./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V --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 c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:36:47,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:36:47,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:36:47,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:36:47,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:36:47,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:36:47,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:36:47,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:36:48,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:36:48,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:36:48,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:36:48,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:36:48,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:36:48,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:36:48,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:36:48,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:36:48,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:36:48,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:36:48,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:36:48,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:36:48,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:36:48,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:36:48,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:36:48,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:36:48,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:36:48,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:36:48,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:36:48,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:36:48,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:36:48,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:36:48,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:36:48,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:36:48,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:36:48,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:36:48,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:36:48,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:36:48,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:36:48,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:36:48,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:36:48,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:36:48,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:36:48,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:36:48,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:36:48,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:36:48,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:36:48,143 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:36:48,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:36:48,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:36:48,144 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:36:48,145 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:36:48,145 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:36:48,145 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:36:48,147 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:36:48,147 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:36:48,147 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:36:48,148 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:36:48,148 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:36:48,148 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:36:48,148 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:36:48,149 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:36:48,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:36:48,151 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:36:48,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:36:48,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:36:48,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:36:48,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:36:48,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:36:48,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:36:48,154 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:36:48,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:36:48,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:36:48,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:36:48,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:36:48,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:36:48,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:36:48,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:36:48,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:36:48,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:36:48,158 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:36:48,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:36:48,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:36:48,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:36:48,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:36:48,159 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_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 [2021-11-23 03:36:48,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:36:48,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:36:48,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:36:48,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:36:48,579 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:36:48,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2021-11-23 03:36:48,661 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/data/6607526a9/50ebd6923faf483f9a08775e34f641c8/FLAG4d94ccbd5 [2021-11-23 03:36:49,371 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:36:49,372 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2021-11-23 03:36:49,396 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/data/6607526a9/50ebd6923faf483f9a08775e34f641c8/FLAG4d94ccbd5 [2021-11-23 03:36:49,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/data/6607526a9/50ebd6923faf483f9a08775e34f641c8 [2021-11-23 03:36:49,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:36:49,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:36:49,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:36:49,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:36:49,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:36:49,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:49" (1/1) ... [2021-11-23 03:36:49,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61de4dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:49, skipping insertion in model container [2021-11-23 03:36:49,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:49" (1/1) ... [2021-11-23 03:36:49,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:36:49,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:36:50,230 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_c8ced9c7-419a-449e-b003-98427730a674/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2021-11-23 03:36:50,395 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_c8ced9c7-419a-449e-b003-98427730a674/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2021-11-23 03:36:50,396 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_c8ced9c7-419a-449e-b003-98427730a674/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2021-11-23 03:36:50,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:36:50,416 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:36:50,477 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_c8ced9c7-419a-449e-b003-98427730a674/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2021-11-23 03:36:50,579 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_c8ced9c7-419a-449e-b003-98427730a674/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2021-11-23 03:36:50,587 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_c8ced9c7-419a-449e-b003-98427730a674/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2021-11-23 03:36:50,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:36:50,649 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:36:50,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:50 WrapperNode [2021-11-23 03:36:50,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:36:50,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:36:50,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:36:50,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:36:50,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:50" (1/1) ... [2021-11-23 03:36:50,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:50" (1/1) ... [2021-11-23 03:36:50,796 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 996 [2021-11-23 03:36:50,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:36:50,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:36:50,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:36:50,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:36:50,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:50" (1/1) ... [2021-11-23 03:36:50,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:50" (1/1) ... [2021-11-23 03:36:50,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:50" (1/1) ... [2021-11-23 03:36:50,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:50" (1/1) ... [2021-11-23 03:36:50,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:50" (1/1) ... [2021-11-23 03:36:50,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:50" (1/1) ... [2021-11-23 03:36:50,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:50" (1/1) ... [2021-11-23 03:36:50,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:36:50,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:36:50,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:36:50,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:36:50,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:50" (1/1) ... [2021-11-23 03:36:50,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:36:50,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:36:50,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:36:51,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:36:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:36:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:36:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:36:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:36:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:36:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:36:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:36:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:36:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:36:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:36:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:36:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:36:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:36:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:36:51,447 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:36:51,449 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:36:52,750 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:36:53,249 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:36:53,249 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-23 03:36:53,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:53 BoogieIcfgContainer [2021-11-23 03:36:53,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:36:53,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:36:53,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:36:53,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:36:53,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:36:49" (1/3) ... [2021-11-23 03:36:53,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c2c7375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:36:53, skipping insertion in model container [2021-11-23 03:36:53,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:50" (2/3) ... [2021-11-23 03:36:53,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c2c7375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:36:53, skipping insertion in model container [2021-11-23 