treesize of output 90 [2021-11-21 00:00:14,393 INFO L354 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2021-11-21 00:00:14,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 101 treesize of output 75 [2021-11-21 00:00:14,769 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:00:14,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 39 [2021-11-21 00:00:14,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:00:14,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:00:18,014 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~n~0#1.base_7| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_7| (_ BitVec 32)) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (let ((.cse9 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse6 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse7 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_7|)) (.cse8 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_7|))) (let ((.cse1 (let ((.cse11 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_7| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_7|) |v_ULTIMATE.start_main_~n~0#1.offset_7| |ULTIMATE.start_main_~x~0#1|) .cse7 v_DerPreprocessor_15) .cse8 v_DerPreprocessor_14)))) (store .cse11 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse11 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 v_DerPreprocessor_13)))) (.cse2 (select (select (let ((.cse10 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_7| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_7|) |v_ULTIMATE.start_main_~n~0#1.offset_7| v_DerPreprocessor_12) .cse7 |c_ULTIMATE.start_main_~m~0#1.base|) .cse8 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 |v_ULTIMATE.start_main_~n~0#1.base_7|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse9))) (let ((.cse3 (select .cse1 .cse2)) (.cse4 (select (select (let ((.cse5 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_7| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_7|) |v_ULTIMATE.start_main_~n~0#1.offset_7| v_DerPreprocessor_16) .cse7 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse8 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse5 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 |v_ULTIMATE.start_main_~n~0#1.offset_7|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse9))) (let ((.cse0 (select .cse3 .cse4))) (or (not (bvsle .cse0 (_ bv100 32))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_7|))) (bvslt (select (select (store .cse1 .cse2 (store .cse3 .cse4 (bvadd (select (select .cse1 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) .cse0))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32)))))))) is different from false [2021-11-21 00:00:18,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-11-21 00:00:18,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [490924891] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:00:18,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177183740] [2021-11-21 00:00:18,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:00:18,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:00:18,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:00:18,963 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:00:18,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 00:00:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:00:19,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 00:00:19,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:00:19,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:19,131 INFO L354 Elim1Store]: treesize reduction 50, result has 32.4 percent of original size [2021-11-21 00:00:19,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 51 [2021-11-21 00:00:19,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:19,185 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:00:19,185 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 51 treesize of output 48 [2021-11-21 00:00:19,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:19,236 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 18 treesize of output 19 [2021-11-21 00:00:19,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:19,258 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 18 treesize of output 19 [2021-11-21 00:00:19,290 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:00:19,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 14 [2021-11-21 00:00:19,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:20,999 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:00:20,999 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 5 case distinctions, treesize of input 267 treesize of output 249 [2021-11-21 00:00:21,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:21,352 INFO L354 Elim1Store]: treesize reduction 550, result has 8.8 percent of original size [2021-11-21 00:00:21,354 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 5 case distinctions, treesize of input 296 treesize of output 260 [2021-11-21 00:00:21,510 INFO L354 Elim1Store]: treesize reduction 362, result has 8.6 percent of original size [2021-11-21 00:00:21,510 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 4 case distinctions, treesize of input 298 treesize of output 265 [2021-11-21 00:00:21,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:21,638 INFO L354 Elim1Store]: treesize reduction 224, result has 17.0 percent of original size [2021-11-21 00:00:21,639 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 4 case distinctions, treesize of input 247 treesize of output 209 [2021-11-21 00:00:21,678 INFO L354 Elim1Store]: treesize reduction 16, result has 56.8 percent of original size [2021-11-21 00:00:21,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 185 treesize of output 193 [2021-11-21 00:00:22,972 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-21 00:00:22,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 191 treesize of output 130 [2021-11-21 00:00:23,099 INFO L354 Elim1Store]: treesize reduction 76, result has 33.9 percent of original size [2021-11-21 00:00:23,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 118 treesize of output 124 [2021-11-21 00:00:23,111 INFO L354 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2021-11-21 00:00:23,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 135 treesize of output 101 [2021-11-21 00:00:23,926 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:00:23,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 70 [2021-11-21 00:00:23,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:00:23,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:00:26,772 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_9| (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_9| (_ BitVec 32))) (let ((.cse9 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse6 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse7 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_9|)) (.cse8 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_9|))) (let ((.cse0 (let ((.cse11 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_9| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_9|) |v_ULTIMATE.start_main_~n~0#1.offset_9| |ULTIMATE.start_main_~x~0#1|) .cse7 v_DerPreprocessor_23) .cse8 v_DerPreprocessor_22)))) (store .cse11 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse11 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 v_DerPreprocessor_21)))) (.cse1 (select (select (let ((.cse10 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_9| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_9|) |v_ULTIMATE.start_main_~n~0#1.offset_9| v_DerPreprocessor_20) .cse7 |c_ULTIMATE.start_main_~m~0#1.base|) .cse8 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 |v_ULTIMATE.start_main_~n~0#1.base_9|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse9))) (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse5 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_9| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_9|) |v_ULTIMATE.start_main_~n~0#1.offset_9| v_DerPreprocessor_24) .cse7 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse8 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse5 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 |v_ULTIMATE.start_main_~n~0#1.offset_9|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse9))) (let ((.cse4 (select .cse2 .cse3))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_9|))) (bvslt (select (select (store .cse0 .cse1 (store .cse2 .cse3 (bvadd .cse4 (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32)) (not (bvsle .cse4 (_ bv100 32))))))))) is different from false [2021-11-21 00:00:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-11-21 00:00:27,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177183740] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:00:27,841 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-21 00:00:27,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 9, 9, 9, 9] total 29 [2021-11-21 00:00:27,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559487264] [2021-11-21 00:00:27,841 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-21 00:00:27,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-21 00:00:27,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:00:27,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-21 00:00:27,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=525, Unknown=3, NotChecked=150, Total=812 [2021-11-21 00:00:27,844 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. Second operand has 29 states, 29 states have (on average 1.7586206896551724) internal successors, (51), 29 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:00:39,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:00:39,652 INFO L93 Difference]: Finished difference Result 48 states and 70 transitions. [2021-11-21 00:00:39,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 00:00:39,654 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.7586206896551724) internal successors, (51), 29 states have internal predecessors, (51), 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 12 [2021-11-21 00:00:39,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:00:39,655 INFO L225 Difference]: With dead ends: 48 [2021-11-21 00:00:39,655 INFO L226 Difference]: Without dead ends: 41 [2021-11-21 00:00:39,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=237, Invalid=894, Unknown=3, NotChecked=198, Total=1332 [2021-11-21 00:00:39,658 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 46 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 205 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:00:39,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 123 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 164 Invalid, 0 Unknown, 205 Unchecked, 10.1s Time] [2021-11-21 00:00:39,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-21 00:00:39,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 32. [2021-11-21 00:00:39,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 31 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) [2021-11-21 00:00:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2021-11-21 00:00:39,668 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 45 transitions. Word has length 12 [2021-11-21 00:00:39,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:00:39,669 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 45 transitions. [2021-11-21 00:00:39,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.7586206896551724) internal successors, (51), 29 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:00:39,670 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2021-11-21 00:00:39,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 00:00:39,671 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:00:39,671 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:00:39,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-21 00:00:39,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-21 00:00:40,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2021-11-21 00:00:40,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt [2021-11-21 00:00:40,278 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:00:40,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:00:40,278 INFO L85 PathProgramCache]: Analyzing trace with hash -434918917, now seen corresponding path program 1 times [2021-11-21 00:00:40,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:00:40,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064588049] [2021-11-21 00:00:40,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:00:40,279 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:00:40,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:00:40,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:00:40,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-21 00:00:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:00:40,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 00:00:40,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:00:40,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:40,463 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 18 treesize of output 19 [2021-11-21 00:00:40,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:40,477 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 18 treesize of output 19 [2021-11-21 00:00:40,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:40,522 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:00:40,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 38 [2021-11-21 00:00:40,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:40,536 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:00:40,536 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 38 treesize of output 25 [2021-11-21 00:00:40,585 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:00:40,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 22 [2021-11-21 00:00:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:43,047 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:00:43,048 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 5 case distinctions, treesize of input 240 treesize of output 222 [2021-11-21 00:00:43,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:43,607 INFO L354 Elim1Store]: treesize reduction 550, result has 8.8 percent of original size [2021-11-21 00:00:43,607 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 5 case distinctions, treesize of input 269 treesize of output 233 [2021-11-21 00:00:43,800 INFO L354 Elim1Store]: treesize reduction 358, result has 8.7 percent of original size [2021-11-21 00:00:43,801 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 4 case distinctions, treesize of input 271 treesize of output 238 [2021-11-21 00:00:43,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:43,906 INFO L354 Elim1Store]: treesize reduction 188, result has 16.1 percent of original size [2021-11-21 00:00:43,907 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 4 case distinctions, treesize of input 220 treesize of output 172 [2021-11-21 00:00:43,944 INFO L354 Elim1Store]: treesize reduction 16, result has 56.8 percent of original size [2021-11-21 00:00:43,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 145 treesize of output 153 [2021-11-21 00:00:44,638 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-21 00:00:44,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 154 treesize of output 97 [2021-11-21 00:00:44,687 INFO L354 Elim1Store]: treesize reduction 100, result has 9.9 percent of original size [2021-11-21 00:00:44,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 71 [2021-11-21 00:00:44,703 INFO L354 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2021-11-21 00:00:44,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 42 [2021-11-21 00:00:44,766 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:00:44,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-11-21 00:00:44,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:00:44,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:00:47,596 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_31 (_ BitVec 32)) (v_DerPreprocessor_32 (_ BitVec 32)) (v_DerPreprocessor_30 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_11| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_11| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_28 (_ BitVec 32)) (v_DerPreprocessor_29 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse8 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse6 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_11|)) (.cse7 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_11|))) (let ((.cse0 (let ((.cse10 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_11| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_11|) |v_ULTIMATE.start_main_~n~0#1.offset_11| |ULTIMATE.start_main_~x~0#1|) .cse6 v_DerPreprocessor_31) .cse7 v_DerPreprocessor_30)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_29)))) (.cse1 (select (select (let ((.cse9 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_11| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_11|) |v_ULTIMATE.start_main_~n~0#1.offset_11| v_DerPreprocessor_28) .cse6 |c_ULTIMATE.start_main_~m~0#1.base|) .cse7 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_11|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_11| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_11|) |v_ULTIMATE.start_main_~n~0#1.offset_11| v_DerPreprocessor_32) .cse6 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse7 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_11|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse2 .cse3 (bvadd (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_11|))))) is different from false [2021-11-21 00:00:48,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-11-21 00:00:48,022 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:00:48,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064588049] [2021-11-21 00:00:48,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2064588049] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:00:48,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1558031149] [2021-11-21 00:00:48,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:00:48,023 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-21 00:00:48,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-21 00:00:48,024 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-21 00:00:48,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-21 00:00:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:00:48,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 00:00:48,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:00:48,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:48,254 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 18 treesize of output 19 [2021-11-21 00:00:48,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:48,271 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 18 treesize of output 19 [2021-11-21 00:00:48,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:48,321 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:00:48,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 38 [2021-11-21 00:00:48,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:48,335 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:00:48,335 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 38 treesize of output 25 [2021-11-21 00:00:48,380 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:00:48,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 24 [2021-11-21 00:00:48,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:48,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:48,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:00:48,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:48,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:00:50,055 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-11-21 00:00:50,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 215 treesize of output 201 [2021-11-21 00:00:50,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:50,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:50,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:00:50,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:50,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:00:50,265 INFO L354 Elim1Store]: treesize reduction 64, result has 26.4 percent of original size [2021-11-21 00:00:50,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 248 treesize of output 228 [2021-11-21 00:00:50,358 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-21 00:00:50,358 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 3 case distinctions, treesize of input 209 treesize of output 192 [2021-11-21 00:00:50,431 INFO L354 Elim1Store]: treesize reduction 16, result has 56.8 percent of original size [2021-11-21 00:00:50,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 173 treesize of output 181 [2021-11-21 00:00:50,449 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:00:50,450 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 166 treesize of output 139 [2021-11-21 00:00:50,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:50,464 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:00:50,464 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 133 treesize of output 120 [2021-11-21 00:00:51,345 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:00:51,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 137 treesize of output 92 [2021-11-21 00:00:51,389 INFO L354 Elim1Store]: treesize reduction 100, result has 9.9 percent of original size [2021-11-21 00:00:51,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 80 treesize of output 66 [2021-11-21 00:00:51,405 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:00:51,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 43 [2021-11-21 00:00:51,482 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:00:51,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-11-21 00:00:51,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:00:51,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:00:53,942 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~n~0#1.base_13| (_ BitVec 32)) (v_DerPreprocessor_35 (_ BitVec 32)) (v_DerPreprocessor_36 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_39 (_ BitVec 32)) (v_DerPreprocessor_37 (_ BitVec 32)) (v_DerPreprocessor_38 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse0 (let ((.cse8 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_13| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_13|) (_ bv0 32) |ULTIMATE.start_main_~x~0#1|) (_ bv4 32) v_DerPreprocessor_38) (_ bv8 32) v_DerPreprocessor_37)))) (store .cse8 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse8 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_36)))) (.cse1 (select (select (let ((.cse7 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_13| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_13|) (_ bv0 32) v_DerPreprocessor_35) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.base|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse7 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse7 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_13|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse6))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_13| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_13|) (_ bv0 32) v_DerPreprocessor_39) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse6))) (store .cse2 .cse3 (bvadd (select .cse2 .cse3) (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_13|)))))) is different from false [2021-11-21 00:00:54,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-11-21 00:00:54,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1558031149] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:00:54,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902004350] [2021-11-21 00:00:54,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:00:54,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:00:54,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:00:54,391 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:00:54,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-21 00:00:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:00:54,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 00:00:54,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:00:54,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:54,617 INFO L354 Elim1Store]: treesize reduction 50, result has 32.4 percent of original size [2021-11-21 00:00:54,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 51 [2021-11-21 00:00:54,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:54,678 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:00:54,679 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 51 treesize of output 48 [2021-11-21 00:00:54,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:54,746 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 18 treesize of output 19 [2021-11-21 00:00:54,789 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:00:54,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 23 [2021-11-21 00:00:54,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:54,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:00:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:56,775 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:00:56,775 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 4 case distinctions, treesize of input 239 treesize of output 221 [2021-11-21 00:00:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:57,387 INFO L354 Elim1Store]: treesize reduction 550, result has 8.8 percent of original size [2021-11-21 00:00:57,387 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 4 case distinctions, treesize of input 268 treesize of output 232 [2021-11-21 00:00:57,569 INFO L354 Elim1Store]: treesize reduction 350, result has 8.9 percent of original size [2021-11-21 00:00:57,570 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 3 case distinctions, treesize of input 270 treesize of output 237 [2021-11-21 00:00:57,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:57,673 INFO L354 Elim1Store]: treesize reduction 180, result has 16.7 percent of original size [2021-11-21 00:00:57,674 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 3 case distinctions, treesize of input 219 treesize of output 171 [2021-11-21 00:00:57,724 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-21 00:00:57,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 144 treesize of output 152 [2021-11-21 00:00:58,472 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-21 00:00:58,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 158 treesize of output 101 [2021-11-21 00:00:58,532 INFO L354 Elim1Store]: treesize reduction 104, result has 9.6 percent of original size [2021-11-21 00:00:58,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 89 treesize of output 75 [2021-11-21 00:00:58,550 INFO L354 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2021-11-21 00:00:58,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 54 [2021-11-21 00:00:58,654 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:00:58,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2021-11-21 00:00:58,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:00:58,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:01:01,092 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_43 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_15| (_ BitVec 32)) (v_DerPreprocessor_46 (_ BitVec 32)) (v_DerPreprocessor_47 (_ BitVec 32)) (v_DerPreprocessor_44 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_45 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_15| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_15|))) (bvsgt (select (select (let ((.cse8 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse6 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_15|)) (.cse7 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_15|))) (let ((.cse0 (let ((.cse10 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_15| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_15|) |v_ULTIMATE.start_main_~n~0#1.offset_15| |ULTIMATE.start_main_~x~0#1|) .cse6 v_DerPreprocessor_46) .cse7 v_DerPreprocessor_45)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_44)))) (.cse1 (select (select (let ((.cse9 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_15| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_15|) |v_ULTIMATE.start_main_~n~0#1.offset_15| v_DerPreprocessor_43) .cse6 |c_ULTIMATE.start_main_~m~0#1.base|) .cse7 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_15|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_15| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_15|) |v_ULTIMATE.start_main_~n~0#1.offset_15| v_DerPreprocessor_47) .cse6 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse7 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_15|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse2 .cse3 (bvadd (select .cse2 .cse3) (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) is different from false [2021-11-21 00:01:01,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-11-21 00:01:01,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902004350] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:01:01,587 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-21 00:01:01,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 7, 7] total 19 [2021-11-21 00:01:01,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968392237] [2021-11-21 00:01:01,588 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-21 00:01:01,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-21 00:01:01,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:01:01,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-21 00:01:01,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=186, Unknown=3, NotChecked=90, Total=342 [2021-11-21 00:01:01,590 INFO L87 Difference]: Start difference. First operand 32 states and 45 transitions. Second operand has 19 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 19 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:01:04,808 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse21 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse22 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse20 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse23 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~m~0#1.base|)) (_ bv1 1))) (forall ((|v_ULTIMATE.start_main_~n~0#1.base_13| (_ BitVec 32)) (v_DerPreprocessor_35 (_ BitVec 32)) (v_DerPreprocessor_36 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_39 (_ BitVec 32)) (v_DerPreprocessor_37 (_ BitVec 32)) (v_DerPreprocessor_38 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse0 (let ((.cse8 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_13| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_13|) (_ bv0 32) |ULTIMATE.start_main_~x~0#1|) (_ bv4 32) v_DerPreprocessor_38) (_ bv8 32) v_DerPreprocessor_37)))) (store .cse8 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse8 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_36)))) (.cse1 (select (select (let ((.cse7 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_13| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_13|) (_ bv0 32) v_DerPreprocessor_35) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.base|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse7 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse7 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_13|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse6))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_13| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_13|) (_ bv0 32) v_DerPreprocessor_39) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse6))) (store .cse2 .cse3 (bvadd (select .cse2 .cse3) (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_13|)))))) (= (_ bv0 32) |c_ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (forall ((v_DerPreprocessor_31 (_ BitVec 32)) (v_DerPreprocessor_32 (_ BitVec 32)) (v_DerPreprocessor_30 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_11| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_11| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_28 (_ BitVec 32)) (v_DerPreprocessor_29 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse17 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse14 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse15 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_11|)) (.cse16 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_11|))) (let ((.cse9 (let ((.cse19 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_11| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_11|) |v_ULTIMATE.start_main_~n~0#1.offset_11| |ULTIMATE.start_main_~x~0#1|) .cse15 v_DerPreprocessor_31) .cse16 v_DerPreprocessor_30)))) (store .cse19 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse19 |c_ULTIMATE.start_main_~list~0#1.base|) .cse14 v_DerPreprocessor_29)))) (.cse10 (select (select (let ((.cse18 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_11| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_11|) |v_ULTIMATE.start_main_~n~0#1.offset_11| v_DerPreprocessor_28) .cse15 |c_ULTIMATE.start_main_~m~0#1.base|) .cse16 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse18 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse18 |c_ULTIMATE.start_main_~list~0#1.base|) .cse14 |v_ULTIMATE.start_main_~n~0#1.base_11|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse17))) (store .cse9 .cse10 (let ((.cse11 (select .cse9 .cse10)) (.cse12 (select (select (let ((.cse13 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_11| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_11|) |v_ULTIMATE.start_main_~n~0#1.offset_11| v_DerPreprocessor_32) .cse15 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse16 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse13 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse13 |c_ULTIMATE.start_main_~list~0#1.base|) .cse14 |v_ULTIMATE.start_main_~n~0#1.offset_11|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse17))) (store .cse11 .cse12 (bvadd (select (select .cse9 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse11 .cse12))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_11|))))) (= (select .cse20 .cse21) |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~list~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~head~0#1.base| (select .cse22 .cse21)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (_ bv1 32)) (= (select .cse22 .cse23) |c_ULTIMATE.start_main_~m~0#1.base|) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (forall ((v_DerPreprocessor_43 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_15| (_ BitVec 32)) (v_DerPreprocessor_46 (_ BitVec 32)) (v_DerPreprocessor_47 (_ BitVec 32)) (v_DerPreprocessor_44 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_45 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_15| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_15|))) (bvsgt (select (select (let ((.cse32 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse29 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse30 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_15|)) (.cse31 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_15|))) (let ((.cse24 (let ((.cse34 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_15| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_15|) |v_ULTIMATE.start_main_~n~0#1.offset_15| |ULTIMATE.start_main_~x~0#1|) .cse30 v_DerPreprocessor_46) .cse31 v_DerPreprocessor_45)))) (store .cse34 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse34 |c_ULTIMATE.start_main_~list~0#1.base|) .cse29 v_DerPreprocessor_44)))) (.cse25 (select (select (let ((.cse33 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_15| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_15|) |v_ULTIMATE.start_main_~n~0#1.offset_15| v_DerPreprocessor_43) .cse30 |c_ULTIMATE.start_main_~m~0#1.base|) .cse31 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse33 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse33 |c_ULTIMATE.start_main_~list~0#1.base|) .cse29 |v_ULTIMATE.start_main_~n~0#1.base_15|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse32))) (store .cse24 .cse25 (let ((.cse26 (select .cse24 .cse25)) (.cse27 (select (select (let ((.cse28 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_15| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_15|) |v_ULTIMATE.start_main_~n~0#1.offset_15| v_DerPreprocessor_47) .cse30 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse31 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse28 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse28 |c_ULTIMATE.start_main_~list~0#1.base|) .cse29 |v_ULTIMATE.start_main_~n~0#1.offset_15|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse32))) (store .cse26 .cse27 (bvadd (select .cse26 .cse27) (select (select .cse24 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse20 .cse23)))) is different from false [2021-11-21 00:01:06,824 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse21 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse22 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse20 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse23 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~m~0#1.base|)) (_ bv1 1))) (forall ((|v_ULTIMATE.start_main_~n~0#1.base_13| (_ BitVec 32)) (v_DerPreprocessor_35 (_ BitVec 32)) (v_DerPreprocessor_36 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_39 (_ BitVec 32)) (v_DerPreprocessor_37 (_ BitVec 32)) (v_DerPreprocessor_38 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse0 (let ((.cse8 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_13| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_13|) (_ bv0 32) |ULTIMATE.start_main_~x~0#1|) (_ bv4 32) v_DerPreprocessor_38) (_ bv8 32) v_DerPreprocessor_37)))) (store .cse8 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse8 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_36)))) (.cse1 (select (select (let ((.cse7 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_13| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_13|) (_ bv0 32) v_DerPreprocessor_35) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.base|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse7 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse7 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_13|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse6))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_13| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_13|) (_ bv0 32) v_DerPreprocessor_39) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse6))) (store .cse2 .cse3 (bvadd (select .cse2 .cse3) (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_13|)))))) (= (_ bv0 32) |c_ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (forall ((v_DerPreprocessor_31 (_ BitVec 32)) (v_DerPreprocessor_32 (_ BitVec 32)) (v_DerPreprocessor_30 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_11| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_11| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_28 (_ BitVec 32)) (v_DerPreprocessor_29 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse17 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse14 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse15 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_11|)) (.cse16 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_11|))) (let ((.cse9 (let ((.cse19 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_11| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_11|) |v_ULTIMATE.start_main_~n~0#1.offset_11| |ULTIMATE.start_main_~x~0#1|) .cse15 v_DerPreprocessor_31) .cse16 v_DerPreprocessor_30)))) (store .cse19 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse19 |c_ULTIMATE.start_main_~list~0#1.base|) .cse14 v_DerPreprocessor_29)))) (.cse10 (select (select (let ((.cse18 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_11| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_11|) |v_ULTIMATE.start_main_~n~0#1.offset_11| v_DerPreprocessor_28) .cse15 |c_ULTIMATE.start_main_~m~0#1.base|) .cse16 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse18 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse18 |c_ULTIMATE.start_main_~list~0#1.base|) .cse14 |v_ULTIMATE.start_main_~n~0#1.base_11|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse17))) (store .cse9 .cse10 (let ((.cse11 (select .cse9 .cse10)) (.cse12 (select (select (let ((.cse13 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_11| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_11|) |v_ULTIMATE.start_main_~n~0#1.offset_11| v_DerPreprocessor_32) .cse15 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse16 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse13 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse13 |c_ULTIMATE.start_main_~list~0#1.base|) .cse14 |v_ULTIMATE.start_main_~n~0#1.offset_11|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse17))) (store .cse11 .cse12 (bvadd (select (select .cse9 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse11 .cse12))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_11|))))) (= (select .cse20 .cse21) |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~list~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~head~0#1.base| (select .cse22 .cse21)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (_ bv1 32)) (= (select .cse22 .cse23) |c_ULTIMATE.start_main_~m~0#1.base|) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (forall ((v_DerPreprocessor_43 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_15| (_ BitVec 32)) (v_DerPreprocessor_46 (_ BitVec 32)) (v_DerPreprocessor_47 (_ BitVec 32)) (v_DerPreprocessor_44 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_45 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_15| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_15|))) (bvsgt (select (select (let ((.cse32 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse29 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse30 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_15|)) (.cse31 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_15|))) (let ((.cse24 (let ((.cse34 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_15| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_15|) |v_ULTIMATE.start_main_~n~0#1.offset_15| |ULTIMATE.start_main_~x~0#1|) .cse30 v_DerPreprocessor_46) .cse31 v_DerPreprocessor_45)))) (store .cse34 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse34 |c_ULTIMATE.start_main_~list~0#1.base|) .cse29 v_DerPreprocessor_44)))) (.cse25 (select (select (let ((.cse33 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_15| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_15|) |v_ULTIMATE.start_main_~n~0#1.offset_15| v_DerPreprocessor_43) .cse30 |c_ULTIMATE.start_main_~m~0#1.base|) .cse31 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse33 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse33 |c_ULTIMATE.start_main_~list~0#1.base|) .cse29 |v_ULTIMATE.start_main_~n~0#1.base_15|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse32))) (store .cse24 .cse25 (let ((.cse26 (select .cse24 .cse25)) (.cse27 (select (select (let ((.cse28 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_15| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_15|) |v_ULTIMATE.start_main_~n~0#1.offset_15| v_DerPreprocessor_47) .cse30 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse31 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse28 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse28 |c_ULTIMATE.start_main_~list~0#1.base|) .cse29 |v_ULTIMATE.start_main_~n~0#1.offset_15|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse32))) (store .cse26 .cse27 (bvadd (select .cse26 .cse27) (select (select .cse24 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse20 .cse23)))) is different from true [2021-11-21 00:01:08,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:01:08,144 INFO L93 Difference]: Finished difference Result 55 states and 76 transitions. [2021-11-21 00:01:08,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 00:01:08,144 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 19 states have internal predecessors, (41), 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 12 [2021-11-21 00:01:08,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:01:08,145 INFO L225 Difference]: With dead ends: 55 [2021-11-21 00:01:08,145 INFO L226 Difference]: Without dead ends: 48 [2021-11-21 00:01:08,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=95, Invalid=296, Unknown=5, NotChecked=156, Total=552 [2021-11-21 00:01:08,147 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 13 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 78 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:01:08,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 42 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 80 Invalid, 0 Unknown, 78 Unchecked, 2.0s Time] [2021-11-21 00:01:08,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-21 00:01:08,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 38. [2021-11-21 00:01:08,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:01:08,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 54 transitions. [2021-11-21 00:01:08,155 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 54 transitions. Word has length 12 [2021-11-21 00:01:08,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:01:08,155 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 54 transitions. [2021-11-21 00:01:08,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 19 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:01:08,156 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2021-11-21 00:01:08,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 00:01:08,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:01:08,156 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:01:08,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-11-21 00:01:08,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-21 00:01:08,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-21 00:01:08,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:01:08,757 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:01:08,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:01:08,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1483342752, now seen corresponding path program 1 times [2021-11-21 00:01:08,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:01:08,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433735399] [2021-11-21 00:01:08,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:01:08,758 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:01:08,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:01:08,761 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:01:08,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-21 00:01:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:01:08,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 00:01:08,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:01:08,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:09,001 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:01:09,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 38 [2021-11-21 00:01:09,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:09,012 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:01:09,012 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 38 treesize of output 25 [2021-11-21 00:01:09,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:09,036 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 18 treesize of output 19 [2021-11-21 00:01:09,079 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:01:09,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 22 [2021-11-21 00:01:09,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:09,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:01:09,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:11,369 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:01:11,369 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 5 case distinctions, treesize of input 243 treesize of output 225 [2021-11-21 00:01:12,084 INFO L354 Elim1Store]: treesize reduction 274, result has 9.3 percent of original size [2021-11-21 00:01:12,084 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 4 case distinctions, treesize of input 281 treesize of output 260 [2021-11-21 00:01:12,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:12,341 INFO L354 Elim1Store]: treesize reduction 550, result has 8.8 percent of original size [2021-11-21 00:01:12,341 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 5 case distinctions, treesize of input 232 treesize of output 196 [2021-11-21 00:01:12,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:12,425 INFO L354 Elim1Store]: treesize reduction 188, result has 16.1 percent of original size [2021-11-21 00:01:12,426 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 4 case distinctions, treesize of input 223 treesize of output 175 [2021-11-21 00:01:12,464 INFO L354 Elim1Store]: treesize reduction 16, result has 56.8 percent of original size [2021-11-21 00:01:12,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 148 treesize of output 156 [2021-11-21 00:01:13,187 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-21 00:01:13,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 154 treesize of output 97 [2021-11-21 00:01:13,234 INFO L354 Elim1Store]: treesize reduction 100, result has 9.9 percent of original size [2021-11-21 00:01:13,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 71 [2021-11-21 00:01:13,264 INFO L354 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2021-11-21 00:01:13,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 50 [2021-11-21 00:01:13,343 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:01:13,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 26 [2021-11-21 00:01:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:01:13,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:01:16,008 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~n~0#1.offset_17| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_17| (_ BitVec 32)) (v_DerPreprocessor_53 (_ BitVec 32)) (v_DerPreprocessor_54 (_ BitVec 32)) (v_DerPreprocessor_51 (_ BitVec 32)) (v_DerPreprocessor_52 (_ BitVec 32)) (v_DerPreprocessor_55 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_17|))) (bvsgt (select (select (let ((.cse8 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse6 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_17|)) (.cse7 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_17|))) (let ((.cse0 (let ((.cse10 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_17| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_17|) |v_ULTIMATE.start_main_~n~0#1.offset_17| |ULTIMATE.start_main_~x~0#1|) .cse6 v_DerPreprocessor_54) .cse7 v_DerPreprocessor_53)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_52)))) (.cse1 (select (select (let ((.cse9 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_17| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_17|) |v_ULTIMATE.start_main_~n~0#1.offset_17| v_DerPreprocessor_51) .cse6 |c_ULTIMATE.start_main_~m~0#1.base|) .cse7 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_17|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_17| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_17|) |v_ULTIMATE.start_main_~n~0#1.offset_17| v_DerPreprocessor_55) .cse6 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse7 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_17|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse2 .cse3 (bvadd (select .cse2 .cse3) (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) is different from false [2021-11-21 00:01:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked. [2021-11-21 00:01:17,063 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:01:17,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433735399] [2021-11-21 00:01:17,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433735399] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:01:17,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1552252745] [2021-11-21 00:01:17,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:01:17,064 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-21 00:01:17,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-21 00:01:17,065 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-21 00:01:17,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-21 00:01:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:01:17,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 00:01:17,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:01:17,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:17,263 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 18 treesize of output 19 [2021-11-21 00:01:17,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:17,282 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 18 treesize of output 19 [2021-11-21 00:01:17,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:17,333 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:01:17,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 38 [2021-11-21 00:01:17,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:17,347 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:01:17,347 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 38 treesize of output 25 [2021-11-21 00:01:17,394 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:01:17,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 22 [2021-11-21 00:01:17,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:17,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:17,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:01:17,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:17,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:01:18,989 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-11-21 00:01:18,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 216 treesize of output 202 [2021-11-21 00:01:19,650 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-21 00:01:19,650 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 3 case distinctions, treesize of input 276 treesize of output 259 [2021-11-21 00:01:19,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:19,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:19,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:01:19,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:19,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:01:19,799 INFO L354 Elim1Store]: treesize reduction 64, result has 26.4 percent of original size [2021-11-21 00:01:19,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 213 treesize of output 193 [2021-11-21 00:01:19,873 INFO L354 Elim1Store]: treesize reduction 16, result has 56.8 percent of original size [2021-11-21 00:01:19,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 174 treesize of output 182 [2021-11-21 00:01:19,885 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:01:19,885 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 166 treesize of output 139 [2021-11-21 00:01:19,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:19,893 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:01:19,894 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 133 treesize of output 120 [2021-11-21 00:01:20,669 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:01:20,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 137 treesize of output 92 [2021-11-21 00:01:20,737 INFO L354 Elim1Store]: treesize reduction 100, result has 9.9 percent of original size [2021-11-21 00:01:20,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 80 treesize of output 66 [2021-11-21 00:01:20,764 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:01:20,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 35 [2021-11-21 00:01:20,826 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:01:20,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 26 [2021-11-21 00:01:20,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:01:20,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:01:23,226 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_60 (_ BitVec 32)) (v_DerPreprocessor_61 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_19| (_ BitVec 32)) (v_DerPreprocessor_62 (_ BitVec 32)) (v_DerPreprocessor_58 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_59 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_19|))))) (bvsgt (select (select (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse0 (let ((.cse8 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_19| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_19|) (_ bv0 32) |ULTIMATE.start_main_~x~0#1|) (_ bv4 32) v_DerPreprocessor_61) (_ bv8 32) v_DerPreprocessor_60)))) (store .cse8 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse8 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_59)))) (.cse1 (select (select (let ((.cse7 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_19| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_19|) (_ bv0 32) v_DerPreprocessor_58) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.base|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse7 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse7 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_19|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse6))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_19| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_19|) (_ bv0 32) v_DerPreprocessor_62) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse6))) (store .cse2 .cse3 (bvadd (select .cse2 .cse3) (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) is different from false [2021-11-21 00:01:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked. [2021-11-21 00:01:24,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1552252745] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:01:24,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542676398] [2021-11-21 00:01:24,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:01:24,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:01:24,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:01:24,190 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:01:24,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-21 00:01:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:01:24,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 00:01:24,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:01:24,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:24,347 INFO L354 Elim1Store]: treesize reduction 50, result has 32.4 percent of original size [2021-11-21 00:01:24,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 51 [2021-11-21 00:01:24,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:24,396 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:01:24,396 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 51 treesize of output 48 [2021-11-21 00:01:24,472 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:01:24,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 22 [2021-11-21 00:01:24,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:24,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:01:24,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:24,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:01:24,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:27,282 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:01:27,282 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 4 case distinctions, treesize of input 242 treesize of output 224 [2021-11-21 00:01:28,574 INFO L354 Elim1Store]: treesize reduction 242, result has 10.4 percent of original size [2021-11-21 00:01:28,574 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 3 case distinctions, treesize of input 298 treesize of output 277 [2021-11-21 00:01:28,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:28,803 INFO L354 Elim1Store]: treesize reduction 466, result has 10.2 percent of original size [2021-11-21 00:01:28,804 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 4 case distinctions, treesize of input 231 treesize of output 207 [2021-11-21 00:01:28,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:28,910 INFO L354 Elim1Store]: treesize reduction 180, result has 16.7 percent of original size [2021-11-21 00:01:28,910 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 3 case distinctions, treesize of input 222 treesize of output 174 [2021-11-21 00:01:28,952 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-21 00:01:28,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 155 [2021-11-21 00:01:29,628 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-21 00:01:29,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 158 treesize of output 101 [2021-11-21 00:01:29,675 INFO L354 Elim1Store]: treesize reduction 104, result has 9.6 percent of original size [2021-11-21 00:01:29,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 89 treesize of output 75 [2021-11-21 00:01:29,690 INFO L354 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2021-11-21 00:01:29,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 48 [2021-11-21 00:01:29,782 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:01:29,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2021-11-21 00:01:29,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:01:29,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:01:32,172 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_70 (_ BitVec 32)) (v_DerPreprocessor_68 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_21| (_ BitVec 32)) (v_DerPreprocessor_69 (_ BitVec 32)) (v_DerPreprocessor_66 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_21| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_67 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse8 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse6 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_21|)) (.cse7 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_21|))) (let ((.cse0 (let ((.cse10 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_21| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_21|) |v_ULTIMATE.start_main_~n~0#1.offset_21| |ULTIMATE.start_main_~x~0#1|) .cse6 v_DerPreprocessor_69) .cse7 v_DerPreprocessor_68)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_67)))) (.cse1 (select (select (let ((.cse9 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_21| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_21|) |v_ULTIMATE.start_main_~n~0#1.offset_21| v_DerPreprocessor_66) .cse6 |c_ULTIMATE.start_main_~m~0#1.base|) .cse7 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_21|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_21| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_21|) |v_ULTIMATE.start_main_~n~0#1.offset_21| v_DerPreprocessor_70) .cse6 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse7 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_21|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse2 .cse3 (bvadd (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_21|))))))) is different from false [2021-11-21 00:01:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked. [2021-11-21 00:01:33,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542676398] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:01:33,466 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-21 00:01:33,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 7, 7] total 19 [2021-11-21 00:01:33,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916361532] [2021-11-21 00:01:33,467 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-21 00:01:33,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-21 00:01:33,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:01:33,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-21 00:01:33,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=186, Unknown=3, NotChecked=90, Total=342 [2021-11-21 00:01:33,469 INFO L87 Difference]: Start difference. First operand 38 states and 54 transitions. Second operand has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:01:36,940 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse11 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse0 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~m~0#1.base|)) (_ bv1 1))) (= (_ bv0 32) |c_ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (= (select .cse0 .cse1) |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~list~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (forall ((v_DerPreprocessor_60 (_ BitVec 32)) (v_DerPreprocessor_61 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_19| (_ BitVec 32)) (v_DerPreprocessor_62 (_ BitVec 32)) (v_DerPreprocessor_58 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_59 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_19|))))) (bvsgt (select (select (let ((.cse8 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse7 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse2 (let ((.cse10 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_19| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_19|) (_ bv0 32) |ULTIMATE.start_main_~x~0#1|) (_ bv4 32) v_DerPreprocessor_61) (_ bv8 32) v_DerPreprocessor_60)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7 v_DerPreprocessor_59)))) (.cse3 (select (select (let ((.cse9 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_19| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_19|) (_ bv0 32) v_DerPreprocessor_58) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.base|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7 |v_ULTIMATE.start_main_~n~0#1.base_19|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse2 .cse3 (let ((.cse4 (select .cse2 .cse3)) (.cse5 (select (select (let ((.cse6 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_19| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_19|) (_ bv0 32) v_DerPreprocessor_62) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse6 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse6 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse4 .cse5 (bvadd (select .cse4 .cse5) (select (select .cse2 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) (= |c_ULTIMATE.start_main_~head~0#1.base| (select .cse11 .cse1)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (_ bv1 32)) (= (select .cse11 .cse12) |c_ULTIMATE.start_main_~m~0#1.base|) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (forall ((v_DerPreprocessor_70 (_ BitVec 32)) (v_DerPreprocessor_68 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_21| (_ BitVec 32)) (v_DerPreprocessor_69 (_ BitVec 32)) (v_DerPreprocessor_66 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_21| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_67 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse21 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse18 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse19 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_21|)) (.cse20 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_21|))) (let ((.cse13 (let ((.cse23 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_21| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_21|) |v_ULTIMATE.start_main_~n~0#1.offset_21| |ULTIMATE.start_main_~x~0#1|) .cse19 v_DerPreprocessor_69) .cse20 v_DerPreprocessor_68)))) (store .cse23 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse23 |c_ULTIMATE.start_main_~list~0#1.base|) .cse18 v_DerPreprocessor_67)))) (.cse14 (select (select (let ((.cse22 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_21| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_21|) |v_ULTIMATE.start_main_~n~0#1.offset_21| v_DerPreprocessor_66) .cse19 |c_ULTIMATE.start_main_~m~0#1.base|) .cse20 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse22 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse22 |c_ULTIMATE.start_main_~list~0#1.base|) .cse18 |v_ULTIMATE.start_main_~n~0#1.base_21|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse21))) (store .cse13 .cse14 (let ((.cse15 (select .cse13 .cse14)) (.cse16 (select (select (let ((.cse17 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_21| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_21|) |v_ULTIMATE.start_main_~n~0#1.offset_21| v_DerPreprocessor_70) .cse19 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse20 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse17 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse17 |c_ULTIMATE.start_main_~list~0#1.base|) .cse18 |v_ULTIMATE.start_main_~n~0#1.offset_21|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse21))) (store .cse15 .cse16 (bvadd (select (select .cse13 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse15 .cse16))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_21|))))))) (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|) (forall ((|v_ULTIMATE.start_main_~n~0#1.offset_17| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_17| (_ BitVec 32)) (v_DerPreprocessor_53 (_ BitVec 32)) (v_DerPreprocessor_54 (_ BitVec 32)) (v_DerPreprocessor_51 (_ BitVec 32)) (v_DerPreprocessor_52 (_ BitVec 32)) (v_DerPreprocessor_55 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_17|))) (bvsgt (select (select (let ((.cse32 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse29 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse30 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_17|)) (.cse31 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_17|))) (let ((.cse24 (let ((.cse34 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_17| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_17|) |v_ULTIMATE.start_main_~n~0#1.offset_17| |ULTIMATE.start_main_~x~0#1|) .cse30 v_DerPreprocessor_54) .cse31 v_DerPreprocessor_53)))) (store .cse34 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse34 |c_ULTIMATE.start_main_~list~0#1.base|) .cse29 v_DerPreprocessor_52)))) (.cse25 (select (select (let ((.cse33 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_17| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_17|) |v_ULTIMATE.start_main_~n~0#1.offset_17| v_DerPreprocessor_51) .cse30 |c_ULTIMATE.start_main_~m~0#1.base|) .cse31 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse33 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse33 |c_ULTIMATE.start_main_~list~0#1.base|) .cse29 |v_ULTIMATE.start_main_~n~0#1.base_17|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse32))) (store .cse24 .cse25 (let ((.cse26 (select .cse24 .cse25)) (.cse27 (select (select (let ((.cse28 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_17| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_17|) |v_ULTIMATE.start_main_~n~0#1.offset_17| v_DerPreprocessor_55) .cse30 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse31 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse28 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse28 |c_ULTIMATE.start_main_~list~0#1.base|) .cse29 |v_ULTIMATE.start_main_~n~0#1.offset_17|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse32))) (store .cse26 .cse27 (bvadd (select .cse26 .cse27) (select (select .cse24 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse0 .cse12)))) is different from true [2021-11-21 00:01:40,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:01:40,711 INFO L93 Difference]: Finished difference Result 53 states and 73 transitions. [2021-11-21 00:01:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 00:01:40,711 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 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 [2021-11-21 00:01:40,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:01:40,713 INFO L225 Difference]: With dead ends: 53 [2021-11-21 00:01:40,713 INFO L226 Difference]: Without dead ends: 46 [2021-11-21 00:01:40,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=95, Invalid=297, Unknown=4, NotChecked=156, Total=552 [2021-11-21 00:01:40,715 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 110 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:01:40,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 98 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 123 Invalid, 0 Unknown, 110 Unchecked, 4.6s Time] [2021-11-21 00:01:40,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-21 00:01:40,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 32. [2021-11-21 00:01:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 31 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) [2021-11-21 00:01:40,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2021-11-21 00:01:40,726 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 45 transitions. Word has length 14 [2021-11-21 00:01:40,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:01:40,726 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 45 transitions. [2021-11-21 00:01:40,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:01:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2021-11-21 00:01:40,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 00:01:40,728 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:01:40,728 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:01:40,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2021-11-21 00:01:40,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-21 00:01:41,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-21 00:01:41,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:01:41,331 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:01:41,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:01:41,331 INFO L85 PathProgramCache]: Analyzing trace with hash 2110559966, now