03:36:53,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:53" (3/3) ... [2021-11-23 03:36:53,267 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-1.i [2021-11-23 03:36:53,278 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:36:53,278 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 03:36:53,340 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:36:53,349 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 [2021-11-23 03:36:53,350 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 03:36:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-23 03:36:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 03:36:53,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:53,380 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:53,381 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:36:53,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:53,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1906206326, now seen corresponding path program 1 times [2021-11-23 03:36:53,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:53,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501715489] [2021-11-23 03:36:53,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:53,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:53,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:53,587 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:53,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501715489] [2021-11-23 03:36:53,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501715489] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:53,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:53,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:36:53,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668321453] [2021-11-23 03:36:53,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:53,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:36:53,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:53,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:36:53,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:36:53,635 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2021-11-23 03:36:54,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:54,368 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2021-11-23 03:36:54,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:36:54,381 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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 [2021-11-23 03:36:54,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:54,393 INFO L225 Difference]: With dead ends: 215 [2021-11-23 03:36:54,393 INFO L226 Difference]: Without dead ends: 107 [2021-11-23 03:36:54,397 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 [2021-11-23 03:36:54,402 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:54,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-23 03:36:54,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-23 03:36:54,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-23 03:36:54,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-23 03:36:54,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2021-11-23 03:36:54,460 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2021-11-23 03:36:54,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:54,460 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2021-11-23 03:36:54,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2021-11-23 03:36:54,461 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2021-11-23 03:36:54,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 03:36:54,462 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:54,462 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:54,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:36:54,463 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:36:54,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:54,464 INFO L85 PathProgramCache]: Analyzing trace with hash 30908713, now seen corresponding path program 1 times [2021-11-23 03:36:54,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:54,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891550369] [2021-11-23 03:36:54,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:54,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:54,575 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:54,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891550369] [2021-11-23 03:36:54,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891550369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:54,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:54,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:36:54,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86671174] [2021-11-23 03:36:54,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:54,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:36:54,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:54,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:36:54,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:36:54,581 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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) [2021-11-23 03:36:56,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:56,972 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2021-11-23 03:36:56,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:36:56,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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) Word has length 9 [2021-11-23 03:36:56,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:56,983 INFO L225 Difference]: With dead ends: 219 [2021-11-23 03:36:56,984 INFO L226 Difference]: Without dead ends: 165 [2021-11-23 03:36:56,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:36:56,987 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:56,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 285 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 03:36:56,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-23 03:36:57,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2021-11-23 03:36:57,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-23 03:36:57,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2021-11-23 03:36:57,007 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2021-11-23 03:36:57,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:57,007 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2021-11-23 03:36:57,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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) [2021-11-23 03:36:57,008 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2021-11-23 03:36:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 03:36:57,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:57,010 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:57,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:36:57,011 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:36:57,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:57,012 INFO L85 PathProgramCache]: Analyzing trace with hash -667749530, now seen corresponding path program 1 times [2021-11-23 03:36:57,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:57,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440181435] [2021-11-23 03:36:57,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:57,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:57,040 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:36:57,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458018794] [2021-11-23 03:36:57,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:57,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:36:57,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:36:57,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:36:57,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:36:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:57,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:36:57,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:36:57,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:57,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:36:57,560 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:57,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440181435] [2021-11-23 03:36:57,561 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:36:57,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458018794] [2021-11-23 03:36:57,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458018794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:57,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:57,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:36:57,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017479214] [2021-11-23 03:36:57,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:57,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:36:57,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:57,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:36:57,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:57,565 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:58,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:58,774 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2021-11-23 03:36:58,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:36:58,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-23 03:36:58,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:58,782 INFO L225 Difference]: With dead ends: 265 [2021-11-23 03:36:58,783 INFO L226 Difference]: Without dead ends: 159 [2021-11-23 03:36:58,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:58,786 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:58,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 208 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 03:36:58,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-23 03:36:58,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2021-11-23 03:36:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-23 03:36:58,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2021-11-23 03:36:58,806 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2021-11-23 03:36:58,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:58,807 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2021-11-23 03:36:58,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:58,807 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2021-11-23 03:36:58,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 03:36:58,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:58,810 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:58,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 03:36:59,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:36:59,035 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:36:59,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:59,036 INFO L85 PathProgramCache]: Analyzing trace with hash -357184176, now seen corresponding path program 1 times [2021-11-23 03:36:59,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:59,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752340471] [2021-11-23 03:36:59,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:59,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:59,074 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:36:59,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1925127909] [2021-11-23 03:36:59,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:59,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:36:59,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:36:59,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:36:59,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:36:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:59,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:36:59,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:36:59,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 03:36:59,611 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 15 treesize of output 7 [2021-11-23 03:36:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 03:36:59,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:36:59,631 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:59,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752340471] [2021-11-23 03:36:59,631 