seen corresponding path program 2 times [2021-11-21 00:01:41,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:01:41,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817810430] [2021-11-21 00:01:41,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-21 00:01:41,333 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:01:41,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:01:41,334 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:01:41,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-21 00:01:41,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-21 00:01:41,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:01:41,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 00:01:41,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:01:41,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:41,621 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:01:41,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 38 [2021-11-21 00:01:41,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:41,631 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:01:41,631 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 38 treesize of output 25 [2021-11-21 00:01:41,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:41,655 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 18 treesize of output 19 [2021-11-21 00:01:41,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:41,678 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 18 treesize of output 19 [2021-11-21 00:01:41,718 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:01:41,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 23 [2021-11-21 00:01:41,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:41,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:01:43,976 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:01:43,976 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 4 case distinctions, treesize of input 247 treesize of output 229 [2021-11-21 00:01:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:44,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:44,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:01:44,712 INFO L354 Elim1Store]: treesize reduction 550, result has 8.8 percent of original size [2021-11-21 00:01:44,712 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 4 case distinctions, treesize of input 276 treesize of output 240 [2021-11-21 00:01:44,951 INFO L354 Elim1Store]: treesize reduction 358, result has 8.7 percent of original size [2021-11-21 00:01:44,952 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 4 case distinctions, treesize of input 284 treesize of output 251 [2021-11-21 00:01:44,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:45,085 INFO L354 Elim1Store]: treesize reduction 188, result has 16.1 percent of original size [2021-11-21 00:01:45,086 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 4 case distinctions, treesize of input 233 treesize of output 185 [2021-11-21 00:01:45,166 INFO L354 Elim1Store]: treesize reduction 62, result has 37.4 percent of original size [2021-11-21 00:01:45,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 158 treesize of output 181 [2021-11-21 00:01:45,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:50,023 INFO L354 Elim1Store]: treesize reduction 1040, result has 5.9 percent of original size [2021-11-21 00:01:50,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 362 treesize of output 317 [2021-11-21 00:01:51,162 INFO L354 Elim1Store]: treesize reduction 250, result has 10.1 percent of original size [2021-11-21 00:01:51,163 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 4 case distinctions, treesize of input 385 treesize of output 364 [2021-11-21 00:01:51,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:51,789 INFO L354 Elim1Store]: treesize reduction 956, result has 6.5 percent of original size [2021-11-21 00:01:51,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 318 treesize of output 288 [2021-11-21 00:01:51,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:01:51,891 INFO L354 Elim1Store]: treesize reduction 188, result has 16.1 percent of original size [2021-11-21 00:01:51,892 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 4 case distinctions, treesize of input 290 treesize of output 242 [2021-11-21 00:01:51,950 INFO L354 Elim1Store]: treesize reduction 36, result has 46.3 percent of original size [2021-11-21 00:01:51,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 215 treesize of output 231 [2021-11-21 00:01:53,318 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-21 00:01:53,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 331 treesize of output 149 [2021-11-21 00:01:53,372 INFO L354 Elim1Store]: treesize reduction 100, result has 9.9 percent of original size [2021-11-21 00:01:53,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 113 treesize of output 99 [2021-11-21 00:01:53,391 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-21 00:01:53,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 100 treesize of output 68 [2021-11-21 00:01:53,458 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:01:53,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 26 [2021-11-21 00:01:53,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:01:53,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:01:56,099 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_80 (_ BitVec 32)) (v_DerPreprocessor_81 (_ BitVec 32)) (v_DerPreprocessor_79 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_23| (_ BitVec 32)) (v_DerPreprocessor_77 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_78 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_23| (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse8 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse6 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_23|)) (.cse7 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_23|))) (let ((.cse0 (let ((.cse10 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_23| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_23|) |v_ULTIMATE.start_main_~n~0#1.offset_23| |ULTIMATE.start_main_~x~0#1|) .cse6 v_DerPreprocessor_80) .cse7 v_DerPreprocessor_79)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_78)))) (.cse1 (select (select (let ((.cse9 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_23| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_23|) |v_ULTIMATE.start_main_~n~0#1.offset_23| v_DerPreprocessor_77) .cse6 |c_ULTIMATE.start_main_~m~0#1.base|) .cse7 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_23|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_23| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_23|) |v_ULTIMATE.start_main_~n~0#1.offset_23| v_DerPreprocessor_81) .cse6 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse7 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_23|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse2 .cse3 (bvadd (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_23|))))) is different from false [2021-11-21 00:02:06,024 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~n~0#1.base_24| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_23| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_29| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_24| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_23| (_ BitVec 32)) (v_DerPreprocessor_82 (_ BitVec 32)) (v_DerPreprocessor_83 (_ BitVec 32)) (v_DerPreprocessor_80 (_ BitVec 32)) (v_DerPreprocessor_81 (_ BitVec 32)) (v_DerPreprocessor_86 (_ BitVec 32)) (v_DerPreprocessor_84 (_ BitVec 32)) (v_DerPreprocessor_85 (_ BitVec 32)) (v_DerPreprocessor_79 (_ BitVec 32)) (v_DerPreprocessor_77 (_ BitVec 32)) (v_DerPreprocessor_78 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse7 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_23|)) (.cse8 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_23|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse10 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_24|)) (.cse11 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_24|))) (let ((.cse0 (let ((.cse16 (let ((.cse17 (let ((.cse18 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_24| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_24|) |v_ULTIMATE.start_main_~n~0#1.offset_24| |ULTIMATE.start_main_~x~0#1|) .cse10 v_DerPreprocessor_85) .cse11 v_DerPreprocessor_84)))) (store .cse18 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse18 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_83))))) (store .cse17 |v_ULTIMATE.start_main_~n~0#1.base_23| (store (store (store (select .cse17 |v_ULTIMATE.start_main_~n~0#1.base_23|) |v_ULTIMATE.start_main_~n~0#1.offset_23| |v_ULTIMATE.start_main_~x~0#1_29|) .cse7 v_DerPreprocessor_80) .cse8 v_DerPreprocessor_79))))) (store .cse16 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse16 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_78)))) (.cse1 (select (select (let ((.cse13 (let ((.cse14 (let ((.cse15 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_24| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_24|) |v_ULTIMATE.start_main_~n~0#1.offset_24| v_DerPreprocessor_82) .cse10 |c_ULTIMATE.start_main_~m~0#1.base|) .cse11 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse15 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse15 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_24|))))) (store .cse14 |v_ULTIMATE.start_main_~n~0#1.base_23| (store (store (store (select .cse14 |v_ULTIMATE.start_main_~n~0#1.base_23|) |v_ULTIMATE.start_main_~n~0#1.offset_23| v_DerPreprocessor_77) .cse7 |c_ULTIMATE.start_main_~m~0#1.base|) .cse8 |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse13 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse13 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_23|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (let ((.cse6 (let ((.cse9 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_24| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_24|) |v_ULTIMATE.start_main_~n~0#1.offset_24| v_DerPreprocessor_86) .cse10 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse11 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_24|))))) (store .cse6 |v_ULTIMATE.start_main_~n~0#1.base_23| (store (store (store (select .cse6 |v_ULTIMATE.start_main_~n~0#1.base_23|) |v_ULTIMATE.start_main_~n~0#1.offset_23| v_DerPreprocessor_81) .cse7 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse8 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_23|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (store .cse2 .cse3 (bvadd (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_24| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_23|)))) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_24|))))))) is different from false [2021-11-21 00:02:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2021-11-21 00:02:15,728 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:02:15,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817810430] [2021-11-21 00:02:15,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1817810430] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:02:15,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1272357125] [2021-11-21 00:02:15,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-21 00:02:15,728 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-21 00:02:15,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-21 00:02:15,729 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-21 00:02:15,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-21 00:02:16,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-21 00:02:16,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:02:16,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 00:02:16,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:02:16,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:16,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:02:16,107 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:02:16,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 23 [2021-11-21 00:02:16,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:16,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 34 [2021-11-21 00:02:16,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:16,149 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 21 [2021-11-21 00:02:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:16,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:02:16,779 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:02:16,779 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 4 case distinctions, treesize of input 174 treesize of output 156 [2021-11-21 00:02:16,985 INFO L354 Elim1Store]: treesize reduction 266, result has 9.5 percent of original size [2021-11-21 00:02:16,985 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 3 case distinctions, treesize of input 176 treesize of output 155 [2021-11-21 00:02:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:17,088 INFO L354 Elim1Store]: treesize reduction 138, result has 17.9 percent of original size [2021-11-21 00:02:17,088 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 3 case distinctions, treesize of input 137 treesize of output 107 [2021-11-21 00:02:17,167 INFO L354 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2021-11-21 00:02:17,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 86 treesize of output 103 [2021-11-21 00:02:21,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:21,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:21,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:21,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:02:21,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:21,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:02:22,382 INFO L354 Elim1Store]: treesize reduction 388, result has 7.4 percent of original size [2021-11-21 00:02:22,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 211 treesize of output 203 [2021-11-21 00:02:22,503 INFO L354 Elim1Store]: treesize reduction 74, result has 16.9 percent of original size [2021-11-21 00:02:22,504 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 2 case distinctions, treesize of input 179 treesize of output 174 [2021-11-21 00:02:22,549 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-21 00:02:22,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 152 [2021-11-21 00:02:22,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:22,561 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 146 treesize of output 133 [2021-11-21 00:02:22,631 INFO L354 Elim1Store]: treesize reduction 28, result has 31.7 percent of original size [2021-11-21 00:02:22,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 127 treesize of output 131 [2021-11-21 00:02:24,380 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 124 treesize of output 112 [2021-11-21 00:02:24,633 INFO L354 Elim1Store]: treesize reduction 72, result has 43.3 percent of original size [2021-11-21 00:02:24,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 112 treesize of output 142 [2021-11-21 00:02:24,679 INFO L354 Elim1Store]: treesize reduction 130, result has 0.8 percent of original size [2021-11-21 00:02:24,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 143 treesize of output 101 [2021-11-21 00:02:26,308 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-11-21 00:02:26,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 76 [2021-11-21 00:02:26,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:02:26,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:02:26,412 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 55 treesize of output 37 [2021-11-21 00:02:28,432 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimCell_353 (_ BitVec 32))) (bvsgt (select (select (store |c_#memory_int| v_arrayElimCell_353 (let ((.cse0 (select |c_#memory_int| v_arrayElimCell_353)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~list~0#1.offset|)))) (store .cse0 .cse1 (bvadd (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|) (select .cse0 .cse1))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32))) is different from false [2021-11-21 00:02:30,460 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimCell_353 (_ BitVec 32))) (bvsgt (select (select (store |c_#memory_int| v_arrayElimCell_353 (let ((.cse0 (select |c_#memory_int| v_arrayElimCell_353)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse0 .cse1 (bvadd (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32))) is different from false [2021-11-21 00:02:32,703 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_93 (_ BitVec 32)) (v_DerPreprocessor_91 (_ BitVec 32)) (v_DerPreprocessor_92 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_27| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_90 (_ BitVec 32)) (v_arrayElimCell_353 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_27|))) (bvsgt (select (select (let ((.cse4 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse0 (let ((.cse5 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_27| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_27|) (_ bv0 32) |ULTIMATE.start_main_~x~0#1|) (_ bv4 32) v_DerPreprocessor_93) (_ bv8 32) v_DerPreprocessor_92)))) (store .cse5 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 v_DerPreprocessor_91))))) (store .cse0 v_arrayElimCell_353 (let ((.cse1 (select .cse0 v_arrayElimCell_353)) (.cse2 (select (select (let ((.cse3 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_27| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_27|) (_ bv0 32) v_DerPreprocessor_90) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse3 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse1 .cse2 (bvadd (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse1 .cse2))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) is different from false [2021-11-21 00:02:37,373 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~n~0#1.offset_27| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_28| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_27| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_33| (_ BitVec 32)) (v_DerPreprocessor_90 (_ BitVec 32)) (v_arrayElimCell_353 (_ BitVec 32)) (v_DerPreprocessor_93 (_ BitVec 32)) (v_DerPreprocessor_94 (_ BitVec 32)) (v_DerPreprocessor_91 (_ BitVec 32)) (v_DerPreprocessor_92 (_ BitVec 32)) (v_DerPreprocessor_97 (_ BitVec 32)) (v_DerPreprocessor_95 (_ BitVec 32)) (v_DerPreprocessor_96 (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_28| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_27|))) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_28|))))) (bvsgt (select (select (let ((.cse4 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse7 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_27|)) (.cse8 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_27|))) (let ((.cse0 (let ((.cse9 (let ((.cse10 (let ((.cse11 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_28| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_28|) |v_ULTIMATE.start_main_~n~0#1.offset_27| |ULTIMATE.start_main_~x~0#1|) .cse7 v_DerPreprocessor_97) .cse8 v_DerPreprocessor_96)))) (store .cse11 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse11 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 v_DerPreprocessor_95))))) (store .cse10 |v_ULTIMATE.start_main_~n~0#1.base_27| (store (store (store (select .cse10 |v_ULTIMATE.start_main_~n~0#1.base_27|) (_ bv0 32) |v_ULTIMATE.start_main_~x~0#1_33|) (_ bv4 32) v_DerPreprocessor_93) (_ bv8 32) v_DerPreprocessor_92))))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 v_DerPreprocessor_91))))) (store .cse0 v_arrayElimCell_353 (let ((.cse1 (select .cse0 v_arrayElimCell_353)) (.cse2 (select (select (let ((.cse3 (let ((.cse5 (let ((.cse6 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_28| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_28|) |v_ULTIMATE.start_main_~n~0#1.offset_27| v_DerPreprocessor_94) .cse7 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse8 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse6 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse6 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 |v_ULTIMATE.start_main_~n~0#1.offset_27|))))) (store .cse5 |v_ULTIMATE.start_main_~n~0#1.base_27| (store (store (store (select .cse5 |v_ULTIMATE.start_main_~n~0#1.base_27|) (_ bv0 32) v_DerPreprocessor_90) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse3 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse1 .cse2 (bvadd (select .cse1 .cse2) (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) is different from false [2021-11-21 00:02:41,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2021-11-21 00:02:41,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1272357125] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:02:41,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252314913] [2021-11-21 00:02:41,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-21 00:02:41,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:02:41,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:02:41,161 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:02:41,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-21 00:02:42,239 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-21 00:02:42,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:02:42,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 00:02:42,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:02:42,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:42,269 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 18 treesize of output 19 [2021-11-21 00:02:42,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:42,284 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 18 treesize of output 19 [2021-11-21 00:02:42,321 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:02:42,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 22 [2021-11-21 00:02:42,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:42,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 34 [2021-11-21 00:02:42,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:42,357 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 21 [2021-11-21 00:02:42,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:42,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:02:43,945 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:02:43,945 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 4 case distinctions, treesize of input 245 treesize of output 227 [2021-11-21 00:02:43,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:43,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:43,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:02:44,295 INFO L354 Elim1Store]: treesize reduction 550, result has 8.8 percent of original size [2021-11-21 00:02:44,295 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 4 case distinctions, treesize of input 274 treesize of output 238 [2021-11-21 00:02:44,469 INFO L354 Elim1Store]: treesize reduction 350, result has 8.9 percent of original size [2021-11-21 00:02:44,469 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 3 case distinctions, treesize of input 282 treesize of output 249 [2021-11-21 00:02:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:44,601 INFO L354 Elim1Store]: treesize reduction 180, result has 16.7 percent of original size [2021-11-21 00:02:44,602 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 3 case distinctions, treesize of input 231 treesize of output 183 [2021-11-21 00:02:44,676 INFO L354 Elim1Store]: treesize reduction 54, result has 40.7 percent of original size [2021-11-21 00:02:44,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 156 treesize of output 179 [2021-11-21 00:02:47,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:49,864 INFO L354 Elim1Store]: treesize reduction 944, result has 6.1 percent of original size [2021-11-21 00:02:49,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 354 treesize of output 330 [2021-11-21 00:02:49,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,636 INFO L354 Elim1Store]: treesize reduction 1082, result has 6.0 percent of original size [2021-11-21 00:02:50,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 364 treesize of output 301 [2021-11-21 00:02:50,808 INFO L354 Elim1Store]: treesize reduction 350, result has 8.9 percent of original size [2021-11-21 00:02:50,809 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 3 case distinctions, treesize of input 333 treesize of output 300 [2021-11-21 00:02:50,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,922 INFO L354 Elim1Store]: treesize reduction 180, result has 16.7 percent of original size [2021-11-21 00:02:50,922 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 3 case distinctions, treesize of input 282 treesize of output 234 [2021-11-21 00:02:50,982 INFO L354 Elim1Store]: treesize reduction 28, result has 52.5 percent of original size [2021-11-21 00:02:50,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 207 treesize of output 223 [2021-11-21 00:02:52,429 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-21 00:02:52,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 341 treesize of output 153 [2021-11-21 00:02:52,487 INFO L354 Elim1Store]: treesize reduction 104, result has 9.6 percent of original size [2021-11-21 00:02:52,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 117 treesize of output 103 [2021-11-21 00:02:52,509 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-21 00:02:52,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 94 treesize of output 66 [2021-11-21 00:02:52,605 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:02:52,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2021-11-21 00:02:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:02:52,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:02:54,943 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~n~0#1.offset_29| (_ BitVec 32)) (v_DerPreprocessor_104 (_ BitVec 32)) (v_DerPreprocessor_105 (_ BitVec 32)) (v_DerPreprocessor_106 (_ BitVec 32)) (v_DerPreprocessor_107 (_ BitVec 32)) (v_DerPreprocessor_108 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_30| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_30|))))) (bvsgt (select (select (let ((.cse8 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse6 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_29|)) (.cse7 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_29|))) (let ((.cse0 (let ((.cse10 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_30| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_30|) |v_ULTIMATE.start_main_~n~0#1.offset_29| |ULTIMATE.start_main_~x~0#1|) .cse6 v_DerPreprocessor_107) .cse7 v_DerPreprocessor_106)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_105)))) (.cse1 (select (select (let ((.cse9 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_30| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_30|) |v_ULTIMATE.start_main_~n~0#1.offset_29| v_DerPreprocessor_104) .cse6 |c_ULTIMATE.start_main_~m~0#1.base|) .cse7 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_30|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_30| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_30|) |v_ULTIMATE.start_main_~n~0#1.offset_29| v_DerPreprocessor_108) .cse6 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse7 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_29|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse2 .cse3 (bvadd (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) is different from false [2021-11-21 00:03:05,391 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_110 (_ BitVec 32)) (v_DerPreprocessor_111 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_29| (_ BitVec 32)) (v_DerPreprocessor_112 (_ BitVec 32)) (v_DerPreprocessor_113 (_ BitVec 32)) (v_DerPreprocessor_104 (_ BitVec 32)) (v_DerPreprocessor_105 (_ BitVec 32)) (v_DerPreprocessor_106 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_37| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_30| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_31| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_30| (_ BitVec 32)) (v_DerPreprocessor_107 (_ BitVec 32)) (v_DerPreprocessor_108 (_ BitVec 32)) (v_DerPreprocessor_109 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_31|))) (bvsgt (select (select (let ((.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse7 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_29|)) (.cse8 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_29|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse10 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_30|)) (.cse11 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_30|))) (let ((.cse0 (let ((.cse16 (let ((.cse17 (let ((.cse18 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_31| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_31|) |v_ULTIMATE.start_main_~n~0#1.offset_30| |ULTIMATE.start_main_~x~0#1|) .cse10 v_DerPreprocessor_112) .cse11 v_DerPreprocessor_111)))) (store .cse18 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse18 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_110))))) (store .cse17 |v_ULTIMATE.start_main_~n~0#1.base_30| (store (store (store (select .cse17 |v_ULTIMATE.start_main_~n~0#1.base_30|) |v_ULTIMATE.start_main_~n~0#1.offset_29| |v_ULTIMATE.start_main_~x~0#1_37|) .cse7 v_DerPreprocessor_107) .cse8 v_DerPreprocessor_106))))) (store .cse16 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse16 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_105)))) (.cse1 (select (select (let ((.cse13 (let ((.cse14 (let ((.cse15 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_31| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_31|) |v_ULTIMATE.start_main_~n~0#1.offset_30| v_DerPreprocessor_109) .cse10 |c_ULTIMATE.start_main_~m~0#1.base|) .cse11 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse15 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse15 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_31|))))) (store .cse14 |v_ULTIMATE.start_main_~n~0#1.base_30| (store (store (store (select .cse14 |v_ULTIMATE.start_main_~n~0#1.base_30|) |v_ULTIMATE.start_main_~n~0#1.offset_29| v_DerPreprocessor_104) .cse7 |c_ULTIMATE.start_main_~m~0#1.base|) .cse8 |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse13 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse13 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_30|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (let ((.cse6 (let ((.cse9 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_31| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_31|) |v_ULTIMATE.start_main_~n~0#1.offset_30| v_DerPreprocessor_113) .cse10 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse11 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_30|))))) (store .cse6 |v_ULTIMATE.start_main_~n~0#1.base_30| (store (store (store (select .cse6 |v_ULTIMATE.start_main_~n~0#1.base_30|) |v_ULTIMATE.start_main_~n~0#1.offset_29| v_DerPreprocessor_108) .cse7 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse8 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_29|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (store .cse2 .cse3 (bvadd (select .cse2 .cse3) (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_31| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_30|)))))))) is different from false [2021-11-21 00:03:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2021-11-21 00:03:18,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252314913] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:03:18,933 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-21 00:03:18,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 9, 8, 8] total 29 [2021-11-21 00:03:18,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680387710] [2021-11-21 00:03:18,934 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-21 00:03:18,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-21 00:03:18,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:03:18,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-21 00:03:18,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=333, Unknown=10, NotChecked=360, Total=812 [2021-11-21 00:03:18,936 INFO L87 Difference]: Start difference. First operand 32 states and 45 transitions. Second operand has 29 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 29 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) [2021-11-21 00:03:21,564 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse2 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse0 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse22 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~m~0#1.base|)) (_ bv1 1))) (= (_ bv0 32) |c_ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (= (select .cse0 .cse1) |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~list~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~head~0#1.base| (select .cse2 .cse1)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (_ bv1 32)) (forall ((|v_ULTIMATE.start_main_~n~0#1.base_24| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_23| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_29| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_24| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_23| (_ BitVec 32)) (v_DerPreprocessor_82 (_ BitVec 32)) (v_DerPreprocessor_83 (_ BitVec 32)) (v_DerPreprocessor_80 (_ BitVec 32)) (v_DerPreprocessor_81 (_ BitVec 32)) (v_DerPreprocessor_86 (_ BitVec 32)) (v_DerPreprocessor_84 (_ BitVec 32)) (v_DerPreprocessor_85 (_ BitVec 32)) (v_DerPreprocessor_79 (_ BitVec 32)) (v_DerPreprocessor_77 (_ BitVec 32)) (v_DerPreprocessor_78 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse15 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse10 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_23|)) (.cse11 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_23|)) (.cse8 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse13 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_24|)) (.cse14 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_24|))) (let ((.cse3 (let ((.cse19 (let ((.cse20 (let ((.cse21 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_24| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_24|) |v_ULTIMATE.start_main_~n~0#1.offset_24| |ULTIMATE.start_main_~x~0#1|) .cse13 v_DerPreprocessor_85) .cse14 v_DerPreprocessor_84)))) (store .cse21 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse21 |c_ULTIMATE.start_main_~list~0#1.base|) .cse8 v_DerPreprocessor_83))))) (store .cse20 |v_ULTIMATE.start_main_~n~0#1.base_23| (store (store (store (select .cse20 |v_ULTIMATE.start_main_~n~0#1.base_23|) |v_ULTIMATE.start_main_~n~0#1.offset_23| |v_ULTIMATE.start_main_~x~0#1_29|) .cse10 v_DerPreprocessor_80) .cse11 v_DerPreprocessor_79))))) (store .cse19 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse19 |c_ULTIMATE.start_main_~list~0#1.base|) .cse8 v_DerPreprocessor_78)))) (.cse4 (select (select (let ((.cse16 (let ((.cse17 (let ((.cse18 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_24| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_24|) |v_ULTIMATE.start_main_~n~0#1.offset_24| v_DerPreprocessor_82) .cse13 |c_ULTIMATE.start_main_~m~0#1.base|) .cse14 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse18 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse18 |c_ULTIMATE.start_main_~list~0#1.base|) .cse8 |v_ULTIMATE.start_main_~n~0#1.base_24|))))) (store .cse17 |v_ULTIMATE.start_main_~n~0#1.base_23| (store (store (store (select .cse17 |v_ULTIMATE.start_main_~n~0#1.base_23|) |v_ULTIMATE.start_main_~n~0#1.offset_23| v_DerPreprocessor_77) .cse10 |c_ULTIMATE.start_main_~m~0#1.base|) .cse11 |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse16 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse16 |c_ULTIMATE.start_main_~list~0#1.base|) .cse8 |v_ULTIMATE.start_main_~n~0#1.base_23|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse15))) (store .cse3 .cse4 (let ((.cse5 (select .cse3 .cse4)) (.cse6 (select (select (let ((.cse7 (let ((.cse9 (let ((.cse12 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_24| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_24|) |v_ULTIMATE.start_main_~n~0#1.offset_24| v_DerPreprocessor_86) .cse13 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse14 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse12 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse12 |c_ULTIMATE.start_main_~list~0#1.base|) .cse8 |v_ULTIMATE.start_main_~n~0#1.offset_24|))))) (store .cse9 |v_ULTIMATE.start_main_~n~0#1.base_23| (store (store (store (select .cse9 |v_ULTIMATE.start_main_~n~0#1.base_23|) |v_ULTIMATE.start_main_~n~0#1.offset_23| v_DerPreprocessor_81) .cse10 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse11 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse7 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse7 |c_ULTIMATE.start_main_~list~0#1.base|) .cse8 |v_ULTIMATE.start_main_~n~0#1.offset_23|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse15))) (store .cse5 .cse6 (bvadd (select (select .cse3 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse5 .cse6))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_24| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_23|)))) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_24|))))))) (= (select .cse2 .cse22) |c_ULTIMATE.start_main_~m~0#1.base|) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (forall ((v_DerPreprocessor_110 (_ BitVec 32)) (v_DerPreprocessor_111 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_29| (_ BitVec 32)) (v_DerPreprocessor_112 (_ BitVec 32)) (v_DerPreprocessor_113 (_ BitVec 32)) (v_DerPreprocessor_104 (_ BitVec 32)) (v_DerPreprocessor_105 (_ BitVec 32)) (v_DerPreprocessor_106 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_37| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_30| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_31| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_30| (_ BitVec 32)) (v_DerPreprocessor_107 (_ BitVec 32)) (v_DerPreprocessor_108 (_ BitVec 32)) (v_DerPreprocessor_109 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_31|))) (bvsgt (select (select (let ((.cse35 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse30 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_29|)) (.cse31 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_29|)) (.cse28 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse33 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_30|)) (.cse34 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_30|))) (let ((.cse23 (let ((.cse39 (let ((.cse40 (let ((.cse41 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_31| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_31|) |v_ULTIMATE.start_main_~n~0#1.offset_30| |ULTIMATE.start_main_~x~0#1|) .cse33 v_DerPreprocessor_112) .cse34 v_DerPreprocessor_111)))) (store .cse41 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse41 |c_ULTIMATE.start_main_~list~0#1.base|) .cse28 v_DerPreprocessor_110))))) (store .cse40 |v_ULTIMATE.start_main_~n~0#1.base_30| (store (store (store (select .cse40 |v_ULTIMATE.start_main_~n~0#1.base_30|) |v_ULTIMATE.start_main_~n~0#1.offset_29| |v_ULTIMATE.start_main_~x~0#1_37|) .cse30 v_DerPreprocessor_107) .cse31 v_DerPreprocessor_106))))) (store .cse39 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse39 |c_ULTIMATE.start_main_~list~0#1.base|) .cse28 v_DerPreprocessor_105)))) (.cse24 (select (select (let ((.cse36 (let ((.cse37 (let ((.cse38 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_31| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_31|) |v_ULTIMATE.start_main_~n~0#1.offset_30| v_DerPreprocessor_109) .cse33 |c_ULTIMATE.start_main_~m~0#1.base|) .cse34 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse38 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse38 |c_ULTIMATE.start_main_~list~0#1.base|) .cse28 |v_ULTIMATE.start_main_~n~0#1.base_31|))))) (store .cse37 |v_ULTIMATE.start_main_~n~0#1.base_30| (store (store (store (select .cse37 |v_ULTIMATE.start_main_~n~0#1.base_30|) |v_ULTIMATE.start_main_~n~0#1.offset_29| v_DerPreprocessor_104) .cse30 |c_ULTIMATE.start_main_~m~0#1.base|) .cse31 |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse36 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse36 |c_ULTIMATE.start_main_~list~0#1.base|) .cse28 |v_ULTIMATE.start_main_~n~0#1.base_30|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse35))) (store .cse23 .cse24 (let ((.cse25 (select .cse23 .cse24)) (.cse26 (select (select (let ((.cse27 (let ((.cse29 (let ((.cse32 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_31| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_31|) |v_ULTIMATE.start_main_~n~0#1.offset_30| v_DerPreprocessor_113) .cse33 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse34 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse32 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse32 |c_ULTIMATE.start_main_~list~0#1.base|) .cse28 |v_ULTIMATE.start_main_~n~0#1.offset_30|))))) (store .cse29 |v_ULTIMATE.start_main_~n~0#1.base_30| (store (store (store (select .cse29 |v_ULTIMATE.start_main_~n~0#1.base_30|) |v_ULTIMATE.start_main_~n~0#1.offset_29| v_DerPreprocessor_108) .cse30 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse31 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse27 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse27 |c_ULTIMATE.start_main_~list~0#1.base|) .cse28 |v_ULTIMATE.start_main_~n~0#1.offset_29|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse35))) (store .cse25 .cse26 (bvadd (select .cse25 .cse26) (select (select .cse23 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_31| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_30|)))))))) (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|) (forall ((|v_ULTIMATE.start_main_~n~0#1.offset_27| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_28| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_27| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_33| (_ BitVec 32)) (v_DerPreprocessor_90 (_ BitVec 32)) (v_arrayElimCell_353 (_ BitVec 32)) (v_DerPreprocessor_93 (_ BitVec 32)) (v_DerPreprocessor_94 (_ BitVec 32)) (v_DerPreprocessor_91 (_ BitVec 32)) (v_DerPreprocessor_92 (_ BitVec 32)) (v_DerPreprocessor_97 (_ BitVec 32)) (v_DerPreprocessor_95 (_ BitVec 32)) (v_DerPreprocessor_96 (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_28| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_27|))) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_28|))))) (bvsgt (select (select (let ((.cse46 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse49 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_27|)) (.cse50 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_27|))) (let ((.cse42 (let ((.cse51 (let ((.cse52 (let ((.cse53 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_28| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_28|) |v_ULTIMATE.start_main_~n~0#1.offset_27| |ULTIMATE.start_main_~x~0#1|) .cse49 v_DerPreprocessor_97) .cse50 v_DerPreprocessor_96)))) (store .cse53 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse53 |c_ULTIMATE.start_main_~list~0#1.base|) .cse46 v_DerPreprocessor_95))))) (store .cse52 |v_ULTIMATE.start_main_~n~0#1.base_27| (store (store (store (select .cse52 |v_ULTIMATE.start_main_~n~0#1.base_27|) (_ bv0 32) |v_ULTIMATE.start_main_~x~0#1_33|) (_ bv4 32) v_DerPreprocessor_93) (_ bv8 32) v_DerPreprocessor_92))))) (store .cse51 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse51 |c_ULTIMATE.start_main_~list~0#1.base|) .cse46 v_DerPreprocessor_91))))) (store .cse42 v_arrayElimCell_353 (let ((.cse43 (select .cse42 v_arrayElimCell_353)) (.cse44 (select (select (let ((.cse45 (let ((.cse47 (let ((.cse48 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_28| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_28|) |v_ULTIMATE.start_main_~n~0#1.offset_27| v_DerPreprocessor_94) .cse49 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse50 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse48 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse48 |c_ULTIMATE.start_main_~list~0#1.base|) .cse46 |v_ULTIMATE.start_main_~n~0#1.offset_27|))))) (store .cse47 |v_ULTIMATE.start_main_~n~0#1.base_27| (store (store (store (select .cse47 |v_ULTIMATE.start_main_~n~0#1.base_27|) (_ bv0 32) v_DerPreprocessor_90) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse45 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse45 |c_ULTIMATE.start_main_~list~0#1.base|) .cse46 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse43 .cse44 (bvadd (select .cse43 .cse44) (select (select .cse42 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse0 .cse22)))) is different from true [2021-11-21 00:04:04,710 WARN L227 SmtUtils]: Spent 19.41s on a formula simplification. DAG size of input: 273 DAG size of output: 104 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-21 00:04:07,042 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse10 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse15 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse16 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (let ((.cse14 (select .cse15 .cse16)) (.cse9 (select .cse10 .cse16))) (let ((.cse4 (select |c_#memory_$Pointer$.offset| .cse9)) (.cse1 (bvadd (_ bv8 32) .cse14)) (.cse0 (select |c_#memory_$Pointer$.base| .cse9)) (.cse5 (bvadd (_ bv4 32) .cse14)) (.cse11 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (= |c_ULTIMATE.start_main_~head~0#1.base| (select .cse0 .cse1)) (forall ((v_arrayElimCell_353 (_ BitVec 32))) (bvsgt (select (select (store |c_#memory_int| v_arrayElimCell_353 (let ((.cse2 (select |c_#memory_int| v_arrayElimCell_353)) (.cse3 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse2 .cse3 (bvadd (select .cse2 .cse3) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32))) (= (_ bv0 32) |c_ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (= (select .cse4 .cse5) |c_ULTIMATE.start_main_~m~0#1.offset|) (exists ((v_arrayElimIndex_26 (_ BitVec 32)) (v_arrayElimIndex_24 (_ BitVec 32))) (let ((.cse6 (select |c_#memory_$Pointer$.offset| v_arrayElimIndex_24)) (.cse8 (select |c_#memory_$Pointer$.base| v_arrayElimIndex_24)) (.cse7 (bvadd (_ bv4 32) v_arrayElimIndex_26))) (and (not (= v_arrayElimIndex_24 |c_ULTIMATE.start_main_~m~0#1.base|)) (= (select .cse6 .cse7) |c_ULTIMATE.start_main_~head~0#1.offset|) (= (select .cse8 v_arrayElimIndex_26) |c_ULTIMATE.start_main_~m~0#1.base|) (= (select .cse6 v_arrayElimIndex_26) |c_ULTIMATE.start_main_~m~0#1.offset|) (not (= |c_ULTIMATE.start_main_~head~0#1.base| v_arrayElimIndex_24)) (not (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) v_arrayElimIndex_24)) (= (select .cse8 .cse7) |c_ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (_ bv1 32)) (not (= |c_ULTIMATE.start_main_~head~0#1.base| .cse9)) (= (select .cse10 .cse11) |c_ULTIMATE.start_main_~m~0#1.base|) (not (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~m~0#1.base|)) (= (select .cse4 .cse1) |c_ULTIMATE.start_main_~head~0#1.offset|) (exists ((|v_ULTIMATE.start_main_~n~0#1.base_26| (_ BitVec 32)) (v_arrayElimIndex_34 (_ BitVec 32)) (|ULTIMATE.start_main_~n~0#1.base| (_ BitVec 32))) (let ((.cse12 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|)) (.cse13 (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_26|))) (and (= (select .cse12 (_ bv4 32)) |c_ULTIMATE.start_main_~m~0#1.offset|) (not (= |c_ULTIMATE.start_main_~head~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_26|)) (= (select .cse13 (bvadd (_ bv4294967292 32) v_arrayElimIndex_34)) |c_ULTIMATE.start_main_~m~0#1.offset|) (= (select .cse12 (_ bv8 32)) |c_ULTIMATE.start_main_~head~0#1.offset|) (not (= |c_ULTIMATE.start_main_~head~0#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (not (= |c_ULTIMATE.start_main_~m~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_26|)) (not (= |c_ULTIMATE.start_main_~m~0#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_26|)) (= (select .cse13 v_arrayElimIndex_34) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (= .cse14 (_ bv0 32)) (= |c_ULTIMATE.start_main_~m~0#1.base| (select .cse0 .cse5)) (not (= .cse9 |c_ULTIMATE.start_main_~m~0#1.base|)) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse15 .cse11)))))) is different from false [2021-11-21 00:04:09,131 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (exists ((|v_ULTIMATE.start_main_~n~0#1.base_26| (_ BitVec 32)) (v_arrayElimIndex_34 (_ BitVec 32)) (|ULTIMATE.start_main_~n~0#1.base| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_26|)) (.cse0 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|))) (and (= (select .cse0 (_ bv4 32)) |c_ULTIMATE.start_main_~m~0#1.offset|) (= (select .cse1 v_arrayElimIndex_34) (_ bv0 32)) (= (select .cse1 (bvadd (_ bv4294967292 32) v_arrayElimIndex_34)) |c_ULTIMATE.start_main_~m~0#1.offset|) (= (select .cse0 (_ bv8 32)) (_ bv0 32)) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (not (= |c_ULTIMATE.start_main_~m~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_26|)) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_26|)) (not (= |c_ULTIMATE.start_main_~m~0#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_26|))))) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (= (select .cse2 (_ bv8 32)) (_ bv0 32)) (forall ((v_arrayElimCell_353 (_ BitVec 32))) (bvsgt (select (select (store |c_#memory_int| v_arrayElimCell_353 (let ((.cse3 (select |c_#memory_int| v_arrayElimCell_353)) (.cse4 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~list~0#1.offset|)))) (store .cse3 .cse4 (bvadd (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|) (select .cse3 .cse4))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32))) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~m~0#1.base|)) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse2 (_ bv4 32))) (exists ((v_arrayElimIndex_26 (_ BitVec 32)) (v_arrayElimIndex_24 (_ BitVec 32))) (let ((.cse14 (select |c_#memory_$Pointer$.base| v_arrayElimIndex_24)) (.cse11 (bvadd (_ bv4 32) v_arrayElimIndex_26))) (let ((.cse5 (select .cse14 .cse11))) (let ((.cse12 (select |c_#memory_$Pointer$.base| .cse5)) (.cse15 (select |c_#memory_$Pointer$.offset| .cse5))) (let ((.cse16 (select .cse15 (_ bv8 32))) (.cse9 (select .cse12 (_ bv8 32)))) (let ((.cse6 (select |c_#memory_$Pointer$.offset| .cse9)) (.cse7 (bvadd (_ bv4 32) .cse16)) (.cse10 (select |c_#memory_$Pointer$.offset| v_arrayElimIndex_24)) (.cse13 (select |c_#memory_$Pointer$.base| .cse9)) (.cse8 (bvadd (_ bv8 32) .cse16))) (and (= .cse5 |c_ULTIMATE.start_main_~list~0#1.base|) (not (= v_arrayElimIndex_24 |c_ULTIMATE.start_main_~m~0#1.base|)) (= (select .cse6 .cse7) |c_ULTIMATE.start_main_~m~0#1.offset|) (= (_ bv0 32) (select .cse6 .cse8)) (not (= .cse5 .cse9)) (= (select .cse10 .cse11) (_ bv0 32)) (not (= .cse9 |c_ULTIMATE.start_main_~m~0#1.base|)) (not (= v_arrayElimIndex_24 .cse9)) (= (select .cse12 (_ bv4 32)) |c_ULTIMATE.start_main_~m~0#1.base|) (= |c_ULTIMATE.start_main_~m~0#1.base| (select .cse13 .cse7)) (= (select .cse14 v_arrayElimIndex_26) |c_ULTIMATE.start_main_~m~0#1.base|) (= (select .cse10 v_arrayElimIndex_26) |c_ULTIMATE.start_main_~m~0#1.offset|) (= (select .cse15 (_ bv4 32)) |c_ULTIMATE.start_main_~m~0#1.offset|) (= .cse5 (select .cse13 .cse8)) (not (= .cse5 v_arrayElimIndex_24)) (= (select (select |c_#memory_int| .cse5) (_ bv0 32)) (_ bv1 32))))))))) (= |c_ULTIMATE.start_main_~list~0#1.offset| (_ bv0 32)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) (_ bv0 32)) (_ bv1 32)))) is different from false [2021-11-21 00:04:09,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:04:09,597 INFO L93 Difference]: Finished difference Result 54 states and 76 transitions. [2021-11-21 00:04:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-21 00:04:09,598 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 29 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) Word has length 14 [2021-11-21 00:04:09,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:04:09,599 INFO L225 Difference]: With dead ends: 54 [2021-11-21 00:04:09,599 INFO L226 Difference]: Without dead ends: 47 [2021-11-21 00:04:09,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 11 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 76.1s TimeCoverageRelationStatistics Valid=139, Invalid=433, Unknown=24, NotChecked=594, Total=1190 [2021-11-21 00:04:09,600 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 7 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 358 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:04:09,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 108 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 358 Unchecked, 0.6s Time] [2021-11-21 00:04:09,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-21 00:04:09,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 40. [2021-11-21 00:04:09,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.5128205128205128) internal successors, (59), 39 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) [2021-11-21 00:04:09,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 59 transitions. [2021-11-21 00:04:09,611 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 59 transitions. Word has length 14 [2021-11-21 00:04:09,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:04:09,611 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 59 transitions. [2021-11-21 00:04:09,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 29 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) [2021-11-21 00:04:09,611 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2021-11-21 00:04:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 00:04:09,612 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:04:09,612 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:04:09,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-11-21 00:04:09,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-21 00:04:10,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-21 00:04:10,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:04:10,213 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:04:10,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:04:10,214 INFO L85 PathProgramCache]: Analyzing trace with hash 2112405086, now seen corresponding path program 1 times [2021-11-21 00:04:10,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:04:10,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108162627] [2021-11-21 00:04:10,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:04:10,214 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:04:10,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:04:10,215 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:04:10,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-21 00:04:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:04:10,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 00:04:10,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:04:10,587 INFO L354 Elim1Store]: treesize reduction 75, result has 29.9 percent of original size [2021-11-21 00:04:10,587 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 2 case distinctions, treesize of input 58 treesize of output 51 [2021-11-21 00:04:10,688 INFO L354 Elim1Store]: treesize reduction 62, result has 28.7 percent of original size [2021-11-21 00:04:10,688 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 51 treesize of output 48 [2021-11-21 00:04:10,873 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:04:10,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 22 [2021-11-21 00:04:11,241 INFO L354 Elim1Store]: treesize reduction 158, result has 12.2 percent of original size [2021-11-21 00:04:11,241 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 3 case distinctions, treesize of input 106 treesize of output 97 [2021-11-21 00:04:11,382 INFO L354 Elim1Store]: treesize reduction 120, result has 20.0 percent of original size [2021-11-21 00:04:11,383 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 3 case distinctions, treesize of input 85 treesize of output 67 [2021-11-21 00:04:11,488 INFO L354 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2021-11-21 00:04:11,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 69 [2021-11-21 00:04:11,866 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-11-21 00:04:11,866 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 2 case distinctions, treesize of input 128 treesize of output 116 [2021-11-21 00:04:11,952 INFO L354 Elim1Store]: treesize reduction 110, result has 13.4 percent of original size [2021-11-21 00:04:11,952 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 2 case distinctions, treesize of input 107 treesize of output 80 [2021-11-21 00:04:12,019 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-11-21 00:04:12,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 72 [2021-11-21 00:04:12,159 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 80 treesize of output 56 [2021-11-21 00:04:12,164 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 56 treesize of output 38 [2021-11-21 00:04:12,376 INFO L354 Elim1Store]: treesize reduction 61, result has 41.9 percent of original size [2021-11-21 00:04:12,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 61 [2021-11-21 00:04:27,027 INFO L354 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2021-11-21 00:04:27,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 85 treesize of output 85 [2021-11-21 00:04:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:04:27,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:04:27,244 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 76 treesize of output 52 [2021-11-21 00:04:27,249 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 52 treesize of output 34 [2021-11-21 00:04:33,697 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~list~0#1.base_62| (_ BitVec 32)) (|v_ULTIMATE.start_main_~list~0#1.offset_62| (_ BitVec 32)) (v_arrayElimCell_425 (_ BitVec 32)) (v_DerPreprocessor_116 (_ BitVec 32)) (v_DerPreprocessor_117 (_ BitVec 32)) (v_arrayElimCell_426 (_ BitVec 32)) (v_DerPreprocessor_118 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_32| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32))) (let ((.cse1 (let ((.cse3 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_34| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_34|) |v_ULTIMATE.start_main_~n~0#1.offset_32| |ULTIMATE.start_main_~x~0#1|) (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_32|) v_DerPreprocessor_118) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_32|) v_DerPreprocessor_117)))) (store .cse3 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|) v_DerPreprocessor_116))))) (let ((.cse2 (select .cse1 v_arrayElimCell_425))) (let ((.cse0 (select .cse2 v_arrayElimCell_426))) (or (bvsle .cse0 (_ bv100 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_34|))) (bvslt (select (select (store .cse1 v_arrayElimCell_425 (store .cse2 v_arrayElimCell_426 (bvadd .cse0 (bvneg (select (select .cse1 |v_ULTIMATE.start_main_~list~0#1.base_62|) |v_ULTIMATE.start_main_~list~0#1.offset_62|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32))))))) is different from false [2021-11-21 00:04:37,276 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_121 (_ BitVec 32)) (|v_ULTIMATE.start_main_~list~0#1.offset_62| (_ BitVec 32)) (v_DerPreprocessor_116 (_ BitVec 32)) (v_DerPreprocessor_117 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_35| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_33| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_32| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_120 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_41| (_ BitVec 32)) (|v_ULTIMATE.start_main_~list~0#1.base_62| (_ BitVec 32)) (v_arrayElimCell_425 (_ BitVec 32)) (v_arrayElimCell_426 (_ BitVec 32)) (v_DerPreprocessor_118 (_ BitVec 32)) (|ULTIMATE.start_main_~list~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_119 (_ BitVec 32))) (let ((.cse1 (let ((.cse4 (bvadd (_ bv8 32) |ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse3 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_35| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_35|) |v_ULTIMATE.start_main_~n~0#1.offset_33| |ULTIMATE.start_main_~x~0#1|) (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_33|) v_DerPreprocessor_121) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_33|) v_DerPreprocessor_120)))) (store .cse6 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse6 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 v_DerPreprocessor_119))))) (store .cse5 |v_ULTIMATE.start_main_~n~0#1.base_34| (store (store (store (select .cse5 |v_ULTIMATE.start_main_~n~0#1.base_34|) |v_ULTIMATE.start_main_~n~0#1.offset_32| |v_ULTIMATE.start_main_~x~0#1_41|) (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_32|) v_DerPreprocessor_118) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_32|) v_DerPreprocessor_117))))) (store .cse3 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 v_DerPreprocessor_116)))))) (let ((.cse2 (select .cse1 v_arrayElimCell_425))) (let ((.cse0 (select .cse2 v_arrayElimCell_426))) (or (bvsle .cse0 (_ bv100 32)) (not (= (_ bv0 1) (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_35| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_34|)))) (bvslt (select (select (store .cse1 v_arrayElimCell_425 (store .cse2 v_arrayElimCell_426 (bvadd .cse0 (bvneg (select (select .cse1 |v_ULTIMATE.start_main_~list~0#1.base_62|) |v_ULTIMATE.start_main_~list~0#1.offset_62|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_35|)))))))))) is different from false [2021-11-21 00:04:38,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2021-11-21 00:04:38,887 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:04:38,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108162627] [2021-11-21 00:04:38,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108162627] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:04:38,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [342336264] [2021-11-21 00:04:38,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:04:38,888 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-21 00:04:38,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-21 00:04:38,889 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-21 00:04:38,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-11-21 00:04:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:04:39,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-21 00:04:39,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:04:39,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:39,217 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 18 treesize of output 19 [2021-11-21 00:04:39,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:39,240 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 18 treesize of output 19 [2021-11-21 00:04:39,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:39,308 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:04:39,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 38 [2021-11-21 00:04:39,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:39,325 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:04:39,325 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 38 treesize of output 25 [2021-11-21 00:04:39,387 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:04:39,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 23 [2021-11-21 00:04:41,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:41,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:04:44,469 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:04:44,469 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 4 case distinctions, treesize of input 246 treesize of output 228 [2021-11-21 00:04:44,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:44,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:44,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:04:45,154 INFO L354 Elim1Store]: treesize reduction 466, result has 10.2 percent of original size [2021-11-21 00:04:45,154 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 4 case distinctions, treesize of input 281 treesize of output 257 [2021-11-21 00:04:45,398 INFO L354 Elim1Store]: treesize reduction 358, result has 8.7 percent of original size [2021-11-21 00:04:45,398 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 4 case distinctions, treesize of input 283 treesize of output 250 [2021-11-21 00:04:45,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:45,550 INFO L354 Elim1Store]: treesize reduction 188, result has 16.1 percent of original size [2021-11-21 00:04:45,551 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 4 case distinctions, treesize of input 232 treesize of output 184 [2021-11-21 00:04:45,666 INFO L354 Elim1Store]: treesize reduction 62, result has 37.4 percent of original size [2021-11-21 00:04:45,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 157 treesize of output 180 [2021-11-21 00:04:48,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:48,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:48,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:04:48,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:48,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:04:51,906 INFO L354 Elim1Store]: treesize reduction 724, result has 6.1 percent of original size [2021-11-21 00:04:51,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 331 treesize of output 290 [2021-11-21 00:04:52,501 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-21 00:04:52,501 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 3 case distinctions, treesize of input 358 treesize of output 341 [2021-11-21 00:04:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:52,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:04:52,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:52,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:04:52,934 INFO L354 Elim1Store]: treesize reduction 526, result has 6.6 percent of original size [2021-11-21 00:04:52,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 295 treesize of output 269 [2021-11-21 00:04:52,954 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:04:52,954 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 237 treesize of output 210 [2021-11-21 00:04:53,055 INFO L354 Elim1Store]: treesize reduction 36, result has 46.3 percent of original size [2021-11-21 00:04:53,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 204 treesize of output 220 [2021-11-21 00:04:53,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:53,079 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:04:53,080 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 183 treesize of output 170 [2021-11-21 00:04:59,317 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-21 00:04:59,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 21 case distinctions, treesize of input 390 treesize of output 164 [2021-11-21 00:04:59,346 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-11-21 00:04:59,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 121 treesize of output 1 [2021-11-21 00:04:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:04:59,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:05:06,472 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_132 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_37| (_ BitVec 32)) (v_DerPreprocessor_128 (_ BitVec 32)) (v_DerPreprocessor_129 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_130 (_ BitVec 32)) (v_DerPreprocessor_131 (_ BitVec 32))) (let ((.cse7 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse6 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse1 (let ((.cse9 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) |ULTIMATE.start_main_~x~0#1|) (_ bv4 32) v_DerPreprocessor_131) (_ bv8 32) v_DerPreprocessor_130)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 v_DerPreprocessor_129)))) (.cse2 (select (select (let ((.cse8 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) v_DerPreprocessor_128) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.base|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse8 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse8 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 |v_ULTIMATE.start_main_~n~0#1.base_37|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse7))) (let ((.cse3 (select .cse1 .cse2)) (.cse4 (select (select (let ((.cse5 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) v_DerPreprocessor_132) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse5 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse7))) (let ((.cse0 (select .cse3 .cse4))) (or (bvsle .cse0 (_ bv100 32)) (bvslt (select (select (store .cse1 .cse2 (store .cse3 .cse4 (bvadd .cse0 (bvneg (select (select .cse1 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_37|)))))))))) is different from false [2021-11-21 00:05:23,121 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_132 (_ BitVec 32)) (v_DerPreprocessor_133 (_ BitVec 32)) (v_DerPreprocessor_134 (_ BitVec 32)) (v_DerPreprocessor_135 (_ BitVec 32)) (v_DerPreprocessor_136 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_38| (_ BitVec 32)) (v_DerPreprocessor_137 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_37| (_ BitVec 32)) (v_DerPreprocessor_128 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_36| (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_45| (_ BitVec 32)) (v_DerPreprocessor_130 (_ BitVec 32)) (v_DerPreprocessor_131 (_ BitVec 32)) (v_DerPreprocessor_129 (_ BitVec 32))) (let ((.cse11 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse6 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse9 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_36|)) (.cse10 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_36|))) (let ((.cse0 (let ((.cse15 (let ((.cse16 (let ((.cse17 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_38| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_38|) |v_ULTIMATE.start_main_~n~0#1.offset_36| |ULTIMATE.start_main_~x~0#1|) .cse9 v_DerPreprocessor_136) .cse10 v_DerPreprocessor_135)))) (store .cse17 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse17 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 v_DerPreprocessor_134))))) (store .cse16 |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select .cse16 |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) |v_ULTIMATE.start_main_~x~0#1_45|) (_ bv4 32) v_DerPreprocessor_131) (_ bv8 32) v_DerPreprocessor_130))))) (store .cse15 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse15 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 v_DerPreprocessor_129)))) (.cse1 (select (select (let ((.cse12 (let ((.cse13 (let ((.cse14 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_38| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_38|) |v_ULTIMATE.start_main_~n~0#1.offset_36| v_DerPreprocessor_133) .cse9 |c_ULTIMATE.start_main_~m~0#1.base|) .cse10 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse14 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse14 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 |v_ULTIMATE.start_main_~n~0#1.base_38|))))) (store .cse13 |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select .cse13 |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) v_DerPreprocessor_128) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.base|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse12 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse12 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 |v_ULTIMATE.start_main_~n~0#1.base_37|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse11))) (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse5 (let ((.cse7 (let ((.cse8 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_38| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_38|) |v_ULTIMATE.start_main_~n~0#1.offset_36| v_DerPreprocessor_137) .cse9 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse10 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse8 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse8 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 |v_ULTIMATE.start_main_~n~0#1.offset_36|))))) (store .cse7 |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select .cse7 |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) v_DerPreprocessor_132) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse5 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse11))) (let ((.cse4 (select .cse2 .cse3))) (or (bvslt (select (select (store .cse0 .cse1 (store .cse2 .cse3 (bvadd .cse4 (bvneg (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_38|)))) (bvsle .cse4 (_ bv100 32)) (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_38| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_37|))))))))))) is different from false [2021-11-21 00:05:42,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2021-11-21 00:05:42,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [342336264] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:05:42,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174650854] [2021-11-21 00:05:42,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:05:42,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:05:42,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:05:42,349 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:05:42,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-21 00:05:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:05:42,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 00:05:42,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:05:42,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:05:42,460 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 18 treesize of output 19 [2021-11-21 00:05:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:05:42,492 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 