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:36:59,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925127909] [2021-11-23 03:36:59,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925127909] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:59,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:59,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:36:59,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282919578] [2021-11-23 03:36:59,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:59,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:36:59,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:59,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:36:59,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:36:59,637 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:37:01,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:37:03,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:37:03,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:03,978 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2021-11-23 03:37:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:37:03,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2021-11-23 03:37:03,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:03,992 INFO L225 Difference]: With dead ends: 201 [2021-11-23 03:37:03,992 INFO L226 Difference]: Without dead ends: 197 [2021-11-23 03:37:03,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:37:03,996 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 58 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:03,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 283 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-23 03:37:03,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-11-23 03:37:04,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2021-11-23 03:37:04,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-23 03:37:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2021-11-23 03:37:04,034 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2021-11-23 03:37:04,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:37:04,036 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2021-11-23 03:37:04,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:37:04,037 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2021-11-23 03:37:04,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 03:37:04,040 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:04,040 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:37:04,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-23 03:37:04,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:04,251 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:37:04,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:04,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1806423702, now seen corresponding path program 1 times [2021-11-23 03:37:04,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:04,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93857659] [2021-11-23 03:37:04,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:04,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:04,275 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:37:04,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [930447400] [2021-11-23 03:37:04,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:04,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:04,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:37:04,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:37:04,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:37:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:04,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:37:04,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:37:04,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:37:04,784 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:37:04,784 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:04,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93857659] [2021-11-23 03:37:04,785 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:37:04,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930447400] [2021-11-23 03:37:04,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930447400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:04,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:04,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:37:04,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474423934] [2021-11-23 03:37:04,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:04,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:37:04,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:04,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:37:04,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:37:04,789 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:37:05,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:05,629 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2021-11-23 03:37:05,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:37:05,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-23 03:37:05,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:05,642 INFO L225 Difference]: With dead ends: 344 [2021-11-23 03:37:05,642 INFO L226 Difference]: Without dead ends: 206 [2021-11-23 03:37:05,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:37:05,644 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 227 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:05,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 175 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 03:37:05,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-11-23 03:37:05,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2021-11-23 03:37:05,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-23 03:37:05,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2021-11-23 03:37:05,665 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2021-11-23 03:37:05,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:37:05,665 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2021-11-23 03:37:05,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:37:05,666 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2021-11-23 03:37:05,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 03:37:05,669 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:05,670 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:37:05,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:37:05,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:05,899 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:37:05,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:05,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1808435595, now seen corresponding path program 1 times [2021-11-23 03:37:05,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:05,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356640203] [2021-11-23 03:37:05,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:05,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:05,919 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:37:05,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246629331] [2021-11-23 03:37:05,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:05,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:05,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:37:05,921 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:37:05,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 03:37:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:07,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:37:07,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:37:07,597 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 03:37:07,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:37:07,598 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:07,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356640203] [2021-11-23 03:37:07,598 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:37:07,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246629331] [2021-11-23 03:37:07,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246629331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:07,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:07,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:37:07,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959841544] [2021-11-23 03:37:07,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:07,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:37:07,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:07,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:37:07,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:37:07,602 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:37:10,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:37:10,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:10,661 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2021-11-23 03:37:10,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:37:10,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-23 03:37:10,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:10,684 INFO L225 Difference]: With dead ends: 381 [2021-11-23 03:37:10,684 INFO L226 Difference]: Without dead ends: 201 [2021-11-23 03:37:10,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:37:10,687 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:10,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 317 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-23 03:37:10,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-23 03:37:10,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2021-11-23 03:37:10,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-23 03:37:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2021-11-23 03:37:10,708 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2021-11-23 03:37:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:37:10,709 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2021-11-23 03:37:10,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:37:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2021-11-23 03:37:10,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 03:37:10,714 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:10,714 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:37:10,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-23 03:37:10,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:10,931 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:37:10,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:10,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1272133155, now seen corresponding path program 1 times [2021-11-23 03:37:10,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:10,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011584737] [2021-11-23 03:37:10,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:10,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:10,955 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:37:10,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1774903645] [2021-11-23 03:37:10,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:10,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:10,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:37:10,963 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:37:10,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ced9c7-419a-449e-b003-98427730a674/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 03:37:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:12,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 03:37:12,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:37:12,981 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:37:12,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:37:13,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:37:13,252 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:13,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011584737] [2021-11-23 03:37:13,252 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:37:13,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774903645] [2021-11-23 03:37:13,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774903645] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:37:13,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [309332591] [2021-11-23 