18 treesize of output 19 [2021-11-21 00:05:42,566 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:05:42,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 22 [2021-11-21 00:05:42,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:05:42,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 34 [2021-11-21 00:05:42,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:05:42,622 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 21 [2021-11-21 00:05:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:05:42,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:05:44,296 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:05:44,297 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 4 case distinctions, treesize of input 250 treesize of output 232 [2021-11-21 00:05:44,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:05:44,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:05:44,695 INFO L354 Elim1Store]: treesize reduction 550, result has 8.8 percent of original size [2021-11-21 00:05:44,696 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 4 case distinctions, treesize of input 279 treesize of output 243 [2021-11-21 00:05:44,891 INFO L354 Elim1Store]: treesize reduction 350, result has 8.9 percent of original size [2021-11-21 00:05:44,891 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 3 case distinctions, treesize of input 287 treesize of output 254 [2021-11-21 00:05:44,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:05:45,019 INFO L354 Elim1Store]: treesize reduction 180, result has 16.7 percent of original size [2021-11-21 00:05:45,020 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 3 case distinctions, treesize of input 236 treesize of output 188 [2021-11-21 00:05:45,129 INFO L354 Elim1Store]: treesize reduction 54, result has 40.7 percent of original size [2021-11-21 00:05:45,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 161 treesize of output 184 [2021-11-21 00:05:45,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:05:49,558 INFO L354 Elim1Store]: treesize reduction 248, result has 15.4 percent of original size [2021-11-21 00:05:49,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 428 treesize of output 395 [2021-11-21 00:05:49,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:05:51,159 INFO L354 Elim1Store]: treesize reduction 284, result has 14.7 percent of original size [2021-11-21 00:05:51,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 413 treesize of output 341 [2021-11-21 00:05:51,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:05:52,787 INFO L354 Elim1Store]: treesize reduction 704, result has 7.6 percent of original size [2021-11-21 00:05:52,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 470 treesize of output 316 [2021-11-21 00:06:31,709 WARN L227 SmtUtils]: Spent 38.91s on a formula simplification. DAG size of input: 71 DAG size of output: 39 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:06:31,709 INFO L354 Elim1Store]: treesize reduction 333, result has 25.0 percent of original size [2021-11-21 00:06:31,709 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 4 case distinctions, treesize of input 433 treesize of output 477 [2021-11-21 00:06:31,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:32,159 INFO L354 Elim1Store]: treesize reduction 602, result has 8.2 percent of original size [2021-11-21 00:06:32,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 458 treesize of output 349 [2021-11-21 00:06:32,295 INFO L354 Elim1Store]: treesize reduction 240, result has 13.4 percent of original size [2021-11-21 00:06:32,296 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 427 treesize of output 384 [2021-11-21 00:06:32,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:32,350 INFO L354 Elim1Store]: treesize reduction 135, result has 17.7 percent of original size [2021-11-21 00:06:32,351 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 378 treesize of output 365 [2021-11-21 00:06:32,450 INFO L354 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2021-11-21 00:06:32,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 359 treesize of output 375 [2021-11-21 00:06:35,981 INFO L354 Elim1Store]: treesize reduction 258, result has 0.4 percent of original size [2021-11-21 00:06:35,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 521 treesize of output 225 [2021-11-21 00:06:36,033 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-21 00:06:36,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 176 treesize of output 78 [2021-11-21 00:06:36,043 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:06:36,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2021-11-21 00:06:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:06:36,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:06:40,741 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_143 (_ BitVec 32)) (v_DerPreprocessor_144 (_ BitVec 32)) (v_DerPreprocessor_145 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_38| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_40| (_ BitVec 32)) (v_DerPreprocessor_141 (_ BitVec 32)) (v_DerPreprocessor_142 (_ BitVec 32))) (or (bvsle (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse2 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_38|)) (.cse3 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_38|)) (.cse5 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| |ULTIMATE.start_main_~x~0#1|) .cse2 v_DerPreprocessor_144) .cse3 v_DerPreprocessor_143)))) (store .cse0 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~list~0#1.base|) .cse1 v_DerPreprocessor_142))) (select (select (let ((.cse4 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| v_DerPreprocessor_141) .cse2 |c_ULTIMATE.start_main_~m~0#1.base|) .cse3 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse1 |v_ULTIMATE.start_main_~n~0#1.base_40|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse5)) (select (select (let ((.cse6 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| v_DerPreprocessor_145) .cse2 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse3 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse6 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse6 |c_ULTIMATE.start_main_~list~0#1.base|) .cse1 |v_ULTIMATE.start_main_~n~0#1.offset_38|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse5))) (_ bv100 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_40|)))))) is different from false [2021-11-21 00:06:50,747 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_143 (_ BitVec 32)) (v_DerPreprocessor_144 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_39| (_ BitVec 32)) (v_DerPreprocessor_145 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_38| (_ BitVec 32)) (v_DerPreprocessor_146 (_ BitVec 32)) (v_DerPreprocessor_147 (_ BitVec 32)) (v_DerPreprocessor_148 (_ BitVec 32)) (v_DerPreprocessor_149 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_49| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_150 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_41| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_40| (_ BitVec 32)) (v_DerPreprocessor_141 (_ BitVec 32)) (v_DerPreprocessor_142 (_ BitVec 32))) (or (bvsle (let ((.cse3 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_38|)) (.cse4 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_38|)) (.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse6 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_39|)) (.cse7 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_39|)) (.cse11 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse0 (let ((.cse2 (let ((.cse5 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_41| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_41|) |v_ULTIMATE.start_main_~n~0#1.offset_39| |ULTIMATE.start_main_~x~0#1|) .cse6 v_DerPreprocessor_149) .cse7 v_DerPreprocessor_148)))) (store .cse5 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~list~0#1.base|) .cse1 v_DerPreprocessor_147))))) (store .cse2 |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select .cse2 |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| |v_ULTIMATE.start_main_~x~0#1_49|) .cse3 v_DerPreprocessor_144) .cse4 v_DerPreprocessor_143))))) (store .cse0 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~list~0#1.base|) .cse1 v_DerPreprocessor_142))) (select (select (let ((.cse8 (let ((.cse9 (let ((.cse10 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_41| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_41|) |v_ULTIMATE.start_main_~n~0#1.offset_39| v_DerPreprocessor_146) .cse6 |c_ULTIMATE.start_main_~m~0#1.base|) .cse7 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse1 |v_ULTIMATE.start_main_~n~0#1.base_41|))))) (store .cse9 |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select .cse9 |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| v_DerPreprocessor_141) .cse3 |c_ULTIMATE.start_main_~m~0#1.base|) .cse4 |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse8 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse8 |c_ULTIMATE.start_main_~list~0#1.base|) .cse1 |v_ULTIMATE.start_main_~n~0#1.base_40|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse11)) (select (select (let ((.cse12 (let ((.cse13 (let ((.cse14 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_41| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_41|) |v_ULTIMATE.start_main_~n~0#1.offset_39| v_DerPreprocessor_150) .cse6 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse7 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse14 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse14 |c_ULTIMATE.start_main_~list~0#1.base|) .cse1 |v_ULTIMATE.start_main_~n~0#1.offset_39|))))) (store .cse13 |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select .cse13 |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| v_DerPreprocessor_145) .cse3 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse4 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse12 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse12 |c_ULTIMATE.start_main_~list~0#1.base|) .cse1 |v_ULTIMATE.start_main_~n~0#1.offset_38|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse11))) (_ bv100 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_41|))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_41| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_40|))))))))) is different from false [2021-11-21 00:06:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2021-11-21 00:06:58,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174650854] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:06:58,648 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-21 00:06:58,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 7, 10, 7, 7] total 33 [2021-11-21 00:06:58,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165244073] [2021-11-21 00:06:58,648 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-21 00:06:58,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-11-21 00:06:58,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:06:58,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-11-21 00:06:58,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=534, Unknown=20, NotChecked=330, Total=1056 [2021-11-21 00:06:58,650 INFO L87 Difference]: Start difference. First operand 40 states and 59 transitions. Second operand has 33 states, 33 states have (on average 1.9696969696969697) internal successors, (65), 33 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:07:02,022 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse42 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse0 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse43 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~m~0#1.base|)) (_ bv1 1))) (= (_ bv0 32) |c_ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (= (select .cse0 .cse1) |c_ULTIMATE.start_main_~head~0#1.offset|) (forall ((v_DerPreprocessor_121 (_ BitVec 32)) (|v_ULTIMATE.start_main_~list~0#1.offset_62| (_ BitVec 32)) (v_DerPreprocessor_116 (_ BitVec 32)) (v_DerPreprocessor_117 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_35| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_33| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_32| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_120 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_41| (_ BitVec 32)) (|v_ULTIMATE.start_main_~list~0#1.base_62| (_ BitVec 32)) (v_arrayElimCell_425 (_ BitVec 32)) (v_arrayElimCell_426 (_ BitVec 32)) (v_DerPreprocessor_118 (_ BitVec 32)) (|ULTIMATE.start_main_~list~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_119 (_ BitVec 32))) (let ((.cse3 (let ((.cse6 (bvadd (_ bv8 32) |ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse5 (let ((.cse7 (let ((.cse8 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_35| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_35|) |v_ULTIMATE.start_main_~n~0#1.offset_33| |ULTIMATE.start_main_~x~0#1|) (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_33|) v_DerPreprocessor_121) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_33|) v_DerPreprocessor_120)))) (store .cse8 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse8 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 v_DerPreprocessor_119))))) (store .cse7 |v_ULTIMATE.start_main_~n~0#1.base_34| (store (store (store (select .cse7 |v_ULTIMATE.start_main_~n~0#1.base_34|) |v_ULTIMATE.start_main_~n~0#1.offset_32| |v_ULTIMATE.start_main_~x~0#1_41|) (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_32|) v_DerPreprocessor_118) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_32|) v_DerPreprocessor_117))))) (store .cse5 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~list~0#1.base|) .cse6 v_DerPreprocessor_116)))))) (let ((.cse4 (select .cse3 v_arrayElimCell_425))) (let ((.cse2 (select .cse4 v_arrayElimCell_426))) (or (bvsle .cse2 (_ bv100 32)) (not (= (_ bv0 1) (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_35| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_34|)))) (bvslt (select (select (store .cse3 v_arrayElimCell_425 (store .cse4 v_arrayElimCell_426 (bvadd .cse2 (bvneg (select (select .cse3 |v_ULTIMATE.start_main_~list~0#1.base_62|) |v_ULTIMATE.start_main_~list~0#1.offset_62|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_35|)))))))))) (forall ((v_DerPreprocessor_132 (_ BitVec 32)) (v_DerPreprocessor_133 (_ BitVec 32)) (v_DerPreprocessor_134 (_ BitVec 32)) (v_DerPreprocessor_135 (_ BitVec 32)) (v_DerPreprocessor_136 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_38| (_ BitVec 32)) (v_DerPreprocessor_137 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_37| (_ BitVec 32)) (v_DerPreprocessor_128 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_36| (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_45| (_ BitVec 32)) (v_DerPreprocessor_130 (_ BitVec 32)) (v_DerPreprocessor_131 (_ BitVec 32)) (v_DerPreprocessor_129 (_ BitVec 32))) (let ((.cse20 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse15 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse18 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_36|)) (.cse19 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_36|))) (let ((.cse9 (let ((.cse24 (let ((.cse25 (let ((.cse26 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_38| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_38|) |v_ULTIMATE.start_main_~n~0#1.offset_36| |ULTIMATE.start_main_~x~0#1|) .cse18 v_DerPreprocessor_136) .cse19 v_DerPreprocessor_135)))) (store .cse26 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse26 |c_ULTIMATE.start_main_~list~0#1.base|) .cse15 v_DerPreprocessor_134))))) (store .cse25 |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select .cse25 |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) |v_ULTIMATE.start_main_~x~0#1_45|) (_ bv4 32) v_DerPreprocessor_131) (_ bv8 32) v_DerPreprocessor_130))))) (store .cse24 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse24 |c_ULTIMATE.start_main_~list~0#1.base|) .cse15 v_DerPreprocessor_129)))) (.cse10 (select (select (let ((.cse21 (let ((.cse22 (let ((.cse23 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_38| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_38|) |v_ULTIMATE.start_main_~n~0#1.offset_36| v_DerPreprocessor_133) .cse18 |c_ULTIMATE.start_main_~m~0#1.base|) .cse19 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse23 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse23 |c_ULTIMATE.start_main_~list~0#1.base|) .cse15 |v_ULTIMATE.start_main_~n~0#1.base_38|))))) (store .cse22 |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select .cse22 |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) v_DerPreprocessor_128) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.base|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse21 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse21 |c_ULTIMATE.start_main_~list~0#1.base|) .cse15 |v_ULTIMATE.start_main_~n~0#1.base_37|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse20))) (let ((.cse11 (select .cse9 .cse10)) (.cse12 (select (select (let ((.cse14 (let ((.cse16 (let ((.cse17 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_38| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_38|) |v_ULTIMATE.start_main_~n~0#1.offset_36| v_DerPreprocessor_137) .cse18 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse19 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse17 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse17 |c_ULTIMATE.start_main_~list~0#1.base|) .cse15 |v_ULTIMATE.start_main_~n~0#1.offset_36|))))) (store .cse16 |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select .cse16 |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) v_DerPreprocessor_132) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse14 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse14 |c_ULTIMATE.start_main_~list~0#1.base|) .cse15 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse20))) (let ((.cse13 (select .cse11 .cse12))) (or (bvslt (select (select (store .cse9 .cse10 (store .cse11 .cse12 (bvadd .cse13 (bvneg (select (select .cse9 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_38|)))) (bvsle .cse13 (_ bv100 32)) (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_38| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_37|))))))))))) (forall ((v_DerPreprocessor_143 (_ BitVec 32)) (v_DerPreprocessor_144 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_39| (_ BitVec 32)) (v_DerPreprocessor_145 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_38| (_ BitVec 32)) (v_DerPreprocessor_146 (_ BitVec 32)) (v_DerPreprocessor_147 (_ BitVec 32)) (v_DerPreprocessor_148 (_ BitVec 32)) (v_DerPreprocessor_149 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_49| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_150 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_41| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_40| (_ BitVec 32)) (v_DerPreprocessor_141 (_ BitVec 32)) (v_DerPreprocessor_142 (_ BitVec 32))) (or (bvsle (let ((.cse30 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_38|)) (.cse31 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_38|)) (.cse28 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse33 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_39|)) (.cse34 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_39|)) (.cse38 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse27 (let ((.cse29 (let ((.cse32 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_41| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_41|) |v_ULTIMATE.start_main_~n~0#1.offset_39| |ULTIMATE.start_main_~x~0#1|) .cse33 v_DerPreprocessor_149) .cse34 v_DerPreprocessor_148)))) (store .cse32 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse32 |c_ULTIMATE.start_main_~list~0#1.base|) .cse28 v_DerPreprocessor_147))))) (store .cse29 |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select .cse29 |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| |v_ULTIMATE.start_main_~x~0#1_49|) .cse30 v_DerPreprocessor_144) .cse31 v_DerPreprocessor_143))))) (store .cse27 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse27 |c_ULTIMATE.start_main_~list~0#1.base|) .cse28 v_DerPreprocessor_142))) (select (select (let ((.cse35 (let ((.cse36 (let ((.cse37 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_41| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_41|) |v_ULTIMATE.start_main_~n~0#1.offset_39| v_DerPreprocessor_146) .cse33 |c_ULTIMATE.start_main_~m~0#1.base|) .cse34 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse37 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse37 |c_ULTIMATE.start_main_~list~0#1.base|) .cse28 |v_ULTIMATE.start_main_~n~0#1.base_41|))))) (store .cse36 |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select .cse36 |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| v_DerPreprocessor_141) .cse30 |c_ULTIMATE.start_main_~m~0#1.base|) .cse31 |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse35 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse35 |c_ULTIMATE.start_main_~list~0#1.base|) .cse28 |v_ULTIMATE.start_main_~n~0#1.base_40|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse38)) (select (select (let ((.cse39 (let ((.cse40 (let ((.cse41 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_41| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_41|) |v_ULTIMATE.start_main_~n~0#1.offset_39| v_DerPreprocessor_150) .cse33 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse34 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse41 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse41 |c_ULTIMATE.start_main_~list~0#1.base|) .cse28 |v_ULTIMATE.start_main_~n~0#1.offset_39|))))) (store .cse40 |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select .cse40 |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| v_DerPreprocessor_145) .cse30 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse31 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse39 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse39 |c_ULTIMATE.start_main_~list~0#1.base|) .cse28 |v_ULTIMATE.start_main_~n~0#1.offset_38|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse38))) (_ bv100 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_41|))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_41| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_40|))))))))) (= |c_ULTIMATE.start_main_~list~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~head~0#1.base| (select .cse42 .cse1)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (_ bv1 32)) (= (select .cse42 .cse43) |c_ULTIMATE.start_main_~m~0#1.base|) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse0 .cse43)))) is different from true [2021-11-21 00:07:08,307 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse30 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse29 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse30)) (.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) .cse30))) (let ((.cse3 (select |c_#memory_$Pointer$.base| .cse0)) (.cse2 (bvadd .cse29 (_ bv8 32))) (.cse1 (select |c_#memory_$Pointer$.offset| .cse0)) (.cse4 (bvadd .cse29 (_ bv4 32))) (.cse5 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (= (_ bv0 32) |c_ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (= .cse0 |c_ULTIMATE.start_main_~head~0#1.base|)) (not (= .cse0 |c_ULTIMATE.start_main_~m~0#1.base|)) (= (select .cse1 .cse2) |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~list~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (= (select .cse3 .cse4) |c_ULTIMATE.start_main_~m~0#1.base|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (_ bv1 32)) (= |c_ULTIMATE.start_main_~head~0#1.base| (select .cse3 .cse2)) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse1 .cse4)) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse5) |c_ULTIMATE.start_main_~m~0#1.base|) (exists ((v_arrayElimCell_440 (_ BitVec 1))) (let ((.cse6 (bvneg v_arrayElimCell_440))) (and (= (_ bv0 1) (bvadd (bvneg .cse6) (_ bv1 1))) (= (_ bv0 1) (bvadd (select |c_#valid| |c_ULTIMATE.start_main_~m~0#1.base|) .cse6))))) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| .cse0)) (_ bv1 1))) (forall ((|v_ULTIMATE.start_main_~list~0#1.base_62| (_ BitVec 32)) (|v_ULTIMATE.start_main_~list~0#1.offset_62| (_ BitVec 32)) (v_arrayElimCell_425 (_ BitVec 32)) (v_DerPreprocessor_116 (_ BitVec 32)) (v_DerPreprocessor_117 (_ BitVec 32)) (v_arrayElimCell_426 (_ BitVec 32)) (v_DerPreprocessor_118 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_32| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32))) (let ((.cse8 (let ((.cse10 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_34| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_34|) |v_ULTIMATE.start_main_~n~0#1.offset_32| |ULTIMATE.start_main_~x~0#1|) (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_32|) v_DerPreprocessor_118) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_32|) v_DerPreprocessor_117)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|) v_DerPreprocessor_116))))) (let ((.cse9 (select .cse8 v_arrayElimCell_425))) (let ((.cse7 (select .cse9 v_arrayElimCell_426))) (or (bvsle .cse7 (_ bv100 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_34|))) (bvslt (select (select (store .cse8 v_arrayElimCell_425 (store .cse9 v_arrayElimCell_426 (bvadd .cse7 (bvneg (select (select .cse8 |v_ULTIMATE.start_main_~list~0#1.base_62|) |v_ULTIMATE.start_main_~list~0#1.offset_62|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32))))))) (forall ((v_DerPreprocessor_132 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_37| (_ BitVec 32)) (v_DerPreprocessor_128 (_ BitVec 32)) (v_DerPreprocessor_129 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_130 (_ BitVec 32)) (v_DerPreprocessor_131 (_ BitVec 32))) (let ((.cse18 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse17 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse12 (let ((.cse20 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) |ULTIMATE.start_main_~x~0#1|) (_ bv4 32) v_DerPreprocessor_131) (_ bv8 32) v_DerPreprocessor_130)))) (store .cse20 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse20 |c_ULTIMATE.start_main_~list~0#1.base|) .cse17 v_DerPreprocessor_129)))) (.cse13 (select (select (let ((.cse19 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) v_DerPreprocessor_128) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.base|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse19 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse19 |c_ULTIMATE.start_main_~list~0#1.base|) .cse17 |v_ULTIMATE.start_main_~n~0#1.base_37|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse18))) (let ((.cse14 (select .cse12 .cse13)) (.cse15 (select (select (let ((.cse16 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) v_DerPreprocessor_132) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse16 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse16 |c_ULTIMATE.start_main_~list~0#1.base|) .cse17 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse18))) (let ((.cse11 (select .cse14 .cse15))) (or (bvsle .cse11 (_ bv100 32)) (bvslt (select (select (store .cse12 .cse13 (store .cse14 .cse15 (bvadd .cse11 (bvneg (select (select .cse12 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_37|)))))))))) (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|) (exists ((v_arrayElimCell_438 (_ BitVec 1))) (let ((.cse21 (bvneg v_arrayElimCell_438))) (and (= (_ bv0 1) (bvadd (bvneg (bvneg .cse21)) (_ bv1 1))) (= (_ bv0 1) (bvadd (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|) .cse21))))) (forall ((v_DerPreprocessor_143 (_ BitVec 32)) (v_DerPreprocessor_144 (_ BitVec 32)) (v_DerPreprocessor_145 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_38| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_40| (_ BitVec 32)) (v_DerPreprocessor_141 (_ BitVec 32)) (v_DerPreprocessor_142 (_ BitVec 32))) (or (bvsle (let ((.cse23 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse24 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_38|)) (.cse25 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_38|)) (.cse27 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse22 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| |ULTIMATE.start_main_~x~0#1|) .cse24 v_DerPreprocessor_144) .cse25 v_DerPreprocessor_143)))) (store .cse22 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse22 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 v_DerPreprocessor_142))) (select (select (let ((.cse26 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| v_DerPreprocessor_141) .cse24 |c_ULTIMATE.start_main_~m~0#1.base|) .cse25 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse26 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse26 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 |v_ULTIMATE.start_main_~n~0#1.base_40|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse27)) (select (select (let ((.cse28 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| v_DerPreprocessor_145) .cse24 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse25 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse28 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse28 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 |v_ULTIMATE.start_main_~n~0#1.offset_38|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse27))) (_ bv100 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_40|)))))) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse5)))))) is different from false [2021-11-21 00:07:10,320 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse30 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse29 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse30)) (.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) .cse30))) (let ((.cse3 (select |c_#memory_$Pointer$.base| .cse0)) (.cse2 (bvadd .cse29 (_ bv8 32))) (.cse1 (select |c_#memory_$Pointer$.offset| .cse0)) (.cse4 (bvadd .cse29 (_ bv4 32))) (.cse5 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (= (_ bv0 32) |c_ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (= .cse0 |c_ULTIMATE.start_main_~head~0#1.base|)) (not (= .cse0 |c_ULTIMATE.start_main_~m~0#1.base|)) (= (select .cse1 .cse2) |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~list~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (= (select .cse3 .cse4) |c_ULTIMATE.start_main_~m~0#1.base|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (_ bv1 32)) (= |c_ULTIMATE.start_main_~head~0#1.base| (select .cse3 .cse2)) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse1 .cse4)) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse5) |c_ULTIMATE.start_main_~m~0#1.base|) (exists ((v_arrayElimCell_440 (_ BitVec 1))) (let ((.cse6 (bvneg v_arrayElimCell_440))) (and (= (_ bv0 1) (bvadd (bvneg .cse6) (_ bv1 1))) (= (_ bv0 1) (bvadd (select |c_#valid| |c_ULTIMATE.start_main_~m~0#1.base|) .cse6))))) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| .cse0)) (_ bv1 1))) (forall ((|v_ULTIMATE.start_main_~list~0#1.base_62| (_ BitVec 32)) (|v_ULTIMATE.start_main_~list~0#1.offset_62| (_ BitVec 32)) (v_arrayElimCell_425 (_ BitVec 32)) (v_DerPreprocessor_116 (_ BitVec 32)) (v_DerPreprocessor_117 (_ BitVec 32)) (v_arrayElimCell_426 (_ BitVec 32)) (v_DerPreprocessor_118 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_32| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32))) (let ((.cse8 (let ((.cse10 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_34| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_34|) |v_ULTIMATE.start_main_~n~0#1.offset_32| |ULTIMATE.start_main_~x~0#1|) (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_32|) v_DerPreprocessor_118) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_32|) v_DerPreprocessor_117)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|) v_DerPreprocessor_116))))) (let ((.cse9 (select .cse8 v_arrayElimCell_425))) (let ((.cse7 (select .cse9 v_arrayElimCell_426))) (or (bvsle .cse7 (_ bv100 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_34|))) (bvslt (select (select (store .cse8 v_arrayElimCell_425 (store .cse9 v_arrayElimCell_426 (bvadd .cse7 (bvneg (select (select .cse8 |v_ULTIMATE.start_main_~list~0#1.base_62|) |v_ULTIMATE.start_main_~list~0#1.offset_62|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32))))))) (forall ((v_DerPreprocessor_132 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_37| (_ BitVec 32)) (v_DerPreprocessor_128 (_ BitVec 32)) (v_DerPreprocessor_129 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_130 (_ BitVec 32)) (v_DerPreprocessor_131 (_ BitVec 32))) (let ((.cse18 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse17 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse12 (let ((.cse20 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) |ULTIMATE.start_main_~x~0#1|) (_ bv4 32) v_DerPreprocessor_131) (_ bv8 32) v_DerPreprocessor_130)))) (store .cse20 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse20 |c_ULTIMATE.start_main_~list~0#1.base|) .cse17 v_DerPreprocessor_129)))) (.cse13 (select (select (let ((.cse19 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) v_DerPreprocessor_128) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.base|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse19 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse19 |c_ULTIMATE.start_main_~list~0#1.base|) .cse17 |v_ULTIMATE.start_main_~n~0#1.base_37|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse18))) (let ((.cse14 (select .cse12 .cse13)) (.cse15 (select (select (let ((.cse16 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_37| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_37|) (_ bv0 32) v_DerPreprocessor_132) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse16 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse16 |c_ULTIMATE.start_main_~list~0#1.base|) .cse17 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse18))) (let ((.cse11 (select .cse14 .cse15))) (or (bvsle .cse11 (_ bv100 32)) (bvslt (select (select (store .cse12 .cse13 (store .cse14 .cse15 (bvadd .cse11 (bvneg (select (select .cse12 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_37|)))))))))) (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|) (exists ((v_arrayElimCell_438 (_ BitVec 1))) (let ((.cse21 (bvneg v_arrayElimCell_438))) (and (= (_ bv0 1) (bvadd (bvneg (bvneg .cse21)) (_ bv1 1))) (= (_ bv0 1) (bvadd (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|) .cse21))))) (forall ((v_DerPreprocessor_143 (_ BitVec 32)) (v_DerPreprocessor_144 (_ BitVec 32)) (v_DerPreprocessor_145 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_38| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_40| (_ BitVec 32)) (v_DerPreprocessor_141 (_ BitVec 32)) (v_DerPreprocessor_142 (_ BitVec 32))) (or (bvsle (let ((.cse23 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse24 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_38|)) (.cse25 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_38|)) (.cse27 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse22 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| |ULTIMATE.start_main_~x~0#1|) .cse24 v_DerPreprocessor_144) .cse25 v_DerPreprocessor_143)))) (store .cse22 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse22 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 v_DerPreprocessor_142))) (select (select (let ((.cse26 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| v_DerPreprocessor_141) .cse24 |c_ULTIMATE.start_main_~m~0#1.base|) .cse25 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse26 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse26 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 |v_ULTIMATE.start_main_~n~0#1.base_40|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse27)) (select (select (let ((.cse28 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_40| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_40|) |v_ULTIMATE.start_main_~n~0#1.offset_38| v_DerPreprocessor_145) .cse24 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse25 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse28 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse28 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 |v_ULTIMATE.start_main_~n~0#1.offset_38|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse27))) (_ bv100 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_40|)))))) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse5)))))) is different from true [2021-11-21 00:07:17,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:07:17,561 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2021-11-21 00:07:17,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-21 00:07:17,562 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.9696969696969697) internal successors, (65), 33 states have internal predecessors, (65), 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 [2021-11-21 00:07:17,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:07:17,563 INFO L225 Difference]: With dead ends: 66 [2021-11-21 00:07:17,563 INFO L226 Difference]: Without dead ends: 56 [2021-11-21 00:07:17,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 63.4s TimeCoverageRelationStatistics Valid=252, Invalid=744, Unknown=28, NotChecked=536, Total=1560 [2021-11-21 00:07:17,565 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 17 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 158 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:07:17,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 75 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 158 Unchecked, 2.0s Time] [2021-11-21 00:07:17,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-11-21 00:07:17,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2021-11-21 00:07:17,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.5319148936170213) internal successors, (72), 47 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:07:17,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 72 transitions. [2021-11-21 00:07:17,581 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 72 transitions. Word has length 14 [2021-11-21 00:07:17,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:07:17,581 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 72 transitions. [2021-11-21 00:07:17,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.9696969696969697) internal successors, (65), 33 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:07:17,581 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2021-11-21 00:07:17,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 00:07:17,582 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:07:17,583 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:07:17,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-11-21 00:07:17,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2021-11-21 00:07:18,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-21 00:07:18,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:07:18,194 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:07:18,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:07:18,194 INFO L85 PathProgramCache]: Analyzing trace with hash -857850716, now seen corresponding path program 1 times [2021-11-21 00:07:18,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:07:18,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263283945] [2021-11-21 00:07:18,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:07:18,195 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:07:18,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:07:18,196 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:07:18,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-21 00:07:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:07:18,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-21 00:07:18,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:07:18,378 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-21 00:07:18,378 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 1 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:07:18,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:18,407 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 85 treesize of output 85 [2021-11-21 00:07:18,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:18,484 INFO L354 Elim1Store]: treesize reduction 109, result has 10.7 percent of original size [2021-11-21 00:07:18,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 64 [2021-11-21 00:07:18,492 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 65 treesize of output 63 [2021-11-21 00:07:18,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:18,544 INFO L354 Elim1Store]: treesize reduction 71, result has 15.5 percent of original size [2021-11-21 00:07:18,545 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 59 treesize of output 46 [2021-11-21 00:07:18,924 INFO L354 Elim1Store]: treesize reduction 116, result has 14.1 percent of original size [2021-11-21 00:07:18,925 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 199 treesize of output 144 [2021-11-21 00:07:18,997 INFO L354 Elim1Store]: treesize reduction 152, result has 6.7 percent of original size [2021-11-21 00:07:18,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 154 treesize of output 120 [2021-11-21 00:07:19,067 INFO L354 Elim1Store]: treesize reduction 116, result has 14.1 percent of original size [2021-11-21 00:07:19,067 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 98 [2021-11-21 00:07:21,475 INFO L354 Elim1Store]: treesize reduction 54, result has 5.3 percent of original size [2021-11-21 00:07:21,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 71 [2021-11-21 00:07:21,521 INFO L354 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2021-11-21 00:07:21,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 46 [2021-11-21 00:07:21,528 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-21 00:07:21,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 16 [2021-11-21 00:07:21,577 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:07:21,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:07:37,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:07:37,703 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:07:37,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263283945] [2021-11-21 00:07:37,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263283945] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:07:37,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [464403007] [2021-11-21 00:07:37,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:07:37,704 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-21 00:07:37,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-21 00:07:37,705 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-21 00:07:37,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-11-21 00:07:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:07:37,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 00:07:37,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:07:37,931 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 11 treesize of output 9 [2021-11-21 00:07:37,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:37,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:07:37,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:37,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:07:37,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:37,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 34 [2021-11-21 00:07:38,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:38,001 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 21 [2021-11-21 00:07:38,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:38,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:07:38,707 INFO L354 Elim1Store]: treesize reduction 147, result has 14.0 percent of original size [2021-11-21 00:07:38,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 144 [2021-11-21 00:07:38,797 INFO L354 Elim1Store]: treesize reduction 249, result has 5.3 percent of original size [2021-11-21 00:07:38,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 139 treesize of output 114 [2021-11-21 00:07:38,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:38,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:07:38,871 INFO L354 Elim1Store]: treesize reduction 153, result has 10.5 percent of original size [2021-11-21 00:07:38,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 102 treesize of output 86 [2021-11-21 00:07:39,957 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:07:39,957 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 1 case distinctions, treesize of input 103 treesize of output 75 [2021-11-21 00:07:39,982 INFO L354 Elim1Store]: treesize reduction 110, result has 0.9 percent of original size [2021-11-21 00:07:39,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 1 [2021-11-21 00:07:39,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:07:39,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:08:04,321 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:08:04,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [464403007] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:08:04,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426112022] [2021-11-21 00:08:04,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:08:04,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:08:04,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:08:04,323 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:08:04,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-21 00:08:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:08:04,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 00:08:04,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:08:04,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:04,515 INFO L354 Elim1Store]: treesize reduction 50, result has 32.4 percent of original size [2021-11-21 00:08:04,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 51 [2021-11-21 00:08:04,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:04,587 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:08:04,587 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 51 treesize of output 48 [2021-11-21 00:08:04,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:04,650 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 18 treesize of output 19 [2021-11-21 00:08:04,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:04,689 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 18 treesize of output 19 [2021-11-21 00:08:04,720 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 12 treesize of output 10 [2021-11-21 00:08:05,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:05,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:08:05,433 INFO L354 Elim1Store]: treesize reduction 98, result has 14.8 percent of original size [2021-11-21 00:08:05,434 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 3 case distinctions, treesize of input 184 treesize of output 137 [2021-11-21 00:08:05,501 INFO L354 Elim1Store]: treesize reduction 152, result has 6.7 percent of original size [2021-11-21 00:08:05,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 141 treesize of output 113 [2021-11-21 00:08:05,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:05,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:08:05,569 INFO L354 Elim1Store]: treesize reduction 98, result has 14.8 percent of original size [2021-11-21 00:08:05,569 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 3 case distinctions, treesize of input 104 treesize of output 87 [2021-11-21 00:08:15,015 INFO L354 Elim1Store]: treesize reduction 34, result has 8.1 percent of original size [2021-11-21 00:08:15,015 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 56 [2021-11-21 00:08:15,050 INFO L354 Elim1Store]: treesize reduction 58, result has 4.9 percent of original size [2021-11-21 00:08:15,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 24 [2021-11-21 00:08:15,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:08:15,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:08:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:08:33,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426112022] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:08:33,832 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-21 00:08:33,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 12, 9, 9] total 38 [2021-11-21 00:08:33,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774967970] [2021-11-21 00:08:33,833 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-21 00:08:33,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-21 00:08:33,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:08:33,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-21 00:08:33,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=1110, Unknown=27, NotChecked=0, Total=1406 [2021-11-21 00:08:33,835 INFO L87 Difference]: Start difference. First operand 48 states and 72 transitions. Second operand has 38 states, 38 states have (on average 1.7105263157894737) internal successors, (65), 38 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:08:41,047 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:08:43,010 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:09:05,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:09:05,517 INFO L93 Difference]: Finished difference Result 86 states and 120 transitions. [2021-11-21 00:09:05,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-21 00:09:05,518 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.7105263157894737) internal successors, (65), 38 states have internal predecessors, (65), 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 [2021-11-21 00:09:05,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:09:05,520 INFO L225 Difference]: With dead ends: 86 [2021-11-21 00:09:05,520 INFO L226 Difference]: Without dead ends: 79 [2021-11-21 00:09:05,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 91.9s TimeCoverageRelationStatistics Valid=418, Invalid=1805, Unknown=33, NotChecked=0, Total=2256 [2021-11-21 00:09:05,522 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 98 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 76 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 111 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:09:05,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 100 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 137 Invalid, 1 Unknown, 111 Unchecked, 10.2s Time] [2021-11-21 00:09:05,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-11-21 00:09:05,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 64. [2021-11-21 00:09:05,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 63 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:09:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 90 transitions. [2021-11-21 00:09:05,543 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 90 transitions. Word has length 15 [2021-11-21 00:09:05,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:09:05,543 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 90 transitions. [2021-11-21 00:09:05,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.7105263157894737) internal successors, (65), 38 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:09:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2021-11-21 00:09:05,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 00:09:05,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:09:05,545 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:09:05,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-21 00:09:05,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-11-21 00:09:05,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-21 00:09:06,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:09:06,153 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:09:06,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:09:06,153 INFO L85 PathProgramCache]: Analyzing trace with hash -856001752, now seen corresponding path program 1 times [2021-11-21 00:09:06,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:09:06,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619222730] [2021-11-21 00:09:06,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:06,154 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:09:06,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:09:06,155 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:09:06,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-21 00:09:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:09:06,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-21 00:09:06,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:09:06,346 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-21 00:09:06,346 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 1 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:09:06,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:06,370 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 18 treesize of output 19 [2021-11-21 00:09:06,395 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 11 treesize of output 9 [2021-11-21 00:09:06,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:06,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 34 [2021-11-21 00:09:06,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:06,426 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 21 [2021-11-21 00:09:06,864 INFO L354 Elim1Store]: treesize reduction 116, result has 14.1 percent of original size [2021-11-21 00:09:06,865 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 192 treesize of output 143 [2021-11-21 00:09:06,875 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:09:06,875 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 92 [2021-11-21 00:09:06,906 INFO L354 Elim1Store]: treesize reduction 49, result has 5.8 percent of original size [2021-11-21 00:09:06,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 68 [2021-11-21 00:09:09,729 INFO L354 Elim1Store]: treesize reduction 54, result has 5.3 percent of original size [2021-11-21 00:09:09,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 191 treesize of output 113 [2021-11-21 00:09:09,764 INFO L354 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2021-11-21 00:09:09,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 61 [2021-11-21 00:09:09,821 INFO L354 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2021-11-21 00:09:09,821 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 2 case distinctions, treesize of input 53 treesize of output 32 [2021-11-21 00:09:10,343 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-21 00:09:10,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 28 [2021-11-21 00:09:10,390 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:09:10,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:09:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:09:26,880 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:09:26,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619222730] [2021-11-21 00:09:26,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619222730] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:09:26,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1004994388] [2021-11-21 00:09:26,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:26,880 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-21 00:09:26,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-21 00:09:26,881 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-21 00:09:26,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2021-11-21 00:09:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:09:27,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 00:09:27,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:09:27,136 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 12 treesize of output 10 [2021-11-21 00:09:27,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:27,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:09:27,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:27,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:09:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:27,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 34 [2021-11-21 00:09:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:27,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 21 [2021-11-21 00:09:28,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:28,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:09:28,167 INFO L354 Elim1Store]: treesize reduction 153, result has 10.5 percent of original size [2021-11-21 00:09:28,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 138 [2021-11-21 00:09:28,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:28,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:09:28,263 INFO L354 Elim1Store]: treesize reduction 99, result has 15.4 percent of original size [2021-11-21 00:09:28,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 87 [2021-11-21 00:09:28,382 INFO L354 Elim1Store]: treesize reduction 165, result has 7.8 percent of original size [2021-11-21 00:09:28,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 72 treesize of output 61 [2021-11-21 00:09:32,894 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:09:32,894 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 1 case distinctions, treesize of input 105 treesize of output 81 [2021-11-21 00:09:32,926 INFO L354 Elim1Store]: treesize reduction 52, result has 11.9 percent of original size [2021-11-21 00:09:32,926 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 2 case distinctions, treesize of input 75 treesize of output 46 [2021-11-21 00:09:32,934 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:09:32,934 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 1 case distinctions, treesize of input 49 treesize of output 33 [2021-11-21 00:09:33,236 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:09:33,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-11-21 00:09:33,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:09:33,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:09:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:09:56,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1004994388] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:09:56,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325508952] [2021-11-21 00:09:56,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:56,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:09:56,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:09:56,490 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:09:56,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-21 00:09:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:09:56,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 00:09:56,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:09:56,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:56,587 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 18 treesize of output 19 [2021-11-21 00:09:56,608 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 11 treesize of output 9 [2021-11-21 00:09:56,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:56,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:09:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:56,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 34 [2021-11-21 00:09:56,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:56,673 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 21 [2021-11-21 00:09:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:57,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:09:57,719 INFO L354 Elim1Store]: treesize reduction 98, result has 14.8 percent of original size [2021-11-21 00:09:57,719 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 3 case distinctions, treesize of input 184 treesize of output 137 [2021-11-21 00:09:57,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:57,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:09:57,730 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 0 case distinctions, treesize of input 105 treesize of output 88 [2021-11-21 00:09:57,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 55 [2021-11-21 00:09:59,906 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:09:59,907 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 1 case distinctions, treesize of input 111 treesize of output 87 [2021-11-21 00:09:59,973 INFO L354 Elim1Store]: treesize reduction 106, result has 9.4 percent of original size [2021-11-21 00:09:59,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 81 treesize of output 55 [2021-11-21 00:09:59,981 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:09:59,983 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 1 case distinctions, treesize of input 73 treesize of output 57 [2021-11-21 00:10:00,466 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:10:00,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 28 [2021-11-21 00:10:00,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:10:00,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:10:08,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:10:08,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325508952] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:10:08,280 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-21 00:10:08,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9, 11, 9, 11] total 32 [2021-11-21 00:10:08,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682776917] [2021-11-21 00:10:08,281 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-21 00:10:08,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-21 00:10:08,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:10:08,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-21 00:10:08,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=740, Unknown=16, NotChecked=0, Total=992 [2021-11-21 00:10:08,282 INFO L87 Difference]: Start difference. First operand 64 states and 90 transitions. Second operand has 32 states, 32 states have (on average 1.875) internal successors, (60), 32 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:10:13,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:16,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:10:16,801 INFO L93 Difference]: Finished difference Result 79 states and 110 transitions. [2021-11-21 00:10:16,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-21 00:10:16,802 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.875) internal successors, (60), 32 states have internal predecessors, (60), 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 [2021-11-21 00:10:16,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:10:16,803 INFO L225 Difference]: With dead ends: 79 [2021-11-21 00:10:16,803 INFO L226 Difference]: Without dead ends: 69 [2021-11-21 00:10:16,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 50 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 59.3s TimeCoverageRelationStatistics Valid=366, Invalid=1100, Unknown=16, NotChecked=0, Total=1482 [2021-11-21 00:10:16,804 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 46 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:10:16,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 74 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 121 Invalid, 0 Unknown, 82 Unchecked, 5.2s Time] [2021-11-21 00:10:16,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-21 00:10:16,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 66. [2021-11-21 00:10:16,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.4153846153846155) internal successors, (92), 65 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:10:16,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 92 transitions. [2021-11-21 00:10:16,827 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 92 transitions. Word has length 15 [2021-11-21 00:10:16,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:10:16,828 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 92 transitions. [2021-11-21 00:10:16,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.875) internal successors, (60), 32 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:10:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2021-11-21 00:10:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 00:10:16,830 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:10:16,830 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:10:16,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-21 00:10:17,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2021-11-21 00:10:17,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-11-21 00:10:17,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:10:17,447 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:10:17,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:10:17,447 INFO L85 PathProgramCache]: Analyzing trace with hash -402398205, now seen corresponding path program 2 times [2021-11-21 00:10:17,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:10:17,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331553614] [2021-11-21 00:10:17,448 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-21 00:10:17,448 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:10:17,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:10:17,449 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:10:17,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-21 00:10:17,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-21 00:10:17,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:10:17,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 00:10:17,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:10:17,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:17,734 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 18 treesize of output 19 [2021-11-21 00:10:17,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:17,808 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:10:17,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 38 [2021-11-21 00:10:17,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:17,825 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:10:17,825 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 38 treesize of output 25 [2021-11-21 00:10:17,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:17,860 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 18 treesize of output 19 [2021-11-21 00:10:17,918 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:10:17,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 22 [2021-11-21 00:10:18,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:18,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:18,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:10:20,911 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:10:20,912 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 4 case distinctions, treesize of input 245 treesize of output 227 [2021-11-21 00:10:20,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:20,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:20,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:10:21,369 INFO L354 Elim1Store]: treesize reduction 550, result has 8.8 percent of original size [2021-11-21 00:10:21,370 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 4 case distinctions, treesize of input 274 treesize of output 238 [2021-11-21 00:10:21,600 INFO L354 Elim1Store]: treesize reduction 358, result has 8.7 percent of original size [2021-11-21 00:10:21,600 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 4 case distinctions, treesize of input 282 treesize of output 249 [2021-11-21 00:10:21,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:21,724 INFO L354 Elim1Store]: treesize reduction 188, result has 16.1 percent of original size [2021-11-21 00:10:21,725 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 4 case distinctions, treesize of input 231 treesize of output 183 [2021-11-21 00:10:21,830 INFO L354 Elim1Store]: treesize reduction 62, result has 37.4 percent of original size [2021-11-21 00:10:21,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 156 treesize of output 179 [2021-11-21 00:10:22,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:26,542 INFO L354 Elim1Store]: treesize reduction 1040, result has 5.9 percent of original size [2021-11-21 00:10:26,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 362 treesize of output 317 [2021-11-21 00:10:27,737 INFO L354 Elim1Store]: treesize reduction 250, result has 10.1 percent of original size [2021-11-21 00:10:27,738 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 4 case distinctions, treesize of input 385 treesize of output 364 [2021-11-21 00:10:27,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:28,644 INFO L354 Elim1Store]: treesize reduction 956, result has 6.5 percent of original size [2021-11-21 00:10:28,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 318 treesize of output 288 [2021-11-21 00:10:28,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:28,806 INFO L354 Elim1Store]: treesize reduction 188, result has 16.1 percent of original size [2021-11-21 00:10:28,807 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 4 case distinctions, treesize of input 290 treesize of output 242 [2021-11-21 00:10:28,904 INFO L354 Elim1Store]: treesize reduction 36, result has 46.3 percent of original size [2021-11-21 00:10:28,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 215 treesize of output 231 [2021-11-21 00:10:31,155 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-21 00:10:31,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 287 treesize of output 149 [2021-11-21 00:10:31,259 INFO L354 Elim1Store]: treesize reduction 100, result has 9.9 percent of original size [2021-11-21 00:10:31,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 113 treesize of output 99 [2021-11-21 00:10:31,284 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-21 00:10:31,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 90 treesize of output 62 [2021-11-21 00:10:31,378 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:10:31,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-11-21 00:10:31,441 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:10:31,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:10:34,171 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_169 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_49| (_ BitVec 32)) (v_DerPreprocessor_170 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_171 (_ BitVec 32)) (v_DerPreprocessor_172 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_47| (_ BitVec 32)) (v_DerPreprocessor_173 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse8 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse6 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_47|)) (.cse7 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_47|))) (let ((.cse0 (let ((.cse10 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| |ULTIMATE.start_main_~x~0#1|) .cse6 v_DerPreprocessor_172) .cse7 v_DerPreprocessor_171)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_170)))) (.cse1 (select (select (let ((.cse9 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| v_DerPreprocessor_169) .cse6 |c_ULTIMATE.start_main_~m~0#1.base|) .cse7 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_49|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| v_DerPreprocessor_173) .cse6 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse7 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_47|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse2 .cse3 (bvadd (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_49|)))))) is different from false [2021-11-21 00:10:46,188 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_176 (_ BitVec 32)) (v_DerPreprocessor_177 (_ BitVec 32)) (v_DerPreprocessor_178 (_ BitVec 32)) (v_DerPreprocessor_169 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_49| (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_59| (_ BitVec 32)) (v_DerPreprocessor_170 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_171 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_48| (_ BitVec 32)) (v_DerPreprocessor_172 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_47| (_ BitVec 32)) (v_DerPreprocessor_173 (_ BitVec 32)) (v_DerPreprocessor_174 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_50| (_ BitVec 32)) (v_DerPreprocessor_175 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_50|))))) (bvsgt (select (select (let ((.