03:37:13,280 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-23 03:37:13,280 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:37:13,286 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:37:13,293 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:37:13,293 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:37:13,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:37:13,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:13,491 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 03:37:13,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-23 03:37:13,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:13,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 03:37:13,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:13,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 03:37:13,544 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 15 treesize of output 1 [2021-11-23 03:37:13,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:13,667 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:37:13,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-23 03:37:13,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:13,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:13,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:13,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:13,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2021-11-23 03:37:13,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:13,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-23 03:37:13,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:13,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-23 03:37:13,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:13,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-23 03:37:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:37:14,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 77 [2021-11-23 03:37:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-23 03:37:14,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:37:14,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:37:14,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:37:14,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 98 [2021-11-23 03:37:14,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-23 03:37:14,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 03:37:14,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-23 03:37:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,774 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 03:37:14,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 127 treesize of output 138 [2021-11-23 03:37:14,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,915 INFO L354 Elim1Store]: treesize reduction 200, result has 11.5 percent of original size [2021-11-23 03:37:14,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 126 treesize of output 132 [2021-11-23 03:37:14,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:14,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-23 03:37:15,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 03:37:15,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:37:15,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:37:15,205 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 03:37:15,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-23 03:37:15,241 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-23 03:37:15,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-23 03:37:15,269 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 03:37:15,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-23 03:37:15,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 03:37:15,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:37:15,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:37:15,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 03:37:15,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 03:37:15,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:37:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:37:15,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 03:37:15,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:15,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 03:37:23,141 WARN L227 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:37:23,141 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:37:23,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2851 treesize of output 2328 [2021-11-23 03:37:23,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:35,011 WARN L227 SmtUtils]: Spent 11.81s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:37:35,012 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:37:35,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2952 treesize of output 2670 [2021-11-23 03:37:50,585 WARN L227 SmtUtils]: Spent 15.38s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:37:50,586 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 03:37:50,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2856 treesize of output 2686 [2021-11-23 03:37:51,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:51,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:52,158 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 03:37:52,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 25954 treesize of output 25968 [2021-11-23 03:37:52,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:52,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:53,072 INFO L354 Elim1Store]: treesize reduction 172, result has 15.3 percent of original size [2021-11-23 03:37:53,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25953 treesize of output 25968 [2021-11-23 03:37:53,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:54,176 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 03:37:54,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-23 03:37:54,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:54,533 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:37:54,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-23 03:37:54,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:55,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:55,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:55,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:55,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:55,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:55,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:55,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:55,206 INFO L244 Elim1Store]: Index analysis took 191 ms [2021-11-23 03:37:55,314 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:37:55,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3084 treesize of output 2866 [2021-11-23 03:37:55,629 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:55,709 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:55,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:55,972 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,144 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,207 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,556 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:56,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:56,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:56,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:56,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:56,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:56,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:56,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:56,862 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-11-23 03:37:56,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3096 treesize of output 2648 [2021-11-23 03:37:57,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:57,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:57,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:57,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:57,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:57,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:57,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:57,363 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-23 03:37:57,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3096 treesize of output 2648 [2021-11-23 03:37:57,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:57,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:57,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:57,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:57,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:57,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:57,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:57,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:57,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:57,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:57,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:57,903 INFO L244 Elim1Store]: Index analysis took 190 ms [2021-11-23 03:37:57,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3105 treesize of output 2651 [2021-11-23 03:37:58,407 INFO L244 Elim1Store]: Index analysis took 265 ms [2021-11-23 03:38:01,439 INFO L354 Elim1Store]: treesize reduction 491, result has 73.5 percent of original size [2021-11-23 03:38:01,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 3105 treesize of output 4012 [2021-11-23 03:38:04,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:04,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:38:04,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:38:04,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:04,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:04,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:04,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:04,393 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-11-23 03:38:04,770 INFO L354 Elim1Store]: treesize reduction 6, result has 91.3 percent of original size [2021-11-23 03:38:04,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 3096 treesize of output 2710 [2021-11-23 03:38:05,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:06,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:06,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:38:06,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:06,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:07,055 INFO L354 Elim1Store]: treesize reduction 430, result has 62.7 percent of original size [2021-11-23 03:38:07,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3084 treesize of output 3370 [2021-11-23 03:38:07,485 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:07,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:38:07,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:07,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:07,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:07,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3075 treesize of output 2645 [2021-11-23 03:38:07,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:07,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:08,122 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:08,215 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:09,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:09,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:09,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-23 03:38:10,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,308 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-23 03:38:10,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-23 03:38:10,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-23 03:38:10,488 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:12,517 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:13,589 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:13,701 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:13,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:14,223 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:14,434 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:14,518 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:16,276 INFO L190 IndexEqualityManager]: detected not equals via solver