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse7 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_47|)) (.cse8 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_47|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse10 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_48|)) (.cse11 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_48|))) (let ((.cse0 (let ((.cse16 (let ((.cse17 (let ((.cse18 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_50| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_50|) |v_ULTIMATE.start_main_~n~0#1.offset_48| |ULTIMATE.start_main_~x~0#1|) .cse10 v_DerPreprocessor_177) .cse11 v_DerPreprocessor_176)))) (store .cse18 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse18 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_175))))) (store .cse17 |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select .cse17 |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| |v_ULTIMATE.start_main_~x~0#1_59|) .cse7 v_DerPreprocessor_172) .cse8 v_DerPreprocessor_171))))) (store .cse16 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse16 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_170)))) (.cse1 (select (select (let ((.cse13 (let ((.cse14 (let ((.cse15 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_50| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_50|) |v_ULTIMATE.start_main_~n~0#1.offset_48| v_DerPreprocessor_174) .cse10 |c_ULTIMATE.start_main_~m~0#1.base|) .cse11 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse15 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse15 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_50|))))) (store .cse14 |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select .cse14 |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| v_DerPreprocessor_169) .cse7 |c_ULTIMATE.start_main_~m~0#1.base|) .cse8 |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse13 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse13 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_49|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (let ((.cse6 (let ((.cse9 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_50| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_50|) |v_ULTIMATE.start_main_~n~0#1.offset_48| v_DerPreprocessor_178) .cse10 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse11 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_48|))))) (store .cse6 |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select .cse6 |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| v_DerPreprocessor_173) .cse7 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse8 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_47|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (store .cse2 .cse3 (bvadd (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_50| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_49|))))))) is different from false [2021-11-21 00:11:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 7 not checked. [2021-11-21 00:11:20,581 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:11:20,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331553614] [2021-11-21 00:11:20,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331553614] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:11:20,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [344036533] [2021-11-21 00:11:20,582 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-21 00:11:20,582 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-21 00:11:20,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-21 00:11:20,583 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-21 00:11:20,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2021-11-21 00:11:20,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-21 00:11:20,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:11:20,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 00:11:20,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:11:20,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:21,055 INFO L354 Elim1Store]: treesize reduction 50, result has 32.4 percent of original size [2021-11-21 00:11:21,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 51 [2021-11-21 00:11:21,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:21,135 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:11:21,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 48 [2021-11-21 00:11:21,240 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:11:21,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 24 [2021-11-21 00:11:21,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:21,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-21 00:11:21,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:21,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:11:22,187 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:11:22,188 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 4 case distinctions, treesize of input 174 treesize of output 156 [2021-11-21 00:11:22,425 INFO L354 Elim1Store]: treesize reduction 266, result has 9.5 percent of original size [2021-11-21 00:11:22,425 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 3 case distinctions, treesize of input 176 treesize of output 155 [2021-11-21 00:11:22,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:22,567 INFO L354 Elim1Store]: treesize reduction 138, result has 17.9 percent of original size [2021-11-21 00:11:22,568 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 3 case distinctions, treesize of input 137 treesize of output 107 [2021-11-21 00:11:22,690 INFO L354 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2021-11-21 00:11:22,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 86 treesize of output 103 [2021-11-21 00:11:27,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:27,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:27,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:11:27,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:27,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:11:27,853 INFO L354 Elim1Store]: treesize reduction 388, result has 7.4 percent of original size [2021-11-21 00:11:27,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 209 treesize of output 201 [2021-11-21 00:11:28,024 INFO L354 Elim1Store]: treesize reduction 28, result has 31.7 percent of original size [2021-11-21 00:11:28,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 177 treesize of output 181 [2021-11-21 00:11:28,133 INFO L354 Elim1Store]: treesize reduction 74, result has 16.9 percent of original size [2021-11-21 00:11:28,134 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 2 case distinctions, treesize of input 135 treesize of output 130 [2021-11-21 00:11:28,179 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-21 00:11:28,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 108 [2021-11-21 00:11:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:28,190 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 102 treesize of output 89 [2021-11-21 00:11:29,767 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 124 treesize of output 112 [2021-11-21 00:11:30,082 INFO L354 Elim1Store]: treesize reduction 72, result has 43.3 percent of original size [2021-11-21 00:11:30,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 112 treesize of output 142 [2021-11-21 00:11:30,135 INFO L354 Elim1Store]: treesize reduction 130, result has 0.8 percent of original size [2021-11-21 00:11:30,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 143 treesize of output 101 [2021-11-21 00:11:30,714 INFO L354 Elim1Store]: treesize reduction 21, result has 27.6 percent of original size [2021-11-21 00:11:30,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 49 [2021-11-21 00:11:30,767 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:11:30,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:11:30,820 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 55 treesize of output 37 [2021-11-21 00:11:32,847 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimCell_719 (_ BitVec 32))) (bvsgt (select (select (store |c_#memory_int| v_arrayElimCell_719 (let ((.cse0 (select |c_#memory_int| v_arrayElimCell_719)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~list~0#1.offset|)))) (store .cse0 .cse1 (bvadd (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32))) is different from false [2021-11-21 00:11:34,880 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimCell_719 (_ BitVec 32))) (bvsgt (select (select (store |c_#memory_int| v_arrayElimCell_719 (let ((.cse0 (select |c_#memory_int| v_arrayElimCell_719)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse0 .cse1 (bvadd (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32))) is different from false [2021-11-21 00:11:37,132 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_182 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_53| (_ BitVec 32)) (v_DerPreprocessor_183 (_ BitVec 32)) (v_arrayElimCell_719 (_ BitVec 32)) (v_DerPreprocessor_184 (_ BitVec 32)) (v_DerPreprocessor_185 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse4 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse0 (let ((.cse5 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_53| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_53|) (_ bv0 32) |ULTIMATE.start_main_~x~0#1|) (_ bv4 32) v_DerPreprocessor_185) (_ bv8 32) v_DerPreprocessor_184)))) (store .cse5 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 v_DerPreprocessor_183))))) (store .cse0 v_arrayElimCell_719 (let ((.cse1 (select .cse0 v_arrayElimCell_719)) (.cse2 (select (select (let ((.cse3 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_53| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_53|) (_ bv0 32) v_DerPreprocessor_182) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse3 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse1 .cse2 (bvadd (select .cse1 .cse2) (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_53|))))))) is different from false [2021-11-21 00:11:42,173 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_187 (_ BitVec 32)) (v_DerPreprocessor_188 (_ BitVec 32)) (v_DerPreprocessor_189 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_54| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_182 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_53| (_ BitVec 32)) (v_DerPreprocessor_183 (_ BitVec 32)) (v_DerPreprocessor_184 (_ BitVec 32)) (v_DerPreprocessor_185 (_ BitVec 32)) (v_DerPreprocessor_186 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_64| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_51| (_ BitVec 32)) (v_arrayElimCell_719 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_54|))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_54| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_53|)))))) (bvsgt (select (select (let ((.cse4 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse7 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_51|)) (.cse8 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_51|))) (let ((.cse0 (let ((.cse9 (let ((.cse10 (let ((.cse11 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_54| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_54|) |v_ULTIMATE.start_main_~n~0#1.offset_51| |ULTIMATE.start_main_~x~0#1|) .cse7 v_DerPreprocessor_189) .cse8 v_DerPreprocessor_188)))) (store .cse11 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse11 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 v_DerPreprocessor_187))))) (store .cse10 |v_ULTIMATE.start_main_~n~0#1.base_53| (store (store (store (select .cse10 |v_ULTIMATE.start_main_~n~0#1.base_53|) (_ bv0 32) |v_ULTIMATE.start_main_~x~0#1_64|) (_ bv4 32) v_DerPreprocessor_185) (_ bv8 32) v_DerPreprocessor_184))))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 v_DerPreprocessor_183))))) (store .cse0 v_arrayElimCell_719 (let ((.cse1 (select .cse0 v_arrayElimCell_719)) (.cse2 (select (select (let ((.cse3 (let ((.cse5 (let ((.cse6 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_54| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_54|) |v_ULTIMATE.start_main_~n~0#1.offset_51| v_DerPreprocessor_186) .cse7 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse8 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse6 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse6 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 |v_ULTIMATE.start_main_~n~0#1.offset_51|))))) (store .cse5 |v_ULTIMATE.start_main_~n~0#1.base_53| (store (store (store (select .cse5 |v_ULTIMATE.start_main_~n~0#1.base_53|) (_ bv0 32) v_DerPreprocessor_182) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse3 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse1 .cse2 (bvadd (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse1 .cse2))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) is different from false [2021-11-21 00:11:50,972 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 7 not checked. [2021-11-21 00:11:50,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [344036533] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:11:50,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763666730] [2021-11-21 00:11:50,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-21 00:11:50,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:11:50,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:11:50,974 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:11:50,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-11-21 00:11:52,050 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-21 00:11:52,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:11:52,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 00:11:52,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:11:52,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:52,086 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 18 treesize of output 19 [2021-11-21 00:11:52,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:52,158 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:11:52,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 38 [2021-11-21 00:11:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:52,175 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:11:52,175 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 38 treesize of output 25 [2021-11-21 00:11:52,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:52,203 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 18 treesize of output 19 [2021-11-21 00:11:52,263 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:11:52,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 22 [2021-11-21 00:11:52,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:52,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:11:54,382 INFO L354 Elim1Store]: treesize reduction 322, result has 9.8 percent of original size [2021-11-21 00:11:54,383 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 4 case distinctions, treesize of input 245 treesize of output 227 [2021-11-21 00:11:54,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:54,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:54,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:11:54,845 INFO L354 Elim1Store]: treesize reduction 550, result has 8.8 percent of original size [2021-11-21 00:11:54,845 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 4 case distinctions, treesize of input 274 treesize of output 238 [2021-11-21 00:11:55,052 INFO L354 Elim1Store]: treesize reduction 358, result has 8.7 percent of original size [2021-11-21 00:11:55,053 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 4 case distinctions, treesize of input 282 treesize of output 249 [2021-11-21 00:11:55,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:11:55,188 INFO L354 Elim1Store]: treesize reduction 188, result has 16.1 percent of original size [2021-11-21 00:11:55,188 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 4 case distinctions, treesize of input 231 treesize of output 183 [2021-11-21 00:11:55,295 INFO L354 Elim1Store]: treesize reduction 62, result has 37.4 percent of original size [2021-11-21 00:11:55,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 156 treesize of output 179 [2021-11-21 00:11:55,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:12:00,220 INFO L354 Elim1Store]: treesize reduction 944, result has 6.1 percent of original size [2021-11-21 00:12:00,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 360 treesize of output 336 [2021-11-21 00:12:00,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:12:01,126 INFO L354 Elim1Store]: treesize reduction 1124, result has 5.9 percent of original size [2021-11-21 00:12:01,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 374 treesize of output 311 [2021-11-21 00:12:01,387 INFO L354 Elim1Store]: treesize reduction 358, result has 8.7 percent of original size [2021-11-21 00:12:01,387 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 4 case distinctions, treesize of input 343 treesize of output 310 [2021-11-21 00:12:01,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:12:01,539 INFO L354 Elim1Store]: treesize reduction 188, result has 16.1 percent of original size [2021-11-21 00:12:01,539 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 4 case distinctions, treesize of input 292 treesize of output 244 [2021-11-21 00:12:01,629 INFO L354 Elim1Store]: treesize reduction 36, result has 46.3 percent of original size [2021-11-21 00:12:01,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 217 treesize of output 233 [2021-11-21 00:12:12,311 INFO L354 Elim1Store]: treesize reduction 268, result has 0.4 percent of original size [2021-11-21 00:12:12,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 497 treesize of output 225 [2021-11-21 00:12:12,339 INFO L354 Elim1Store]: treesize reduction 188, result has 0.5 percent of original size [2021-11-21 00:12:12,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 91 [2021-11-21 00:12:12,372 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-21 00:12:12,372 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 2 case distinctions, treesize of input 36 treesize of output 23 [2021-11-21 00:12:12,473 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:12:12,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-11-21 00:12:12,485 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:12:12,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:12:14,953 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_198 (_ BitVec 32)) (v_DerPreprocessor_199 (_ BitVec 32)) (v_DerPreprocessor_200 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_56| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_53| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_196 (_ BitVec 32)) (v_DerPreprocessor_197 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_56|)))) (bvsgt (select (select (let ((.cse8 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse6 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_53|)) (.cse7 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_53|))) (let ((.cse0 (let ((.cse10 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| |ULTIMATE.start_main_~x~0#1|) .cse6 v_DerPreprocessor_199) .cse7 v_DerPreprocessor_198)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_197)))) (.cse1 (select (select (let ((.cse9 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| v_DerPreprocessor_196) .cse6 |c_ULTIMATE.start_main_~m~0#1.base|) .cse7 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_56|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| v_DerPreprocessor_200) .cse6 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse7 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_53|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse2 .cse3 (bvadd (select .cse2 .cse3) (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) is different from false [2021-11-21 00:12:31,184 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_198 (_ BitVec 32)) (v_DerPreprocessor_199 (_ BitVec 32)) (v_DerPreprocessor_200 (_ BitVec 32)) (v_DerPreprocessor_201 (_ BitVec 32)) (v_DerPreprocessor_202 (_ BitVec 32)) (v_DerPreprocessor_203 (_ BitVec 32)) (v_DerPreprocessor_204 (_ BitVec 32)) (v_DerPreprocessor_205 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_57| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_54| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_56| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_53| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_196 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_69| (_ BitVec 32)) (v_DerPreprocessor_197 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_57|))) (bvsgt (select (select (let ((.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse7 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_53|)) (.cse8 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_53|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse10 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_54|)) (.cse11 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_54|))) (let ((.cse0 (let ((.cse16 (let ((.cse17 (let ((.cse18 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_57| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_57|) |v_ULTIMATE.start_main_~n~0#1.offset_54| |ULTIMATE.start_main_~x~0#1|) .cse10 v_DerPreprocessor_204) .cse11 v_DerPreprocessor_203)))) (store .cse18 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse18 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_202))))) (store .cse17 |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select .cse17 |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| |v_ULTIMATE.start_main_~x~0#1_69|) .cse7 v_DerPreprocessor_199) .cse8 v_DerPreprocessor_198))))) (store .cse16 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse16 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_197)))) (.cse1 (select (select (let ((.cse13 (let ((.cse14 (let ((.cse15 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_57| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_57|) |v_ULTIMATE.start_main_~n~0#1.offset_54| v_DerPreprocessor_201) .cse10 |c_ULTIMATE.start_main_~m~0#1.base|) .cse11 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse15 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse15 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_57|))))) (store .cse14 |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select .cse14 |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| v_DerPreprocessor_196) .cse7 |c_ULTIMATE.start_main_~m~0#1.base|) .cse8 |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse13 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse13 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_56|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (let ((.cse6 (let ((.cse9 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_57| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_57|) |v_ULTIMATE.start_main_~n~0#1.offset_54| v_DerPreprocessor_205) .cse10 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse11 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_54|))))) (store .cse6 |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select .cse6 |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| v_DerPreprocessor_200) .cse7 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse8 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_53|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (store .cse2 .cse3 (bvadd (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_57| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_56|))))))) is different from false [2021-11-21 00:13:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 7 not checked. [2021-11-21 00:13:02,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763666730] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:13:02,777 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-21 00:13:02,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 9, 8, 8] total 26 [2021-11-21 00:13:02,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612177453] [2021-11-21 00:13:02,777 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-21 00:13:02,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-21 00:13:02,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:13:02,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-21 00:13:02,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=238, Unknown=12, NotChecked=312, Total=650 [2021-11-21 00:13:02,779 INFO L87 Difference]: Start difference. First operand 66 states and 92 transitions. Second operand has 26 states, 26 states have (on average 2.269230769230769) internal successors, (59), 26 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) [2021-11-21 00:13:04,900 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse32 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse33 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse31 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse53 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (forall ((v_DerPreprocessor_176 (_ BitVec 32)) (v_DerPreprocessor_177 (_ BitVec 32)) (v_DerPreprocessor_178 (_ BitVec 32)) (v_DerPreprocessor_169 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_49| (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_59| (_ BitVec 32)) (v_DerPreprocessor_170 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_171 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_48| (_ BitVec 32)) (v_DerPreprocessor_172 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_47| (_ BitVec 32)) (v_DerPreprocessor_173 (_ BitVec 32)) (v_DerPreprocessor_174 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_50| (_ BitVec 32)) (v_DerPreprocessor_175 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_50|))))) (bvsgt (select (select (let ((.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse7 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_47|)) (.cse8 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_47|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse10 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_48|)) (.cse11 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_48|))) (let ((.cse0 (let ((.cse16 (let ((.cse17 (let ((.cse18 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_50| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_50|) |v_ULTIMATE.start_main_~n~0#1.offset_48| |ULTIMATE.start_main_~x~0#1|) .cse10 v_DerPreprocessor_177) .cse11 v_DerPreprocessor_176)))) (store .cse18 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse18 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_175))))) (store .cse17 |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select .cse17 |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| |v_ULTIMATE.start_main_~x~0#1_59|) .cse7 v_DerPreprocessor_172) .cse8 v_DerPreprocessor_171))))) (store .cse16 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse16 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_170)))) (.cse1 (select (select (let ((.cse13 (let ((.cse14 (let ((.cse15 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_50| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_50|) |v_ULTIMATE.start_main_~n~0#1.offset_48| v_DerPreprocessor_174) .cse10 |c_ULTIMATE.start_main_~m~0#1.base|) .cse11 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse15 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse15 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_50|))))) (store .cse14 |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select .cse14 |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| v_DerPreprocessor_169) .cse7 |c_ULTIMATE.start_main_~m~0#1.base|) .cse8 |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse13 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse13 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_49|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (let ((.cse6 (let ((.cse9 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_50| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_50|) |v_ULTIMATE.start_main_~n~0#1.offset_48| v_DerPreprocessor_178) .cse10 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse11 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_48|))))) (store .cse6 |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select .cse6 |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| v_DerPreprocessor_173) .cse7 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse8 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_47|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (store .cse2 .cse3 (bvadd (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_50| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_49|))))))) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~m~0#1.base|)) (_ bv1 1))) (= (_ bv0 32) |c_ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (forall ((v_DerPreprocessor_187 (_ BitVec 32)) (v_DerPreprocessor_188 (_ BitVec 32)) (v_DerPreprocessor_189 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_54| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_182 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_53| (_ BitVec 32)) (v_DerPreprocessor_183 (_ BitVec 32)) (v_DerPreprocessor_184 (_ BitVec 32)) (v_DerPreprocessor_185 (_ BitVec 32)) (v_DerPreprocessor_186 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_64| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_51| (_ BitVec 32)) (v_arrayElimCell_719 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_54|))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_54| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_53|)))))) (bvsgt (select (select (let ((.cse23 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse26 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_51|)) (.cse27 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_51|))) (let ((.cse19 (let ((.cse28 (let ((.cse29 (let ((.cse30 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_54| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_54|) |v_ULTIMATE.start_main_~n~0#1.offset_51| |ULTIMATE.start_main_~x~0#1|) .cse26 v_DerPreprocessor_189) .cse27 v_DerPreprocessor_188)))) (store .cse30 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse30 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 v_DerPreprocessor_187))))) (store .cse29 |v_ULTIMATE.start_main_~n~0#1.base_53| (store (store (store (select .cse29 |v_ULTIMATE.start_main_~n~0#1.base_53|) (_ bv0 32) |v_ULTIMATE.start_main_~x~0#1_64|) (_ bv4 32) v_DerPreprocessor_185) (_ bv8 32) v_DerPreprocessor_184))))) (store .cse28 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse28 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 v_DerPreprocessor_183))))) (store .cse19 v_arrayElimCell_719 (let ((.cse20 (select .cse19 v_arrayElimCell_719)) (.cse21 (select (select (let ((.cse22 (let ((.cse24 (let ((.cse25 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_54| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_54|) |v_ULTIMATE.start_main_~n~0#1.offset_51| v_DerPreprocessor_186) .cse26 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse27 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse25 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse25 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 |v_ULTIMATE.start_main_~n~0#1.offset_51|))))) (store .cse24 |v_ULTIMATE.start_main_~n~0#1.base_53| (store (store (store (select .cse24 |v_ULTIMATE.start_main_~n~0#1.base_53|) (_ bv0 32) v_DerPreprocessor_182) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse22 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse22 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse20 .cse21 (bvadd (select (select .cse19 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse20 .cse21))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) (= (select .cse31 .cse32) |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~list~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~head~0#1.base| (select .cse33 .cse32)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (_ bv1 32)) (forall ((v_DerPreprocessor_198 (_ BitVec 32)) (v_DerPreprocessor_199 (_ BitVec 32)) (v_DerPreprocessor_200 (_ BitVec 32)) (v_DerPreprocessor_201 (_ BitVec 32)) (v_DerPreprocessor_202 (_ BitVec 32)) (v_DerPreprocessor_203 (_ BitVec 32)) (v_DerPreprocessor_204 (_ BitVec 32)) (v_DerPreprocessor_205 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_57| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_54| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_56| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_53| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_196 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_69| (_ BitVec 32)) (v_DerPreprocessor_197 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_57|))) (bvsgt (select (select (let ((.cse46 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse41 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_53|)) (.cse42 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_53|)) (.cse39 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse44 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_54|)) (.cse45 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_54|))) (let ((.cse34 (let ((.cse50 (let ((.cse51 (let ((.cse52 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_57| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_57|) |v_ULTIMATE.start_main_~n~0#1.offset_54| |ULTIMATE.start_main_~x~0#1|) .cse44 v_DerPreprocessor_204) .cse45 v_DerPreprocessor_203)))) (store .cse52 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse52 |c_ULTIMATE.start_main_~list~0#1.base|) .cse39 v_DerPreprocessor_202))))) (store .cse51 |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select .cse51 |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| |v_ULTIMATE.start_main_~x~0#1_69|) .cse41 v_DerPreprocessor_199) .cse42 v_DerPreprocessor_198))))) (store .cse50 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse50 |c_ULTIMATE.start_main_~list~0#1.base|) .cse39 v_DerPreprocessor_197)))) (.cse35 (select (select (let ((.cse47 (let ((.cse48 (let ((.cse49 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_57| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_57|) |v_ULTIMATE.start_main_~n~0#1.offset_54| v_DerPreprocessor_201) .cse44 |c_ULTIMATE.start_main_~m~0#1.base|) .cse45 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse49 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse49 |c_ULTIMATE.start_main_~list~0#1.base|) .cse39 |v_ULTIMATE.start_main_~n~0#1.base_57|))))) (store .cse48 |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select .cse48 |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| v_DerPreprocessor_196) .cse41 |c_ULTIMATE.start_main_~m~0#1.base|) .cse42 |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse47 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse47 |c_ULTIMATE.start_main_~list~0#1.base|) .cse39 |v_ULTIMATE.start_main_~n~0#1.base_56|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse46))) (store .cse34 .cse35 (let ((.cse36 (select .cse34 .cse35)) (.cse37 (select (select (let ((.cse38 (let ((.cse40 (let ((.cse43 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_57| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_57|) |v_ULTIMATE.start_main_~n~0#1.offset_54| v_DerPreprocessor_205) .cse44 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse45 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse43 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse43 |c_ULTIMATE.start_main_~list~0#1.base|) .cse39 |v_ULTIMATE.start_main_~n~0#1.offset_54|))))) (store .cse40 |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select .cse40 |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| v_DerPreprocessor_200) .cse41 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse42 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse38 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse38 |c_ULTIMATE.start_main_~list~0#1.base|) .cse39 |v_ULTIMATE.start_main_~n~0#1.offset_53|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse46))) (store .cse36 .cse37 (bvadd (select (select .cse34 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse36 .cse37))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_57| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_56|))))))) (= (select .cse33 .cse53) |c_ULTIMATE.start_main_~m~0#1.base|) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse31 .cse53)))) is different from false [2021-11-21 00:13:06,912 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse32 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse33 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse31 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse53 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (forall ((v_DerPreprocessor_176 (_ BitVec 32)) (v_DerPreprocessor_177 (_ BitVec 32)) (v_DerPreprocessor_178 (_ BitVec 32)) (v_DerPreprocessor_169 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_49| (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_59| (_ BitVec 32)) (v_DerPreprocessor_170 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_171 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_48| (_ BitVec 32)) (v_DerPreprocessor_172 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_47| (_ BitVec 32)) (v_DerPreprocessor_173 (_ BitVec 32)) (v_DerPreprocessor_174 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_50| (_ BitVec 32)) (v_DerPreprocessor_175 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_50|))))) (bvsgt (select (select (let ((.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse7 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_47|)) (.cse8 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_47|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse10 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_48|)) (.cse11 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_48|))) (let ((.cse0 (let ((.cse16 (let ((.cse17 (let ((.cse18 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_50| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_50|) |v_ULTIMATE.start_main_~n~0#1.offset_48| |ULTIMATE.start_main_~x~0#1|) .cse10 v_DerPreprocessor_177) .cse11 v_DerPreprocessor_176)))) (store .cse18 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse18 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_175))))) (store .cse17 |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select .cse17 |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| |v_ULTIMATE.start_main_~x~0#1_59|) .cse7 v_DerPreprocessor_172) .cse8 v_DerPreprocessor_171))))) (store .cse16 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse16 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_170)))) (.cse1 (select (select (let ((.cse13 (let ((.cse14 (let ((.cse15 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_50| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_50|) |v_ULTIMATE.start_main_~n~0#1.offset_48| v_DerPreprocessor_174) .cse10 |c_ULTIMATE.start_main_~m~0#1.base|) .cse11 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse15 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse15 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_50|))))) (store .cse14 |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select .cse14 |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| v_DerPreprocessor_169) .cse7 |c_ULTIMATE.start_main_~m~0#1.base|) .cse8 |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse13 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse13 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_49|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (let ((.cse6 (let ((.cse9 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_50| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_50|) |v_ULTIMATE.start_main_~n~0#1.offset_48| v_DerPreprocessor_178) .cse10 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse11 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_48|))))) (store .cse6 |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select .cse6 |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| v_DerPreprocessor_173) .cse7 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse8 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_47|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (store .cse2 .cse3 (bvadd (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_50| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_49|))))))) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~m~0#1.base|)) (_ bv1 1))) (= (_ bv0 32) |c_ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (forall ((v_DerPreprocessor_187 (_ BitVec 32)) (v_DerPreprocessor_188 (_ BitVec 32)) (v_DerPreprocessor_189 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_54| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_182 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_53| (_ BitVec 32)) (v_DerPreprocessor_183 (_ BitVec 32)) (v_DerPreprocessor_184 (_ BitVec 32)) (v_DerPreprocessor_185 (_ BitVec 32)) (v_DerPreprocessor_186 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_64| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_51| (_ BitVec 32)) (v_arrayElimCell_719 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_54|))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_54| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_53|)))))) (bvsgt (select (select (let ((.cse23 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse26 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_51|)) (.cse27 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_51|))) (let ((.cse19 (let ((.cse28 (let ((.cse29 (let ((.cse30 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_54| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_54|) |v_ULTIMATE.start_main_~n~0#1.offset_51| |ULTIMATE.start_main_~x~0#1|) .cse26 v_DerPreprocessor_189) .cse27 v_DerPreprocessor_188)))) (store .cse30 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse30 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 v_DerPreprocessor_187))))) (store .cse29 |v_ULTIMATE.start_main_~n~0#1.base_53| (store (store (store (select .cse29 |v_ULTIMATE.start_main_~n~0#1.base_53|) (_ bv0 32) |v_ULTIMATE.start_main_~x~0#1_64|) (_ bv4 32) v_DerPreprocessor_185) (_ bv8 32) v_DerPreprocessor_184))))) (store .cse28 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse28 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 v_DerPreprocessor_183))))) (store .cse19 v_arrayElimCell_719 (let ((.cse20 (select .cse19 v_arrayElimCell_719)) (.cse21 (select (select (let ((.cse22 (let ((.cse24 (let ((.cse25 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_54| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_54|) |v_ULTIMATE.start_main_~n~0#1.offset_51| v_DerPreprocessor_186) .cse26 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse27 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse25 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse25 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 |v_ULTIMATE.start_main_~n~0#1.offset_51|))))) (store .cse24 |v_ULTIMATE.start_main_~n~0#1.base_53| (store (store (store (select .cse24 |v_ULTIMATE.start_main_~n~0#1.base_53|) (_ bv0 32) v_DerPreprocessor_182) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse22 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse22 |c_ULTIMATE.start_main_~list~0#1.base|) .cse23 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse20 .cse21 (bvadd (select (select .cse19 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse20 .cse21))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) (= (select .cse31 .cse32) |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~list~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~head~0#1.base| (select .cse33 .cse32)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (_ bv1 32)) (forall ((v_DerPreprocessor_198 (_ BitVec 32)) (v_DerPreprocessor_199 (_ BitVec 32)) (v_DerPreprocessor_200 (_ BitVec 32)) (v_DerPreprocessor_201 (_ BitVec 32)) (v_DerPreprocessor_202 (_ BitVec 32)) (v_DerPreprocessor_203 (_ BitVec 32)) (v_DerPreprocessor_204 (_ BitVec 32)) (v_DerPreprocessor_205 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_57| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_54| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_56| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_53| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_196 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_69| (_ BitVec 32)) (v_DerPreprocessor_197 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_57|))) (bvsgt (select (select (let ((.cse46 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse41 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_53|)) (.cse42 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_53|)) (.cse39 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse44 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_54|)) (.cse45 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_54|))) (let ((.cse34 (let ((.cse50 (let ((.cse51 (let ((.cse52 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_57| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_57|) |v_ULTIMATE.start_main_~n~0#1.offset_54| |ULTIMATE.start_main_~x~0#1|) .cse44 v_DerPreprocessor_204) .cse45 v_DerPreprocessor_203)))) (store .cse52 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse52 |c_ULTIMATE.start_main_~list~0#1.base|) .cse39 v_DerPreprocessor_202))))) (store .cse51 |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select .cse51 |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| |v_ULTIMATE.start_main_~x~0#1_69|) .cse41 v_DerPreprocessor_199) .cse42 v_DerPreprocessor_198))))) (store .cse50 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse50 |c_ULTIMATE.start_main_~list~0#1.base|) .cse39 v_DerPreprocessor_197)))) (.cse35 (select (select (let ((.cse47 (let ((.cse48 (let ((.cse49 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_57| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_57|) |v_ULTIMATE.start_main_~n~0#1.offset_54| v_DerPreprocessor_201) .cse44 |c_ULTIMATE.start_main_~m~0#1.base|) .cse45 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse49 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse49 |c_ULTIMATE.start_main_~list~0#1.base|) .cse39 |v_ULTIMATE.start_main_~n~0#1.base_57|))))) (store .cse48 |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select .cse48 |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| v_DerPreprocessor_196) .cse41 |c_ULTIMATE.start_main_~m~0#1.base|) .cse42 |c_ULTIMATE.start_main_~head~0#1.base|))))) (store .cse47 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse47 |c_ULTIMATE.start_main_~list~0#1.base|) .cse39 |v_ULTIMATE.start_main_~n~0#1.base_56|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse46))) (store .cse34 .cse35 (let ((.cse36 (select .cse34 .cse35)) (.cse37 (select (select (let ((.cse38 (let ((.cse40 (let ((.cse43 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_57| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_57|) |v_ULTIMATE.start_main_~n~0#1.offset_54| v_DerPreprocessor_205) .cse44 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse45 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse43 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse43 |c_ULTIMATE.start_main_~list~0#1.base|) .cse39 |v_ULTIMATE.start_main_~n~0#1.offset_54|))))) (store .cse40 |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select .cse40 |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| v_DerPreprocessor_200) .cse41 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse42 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (store .cse38 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse38 |c_ULTIMATE.start_main_~list~0#1.base|) .cse39 |v_ULTIMATE.start_main_~n~0#1.offset_53|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse46))) (store .cse36 .cse37 (bvadd (select (select .cse34 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse36 .cse37))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_57| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_56|))))))) (= (select .cse33 .cse53) |c_ULTIMATE.start_main_~m~0#1.base|) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse31 .cse53)))) is different from true [2021-11-21 00:13:08,933 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse41 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse40 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse41)) (.cse32 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) .cse41))) (let ((.cse35 (select |c_#memory_$Pointer$.base| .cse32)) (.cse34 (bvadd .cse40 (_ bv8 32))) (.cse33 (select |c_#memory_$Pointer$.offset| .cse32)) (.cse36 (bvadd .cse40 (_ bv4 32))) (.cse37 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (= (_ bv0 32) |c_ULTIMATE.start_main_~head~0#1.offset|) (forall ((v_DerPreprocessor_169 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_49| (_ BitVec 32)) (v_DerPreprocessor_170 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_171 (_ BitVec 32)) (v_DerPreprocessor_172 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_47| (_ BitVec 32)) (v_DerPreprocessor_173 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse8 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse6 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_47|)) (.cse7 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_47|))) (let ((.cse0 (let ((.cse10 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| |ULTIMATE.start_main_~x~0#1|) .cse6 v_DerPreprocessor_172) .cse7 v_DerPreprocessor_171)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_DerPreprocessor_170)))) (.cse1 (select (select (let ((.cse9 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| v_DerPreprocessor_169) .cse6 |c_ULTIMATE.start_main_~m~0#1.base|) .cse7 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.base_49|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse0 .cse1 (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_49| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_49|) |v_ULTIMATE.start_main_~n~0#1.offset_47| v_DerPreprocessor_173) .cse6 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse7 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 |v_ULTIMATE.start_main_~n~0#1.offset_47|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (store .cse2 .cse3 (bvadd (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_49|)))))) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (exists ((v_arrayElimCell_690 (_ BitVec 1))) (let ((.cse11 (bvneg v_arrayElimCell_690))) (and (= (_ bv0 1) (bvadd .cse11 (select |c_#valid| |c_ULTIMATE.start_main_~m~0#1.base|))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg .cse11))))) (_ bv1 1)))))) (exists ((|ULTIMATE.start_main_~n~0#1.base| (_ BitVec 32))) (let ((.cse12 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|)) (.cse13 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)))) (and (= (select .cse12 (bvadd .cse13 (_ bv4 32))) |c_ULTIMATE.start_main_~m~0#1.offset|) (not (= |c_ULTIMATE.start_main_~head~0#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (= (select .cse12 (bvadd .cse13 (_ bv8 32))) |c_ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| |ULTIMATE.start_main_~n~0#1.base|))))) (_ bv1 1))) (not (= |c_ULTIMATE.start_main_~m~0#1.base| |ULTIMATE.start_main_~n~0#1.base|))))) (forall ((|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_182 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_53| (_ BitVec 32)) (v_DerPreprocessor_183 (_ BitVec 32)) (v_arrayElimCell_719 (_ BitVec 32)) (v_DerPreprocessor_184 (_ BitVec 32)) (v_DerPreprocessor_185 (_ BitVec 32))) (or (bvsgt (select (select (let ((.cse18 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse14 (let ((.cse19 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_53| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_53|) (_ bv0 32) |ULTIMATE.start_main_~x~0#1|) (_ bv4 32) v_DerPreprocessor_185) (_ bv8 32) v_DerPreprocessor_184)))) (store .cse19 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse19 |c_ULTIMATE.start_main_~list~0#1.base|) .cse18 v_DerPreprocessor_183))))) (store .cse14 v_arrayElimCell_719 (let ((.cse15 (select .cse14 v_arrayElimCell_719)) (.cse16 (select (select (let ((.cse17 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_53| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_53|) (_ bv0 32) v_DerPreprocessor_182) (_ bv4 32) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse17 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse17 |c_ULTIMATE.start_main_~list~0#1.base|) .cse18 (_ bv0 32)))) |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse15 .cse16 (bvadd (select .cse15 .cse16) (select (select .cse14 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_53|))))))) (exists ((v_arrayElimCell_646 (_ BitVec 1))) (let ((.cse20 (bvneg v_arrayElimCell_646))) (and (= (_ bv0 1) (bvadd (select |c_#valid| |c_ULTIMATE.start_main_~m~0#1.base|) .cse20)) (= (_ bv0 1) (bvadd .cse20 (_ bv1 1)))))) (forall ((v_DerPreprocessor_198 (_ BitVec 32)) (v_DerPreprocessor_199 (_ BitVec 32)) (v_DerPreprocessor_200 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_56| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_53| (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_196 (_ BitVec 32)) (v_DerPreprocessor_197 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_56|)))) (bvsgt (select (select (let ((.cse29 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse26 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse27 (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_53|)) (.cse28 (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_53|))) (let ((.cse21 (let ((.cse31 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| |ULTIMATE.start_main_~x~0#1|) .cse27 v_DerPreprocessor_199) .cse28 v_DerPreprocessor_198)))) (store .cse31 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse31 |c_ULTIMATE.start_main_~list~0#1.base|) .cse26 v_DerPreprocessor_197)))) (.cse22 (select (select (let ((.cse30 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| v_DerPreprocessor_196) .cse27 |c_ULTIMATE.start_main_~m~0#1.base|) .cse28 |c_ULTIMATE.start_main_~head~0#1.base|)))) (store .cse30 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse30 |c_ULTIMATE.start_main_~list~0#1.base|) .cse26 |v_ULTIMATE.start_main_~n~0#1.base_56|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse29))) (store .cse21 .cse22 (let ((.cse23 (select .cse21 .cse22)) (.cse24 (select (select (let ((.cse25 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_56| (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_56|) |v_ULTIMATE.start_main_~n~0#1.offset_53| v_DerPreprocessor_200) .cse27 |c_ULTIMATE.start_main_~m~0#1.offset|) .cse28 |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse25 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse25 |c_ULTIMATE.start_main_~list~0#1.base|) .cse26 |v_ULTIMATE.start_main_~n~0#1.offset_53|))) |c_ULTIMATE.start_main_~head~0#1.base|) .cse29))) (store .cse23 .cse24 (bvadd (select .cse23 .cse24) (select (select .cse21 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32)))) (not (= .cse32 |c_ULTIMATE.start_main_~head~0#1.base|)) (not (= .cse32 |c_ULTIMATE.start_main_~m~0#1.base|)) (= (select .cse33 .cse34) |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~list~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (= (select .cse35 .cse36) |c_ULTIMATE.start_main_~m~0#1.base|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (_ bv1 32)) (= |c_ULTIMATE.start_main_~head~0#1.base| (select .cse35 .cse34)) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse33 .cse36)) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse37) |c_ULTIMATE.start_main_~m~0#1.base|) (not (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~m~0#1.base|)) (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| .cse32)) (_ bv1 1))) (exists ((v_arrayElimCell_689 (_ BitVec 1))) (let ((.cse38 (bvneg v_arrayElimCell_689))) (and (= (_ bv0 1) (bvadd (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|) .cse38)) (= (_ bv0 1) (bvadd .cse38 (_ bv1 1)))))) (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|) (exists ((v_arrayElimCell_644 (_ BitVec 1))) (let ((.cse39 (bvneg v_arrayElimCell_644))) (and (= (_ bv0 1) (bvadd .cse39 (_ bv1 1))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|))))) (bvneg (bvneg (bvneg (bvneg .cse39))))))))) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse37)))))) is different from false [2021-11-21 00:13:12,037 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse16 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse17 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (let ((.cse11 (select .cse16 .cse17)) (.cse6 (select .cse7 .cse17))) (let ((.cse2 (select |c_#memory_$Pointer$.offset| .cse6)) (.cse1 (bvadd (_ bv8 32) .cse11)) (.cse0 (select |c_#memory_$Pointer$.base| .cse6)) (.cse3 (bvadd (_ bv4 32) .cse11)) (.cse8 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (= |c_ULTIMATE.start_main_~head~0#1.base| (select .cse0 .cse1)) (= (_ bv0 32) |c_ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (= (select .cse2 .cse3) |c_ULTIMATE.start_main_~m~0#1.offset|) (forall ((v_arrayElimCell_719 (_ BitVec 32))) (bvsgt (select (select (store |c_#memory_int| v_arrayElimCell_719 (let ((.cse4 (select |c_#memory_int| v_arrayElimCell_719)) (.cse5 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (store .cse4 .cse5 (bvadd (select .cse4 .cse5) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32))) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (_ bv1 32)) (not (= |c_ULTIMATE.start_main_~head~0#1.base| .cse6)) (= (select .cse7 .cse8) |c_ULTIMATE.start_main_~m~0#1.base|) (not (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~m~0#1.base|)) (= (select .cse2 .cse1) |c_ULTIMATE.start_main_~head~0#1.offset|) (exists ((|ULTIMATE.start_main_~n~0#1.base| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_52| (_ BitVec 32)) (v_arrayElimIndex_91 (_ BitVec 32))) (let ((.cse9 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|)) (.cse10 (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_52|))) (and (= (select .cse9 (_ bv4 32)) |c_ULTIMATE.start_main_~m~0#1.offset|) (not (= |c_ULTIMATE.start_main_~head~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_52|)) (not (= |c_ULTIMATE.start_main_~m~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_52|)) (= (select .cse10 (bvadd (_ bv4294967292 32) v_arrayElimIndex_91)) |c_ULTIMATE.start_main_~m~0#1.offset|) (= (select .cse9 (_ bv8 32)) |c_ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_52|)) (not (= |c_ULTIMATE.start_main_~head~0#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (not (= |c_ULTIMATE.start_main_~m~0#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select .cse10 v_arrayElimIndex_91))))) (= .cse11 (_ bv0 32)) (= |c_ULTIMATE.start_main_~m~0#1.base| (select .cse0 .cse3)) (exists ((v_arrayElimCell_734 (_ BitVec 32)) (v_arrayElimIndex_95 (_ BitVec 32))) (let ((.cse13 (bvadd v_arrayElimCell_734 (_ bv8 32))) (.cse14 (select |c_#memory_$Pointer$.base| v_arrayElimIndex_95)) (.cse12 (select |c_#memory_$Pointer$.offset| v_arrayElimIndex_95)) (.cse15 (bvadd v_arrayElimCell_734 (_ bv4 32)))) (and (= (select .cse12 .cse13) |c_ULTIMATE.start_main_~head~0#1.offset|) (not (= |c_ULTIMATE.start_main_~head~0#1.base| v_arrayElimIndex_95)) (not (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~head~0#1.offset|)) v_arrayElimIndex_95)) (= (select .cse14 .cse13) |c_ULTIMATE.start_main_~head~0#1.base|) (= |c_ULTIMATE.start_main_~m~0#1.base| (select .cse14 .cse15)) (not (= v_arrayElimIndex_95 |c_ULTIMATE.start_main_~m~0#1.base|)) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse12 .cse15))))) (not (= .cse6 |c_ULTIMATE.start_main_~m~0#1.base|)) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse16 .cse8)))))) is different from false [2021-11-21 00:13:14,063 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse16 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|))) (and (= |c_ULTIMATE.start_main_~m~0#1.offset| (_ bv0 32)) (= (_ bv100 32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (exists ((v_arrayElimCell_734 (_ BitVec 32)) (v_arrayElimIndex_95 (_ BitVec 32))) (let ((.cse9 (select |c_#memory_$Pointer$.base| v_arrayElimIndex_95)) (.cse12 (select |c_#memory_$Pointer$.offset| v_arrayElimIndex_95)) (.cse15 (bvadd v_arrayElimCell_734 (_ bv8 32)))) (let ((.cse1 (select .cse12 .cse15)) (.cse0 (select .cse9 .cse15))) (let ((.cse7 (select |c_#memory_$Pointer$.base| .cse0)) (.cse11 (select |c_#memory_$Pointer$.offset| .cse0)) (.cse14 (bvadd (_ bv8 32) .cse1))) (let ((.cse13 (select .cse11 .cse14)) (.cse5 (select .cse7 .cse14))) (let ((.cse2 (select |c_#memory_$Pointer$.offset| .cse5)) (.cse3 (bvadd (_ bv4 32) .cse13)) (.cse6 (select |c_#memory_$Pointer$.base| .cse5)) (.cse4 (bvadd (_ bv8 32) .cse13)) (.cse8 (bvadd (_ bv4 32) .cse1)) (.cse10 (bvadd v_arrayElimCell_734 (_ bv4 32)))) (and (= (select (select |c_#memory_int| .cse0) .cse1) (_ bv1 32)) (= (select .cse2 .cse3) |c_ULTIMATE.start_main_~m~0#1.offset|) (= (select .cse2 .cse4) .cse1) (= |c_ULTIMATE.start_main_~list~0#1.base| .cse0) (not (= .cse5 v_arrayElimIndex_95)) (= (select .cse6 .cse3) |c_ULTIMATE.start_main_~m~0#1.base|) (= (select .cse6 .cse4) .cse0) (= .cse1 (_ bv0 32)) (= (select .cse7 .cse8) |c_ULTIMATE.start_main_~m~0#1.base|) (= |c_ULTIMATE.start_main_~m~0#1.base| (select .cse9 .cse10)) (= |c_ULTIMATE.start_main_~list~0#1.offset| .cse1) (not (= .cse5 .cse0)) (= (select .cse11 .cse8) |c_ULTIMATE.start_main_~m~0#1.offset|) (not (= v_arrayElimIndex_95 |c_ULTIMATE.start_main_~m~0#1.base|)) (not (= .cse0 v_arrayElimIndex_95)) (not (= .cse5 |c_ULTIMATE.start_main_~m~0#1.base|)) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse12 .cse10))))))))) (= (select .cse16 (_ bv8 32)) (_ bv0 32)) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~m~0#1.base|)) (= |c_ULTIMATE.start_main_~m~0#1.offset| (select .cse16 (_ bv4 32))) (exists ((v_arrayElimCell_649 (_ BitVec 32)) (v_arrayElimIndex_83 (_ BitVec 32))) (let ((.cse27 (select |c_#memory_$Pointer$.base| v_arrayElimCell_649))) (let ((.cse18 (select .cse27 v_arrayElimIndex_83))) (let ((.cse26 (select |c_#memory_$Pointer$.base| .cse18)) (.cse17 (select |c_#memory_$Pointer$.offset| .cse18))) (let ((.cse28 (select .cse17 (_ bv8 32))) (.cse21 (select .cse26 (_ bv8 32)))) (let ((.cse22 (select |c_#memory_$Pointer$.offset| v_arrayElimCell_649)) (.cse19 (select |c_#memory_$Pointer$.base| .cse21)) (.cse24 (bvadd (_ bv4 32) .cse28)) (.cse25 (bvadd (_ bv4294967292 32) v_arrayElimIndex_83)) (.cse23 (select |c_#memory_$Pointer$.offset| .cse21)) (.cse20 (bvadd (_ bv8 32) .cse28))) (and (= (select .cse17 (_ bv4 32)) |c_ULTIMATE.start_main_~m~0#1.offset|) (= .cse18 (select .cse19 .cse20)) (not (= .cse21 .cse18)) (not (= .cse21 v_arrayElimCell_649)) (= (select .cse22 v_arrayElimIndex_83) (_ bv0 32)) (= |c_ULTIMATE.start_main_~list~0#1.base| .cse18) (= (select .cse23 .cse24) |c_ULTIMATE.start_main_~m~0#1.offset|) (not (= .cse21 |c_ULTIMATE.start_main_~m~0#1.base|)) (= (select .cse22 .cse25) |c_ULTIMATE.start_main_~m~0#1.offset|) (not (= v_arrayElimCell_649 .cse18)) (= (select .cse26 (_ bv4 32)) |c_ULTIMATE.start_main_~m~0#1.base|) (= (select .cse19 .cse24) |c_ULTIMATE.start_main_~m~0#1.base|) (= (select .cse27 .cse25) |c_ULTIMATE.start_main_~m~0#1.base|) (= (select .cse23 .cse20) (_ bv0 32)) (not (= v_arrayElimCell_649 |c_ULTIMATE.start_main_~m~0#1.base|)) (= (select (select |c_#memory_int| .cse18) (_ bv0 32)) (_ bv1 32))))))))) (exists ((|v_ULTIMATE.start_main_~n~0#1.base_52| (_ BitVec 32)) (|ULTIMATE.start_main_~n~0#1.base| (_ BitVec 32)) (v_arrayElimIndex_91 (_ BitVec 32))) (let ((.cse29 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|)) (.cse30 (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~n~0#1.base_52|))) (and (= (select .cse29 (_ bv4 32)) |c_ULTIMATE.start_main_~m~0#1.offset|) (not (= |c_ULTIMATE.start_main_~m~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_52|)) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_52|)) (= (select .cse30 (bvadd (_ bv4294967292 32) v_arrayElimIndex_91)) |c_ULTIMATE.start_main_~m~0#1.offset|) (= (select .cse29 (_ bv8 32)) (_ bv0 32)) (= (_ bv0 32) (select .cse30 v_arrayElimIndex_91)) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_52|)) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (not (= |c_ULTIMATE.start_main_~m~0#1.base| |ULTIMATE.start_main_~n~0#1.base|))))) (= |c_ULTIMATE.start_main_~list~0#1.offset| (_ bv0 32)) (forall ((v_arrayElimCell_719 (_ BitVec 32))) (bvsgt (select (select (store |c_#memory_int| v_arrayElimCell_719 (let ((.cse31 (select |c_#memory_int| v_arrayElimCell_719)) (.cse32 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~list~0#1.offset|)))) (store .cse31 .cse32 (bvadd (select .cse31 .cse32) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|))))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv90 32))) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) (_ bv0 32)) (_ bv1 32)))) is different from false [2021-11-21 00:13:17,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:13:17,741 INFO L93 Difference]: Finished difference Result 91 states and 125 transitions. [2021-11-21 00:13:17,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-21 00:13:17,742 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.269230769230769) internal successors, (59), 26 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) Word has length 16 [2021-11-21 00:13:17,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:13:17,743 INFO L225 Difference]: With dead ends: 91 [2021-11-21 00:13:17,743 INFO L226 Difference]: Without dead ends: 79 [2021-11-21 00:13:17,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 61 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 12 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 48.1s TimeCoverageRelationStatistics Valid=104, Invalid=269, Unknown=17, NotChecked=540, Total=930 [2021-11-21 00:13:17,744 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 129 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:13:17,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 129 Unchecked, 0.1s Time] [2021-11-21 00:13:17,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-11-21 00:13:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 68. [2021-11-21 00:13:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4328358208955223) internal successors, (96), 67 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:13:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2021-11-21 00:13:17,768 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 16 [2021-11-21 00:13:17,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:13:17,768 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2021-11-21 00:13:17,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.269230769230769) internal successors, (59), 26 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) [2021-11-21 00:13:17,769 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2021-11-21 00:13:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 00:13:17,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:13:17,770 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:13:17,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2021-11-21 00:13:18,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-11-21 00:13:18,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2021-11-21 00:13:18,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt [2021-11-21 00:13:18,383 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:13:18,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:13:18,384 INFO L85 PathProgramCache]: Analyzing trace with hash -400553085, now seen corresponding path program 1 times [2021-11-21 00:13:18,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:13:18,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898204427] [2021-11-21 00:13:18,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:13:18,384 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:13:18,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:13:18,392 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:13:18,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77de21c0-783b-404b-979c-61fd016c32e3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-21 00:13:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:13:18,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 00:13:18,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:13:18,758 INFO L354 Elim1Store]: treesize reduction 75, result has 29.9 percent of original size [2021-11-21 00:13:18,758 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 2 case distinctions, treesize of input 58 treesize of output 51 [2021-11-21 00:13:18,860 INFO L354 Elim1Store]: treesize reduction 62, result has 28.7 percent of original size [2021-11-21 00:13:18,860 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 51 treesize of output 48 [2021-11-21 00:13:19,037 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:13:19,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 22 [2021-11-21 00:13:19,494 INFO L354 Elim1Store]: treesize reduction 158, result has 12.2 percent of original size [2021-11-21 00:13:19,494 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 3 case distinctions, treesize of input 104 treesize of output 95 [2021-11-21 00:13:19,649 INFO L354 Elim1Store]: treesize reduction 120, result has 20.0 percent of original size [2021-11-21 00:13:19,649 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 3 case distinctions, treesize of input 83 treesize of output 65 [2021-11-21 00:13:19,759 INFO L354 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2021-11-21 00:13:19,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 67 [2021-11-21 00:13:20,177 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-11-21 00:13:20,178 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 2 case distinctions, treesize of input 135 treesize of output 123 [2021-11-21 00:13:20,283 INFO L354 Elim1Store]: treesize reduction 110, result has 13.4 percent of original size [2021-11-21 00:13:20,283 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 2 case distinctions, treesize of input 114 treesize of output 87 [2021-11-21 00:13:20,358 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-11-21 00:13:20,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 79 [2021-11-21 00:13:20,516 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 80 treesize of output 56 [2021-11-21 00:13:20,521 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 56 treesize of output 38 [2021-11-21 00:13:20,755 INFO L354 Elim1Store]: treesize reduction 61, result has 41.9 percent of original size [2021-11-21 00:13:20,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 61 [2021-11-21 00:13:34,894 INFO L354 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2021-11-21 00:13:34,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 85 treesize of output 85 [2021-11-21 00:13:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:13:34,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:13:35,143 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 76 treesize of output 52 [2021-11-21 00:13:35,148 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 52 treesize of output 34 [2021-11-21 00:13:41,648 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~n~0#1.base_60| (_ BitVec 32)) (v_DerPreprocessor_210 (_ BitVec 32)) (|v_ULTIMATE.start_main_~list~0#1.base_116| (_ BitVec 32)) (v_DerPreprocessor_208 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_DerPreprocessor_209 (_ BitVec 32)) (|v_ULTIMATE.start_main_~list~0#1.offset_116| (_ BitVec 32)) (v_arrayElimCell_791 (_ BitVec 32)) (v_arrayElimCell_790 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_56| (_ BitVec 32))) (let ((.cse1 (let ((.cse3 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_60| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_60|) |v_ULTIMATE.start_main_~n~0#1.offset_56| |ULTIMATE.start_main_~x~0#1|) (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_56|) v_DerPreprocessor_210) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_56|) v_DerPreprocessor_209)))) (store .cse3 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~list~0#1.offset|) v_DerPreprocessor_208))))) (let ((.cse2 (select .cse1 v_arrayElimCell_790))) (let ((.cse0 (select .cse2 v_arrayElimCell_791))) (or (bvsle .cse0 (_ bv100 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_60|))) (bvslt (select (select (store .cse1 v_arrayElimCell_790 (store .cse2 v_arrayElimCell_791 (bvadd (bvneg (select (select .cse1 |v_ULTIMATE.start_main_~list~0#1.base_116|) |v_ULTIMATE.start_main_~list~0#1.offset_116|)) .cse0))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32))))))) is different from false [2021-11-21 00:13:45,656 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_210 (_ BitVec 32)) (v_DerPreprocessor_211 (_ BitVec 32)) (v_DerPreprocessor_212 (_ BitVec 32)) (v_DerPreprocessor_213 (_ BitVec 32)) (|ULTIMATE.start_main_~x~0#1| (_ BitVec 32)) (v_arrayElimCell_791 (_ BitVec 32)) (v_arrayElimCell_790 (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_57| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_61| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.offset_56| (_ BitVec 32)) (|v_ULTIMATE.start_main_~n~0#1.base_60| (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1_74| (_ BitVec 32)) (|v_ULTIMATE.start_main_~list~0#1.base_116| (_ BitVec 32)) (|ULTIMATE.start_main_~list~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_208 (_ BitVec 32)) (v_DerPreprocessor_209 (_ BitVec 32)) (|v_ULTIMATE.start_main_~list~0#1.offset_116| (_ BitVec 32))) (let ((.cse0 (let ((.cse4 (bvadd (_ bv8 32) |ULTIMATE.start_main_~list~0#1.offset|))) (let ((.cse3 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_61| (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_main_~n~0#1.base_61|) |v_ULTIMATE.start_main_~n~0#1.offset_57| |ULTIMATE.start_main_~x~0#1|) (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_57|) v_DerPreprocessor_213) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_57|) v_DerPreprocessor_212)))) (store .cse6 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse6 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 v_DerPreprocessor_211))))) (store .cse5 |v_ULTIMATE.start_main_~n~0#1.base_60| (store (store (store (select .cse5 |v_ULTIMATE.start_main_~n~0#1.base_60|) |v_ULTIMATE.start_main_~n~0#1.offset_56| |v_ULTIMATE.start_main_~x~0#1_74|) (bvadd (_ bv4 32) |v_ULTIMATE.start_main_~n~0#1.offset_56|) v_DerPreprocessor_210) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1.offset_56|) v_DerPreprocessor_209))))) (store .cse3 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) .cse4 v_DerPreprocessor_208)))))) (let ((.cse1 (select .cse0 v_arrayElimCell_790))) (let ((.cse2 (select .cse1 v_arrayElimCell_791))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_61|)))))) (bvslt (select (select (store .cse0 v_arrayElimCell_790 (store .cse1 v_arrayElimCell_791 (bvadd (bvneg (select (select .cse0 |v_ULTIMATE.start_main_~list~0#1.base_116|) |v_ULTIMATE.start_main_~list~0#1.offset_116|)) .cse2))) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv110 32)) (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start_main_~n~0#1.base_61| (_ bv1 1)) |v_ULTIMATE.start_main_~n~0#1.base_60|))))) (bvsle .cse2 (_ bv100 32))))))) is different from false