./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08dbe1d8baf218c90d79c7aa96b8d857526ff0e474f0acb076b8cd9ca4d11ff2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:52:49,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:52:49,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:52:49,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:52:49,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:52:49,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:52:49,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:52:49,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:52:49,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:52:49,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:52:49,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:52:49,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:52:49,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:52:49,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:52:49,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:52:49,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:52:49,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:52:49,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:52:49,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:52:49,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:52:49,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:52:49,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:52:50,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:52:50,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:52:50,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:52:50,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:52:50,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:52:50,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:52:50,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:52:50,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:52:50,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:52:50,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:52:50,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:52:50,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:52:50,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:52:50,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:52:50,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:52:50,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:52:50,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:52:50,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:52:50,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:52:50,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:52:50,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:52:50,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:52:50,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:52:50,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:52:50,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:52:50,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:52:50,104 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:52:50,105 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:52:50,105 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:52:50,105 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:52:50,106 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:52:50,107 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:52:50,107 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:52:50,107 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:52:50,108 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:52:50,108 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:52:50,108 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:52:50,109 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:52:50,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:52:50,111 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:52:50,111 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:52:50,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:52:50,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:52:50,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:52:50,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:52:50,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:52:50,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:52:50,115 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:52:50,115 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:52:50,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:52:50,115 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:52:50,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:52:50,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:52:50,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:52:50,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:52:50,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:52:50,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:52:50,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:52:50,118 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:52:50,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:52:50,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:52:50,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:52:50,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:52:50,119 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_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08dbe1d8baf218c90d79c7aa96b8d857526ff0e474f0acb076b8cd9ca4d11ff2 [2021-11-21 00:52:50,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:52:50,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:52:50,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:52:50,509 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:52:50,510 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:52:50,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i [2021-11-21 00:52:50,591 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/data/69902c4c3/4660faf5ec984ddcadd5cca664445c45/FLAG39257fab2 [2021-11-21 00:52:51,300 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:52:51,300 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i [2021-11-21 00:52:51,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/data/69902c4c3/4660faf5ec984ddcadd5cca664445c45/FLAG39257fab2 [2021-11-21 00:52:51,460 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/data/69902c4c3/4660faf5ec984ddcadd5cca664445c45 [2021-11-21 00:52:51,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:52:51,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:52:51,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:52:51,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:52:51,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:52:51,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:52:51" (1/1) ... [2021-11-21 00:52:51,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4236defb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:51, skipping insertion in model container [2021-11-21 00:52:51,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:52:51" (1/1) ... [2021-11-21 00:52:51,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:52:51,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:52:52,096 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_eb246641-74ab-40c3-b6f1-dc81e819f1c7/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i[33021,33034] [2021-11-21 00:52:52,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:52:52,358 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:52:52,404 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_eb246641-74ab-40c3-b6f1-dc81e819f1c7/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i[33021,33034] [2021-11-21 00:52:52,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:52:52,564 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:52:52,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:52 WrapperNode [2021-11-21 00:52:52,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:52:52,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:52:52,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:52:52,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:52:52,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:52" (1/1) ... [2021-11-21 00:52:52,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:52" (1/1) ... [2021-11-21 00:52:52,755 INFO L137 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1159 [2021-11-21 00:52:52,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:52:52,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:52:52,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:52:52,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:52:52,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:52" (1/1) ... [2021-11-21 00:52:52,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:52" (1/1) ... [2021-11-21 00:52:52,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:52" (1/1) ... [2021-11-21 00:52:52,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:52" (1/1) ... [2021-11-21 00:52:52,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:52" (1/1) ... [2021-11-21 00:52:52,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:52" (1/1) ... [2021-11-21 00:52:52,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:52" (1/1) ... [2021-11-21 00:52:52,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:52:52,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:52:52,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:52:52,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:52:52,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:52" (1/1) ... [2021-11-21 00:52:52,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:52:52,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:52:52,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:52:53,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:52:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:52:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:52:53,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:52:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:52:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:52:53,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:52:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:52:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:52:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:52:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:52:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:52:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:52:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:52:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:52:53,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:52:53,291 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:52:53,304 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:52:54,606 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:52:55,210 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:52:55,211 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-21 00:52:55,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:52:55 BoogieIcfgContainer [2021-11-21 00:52:55,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:52:55,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:52:55,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:52:55,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:52:55,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:52:51" (1/3) ... [2021-11-21 00:52:55,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f531d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:52:55, skipping insertion in model container [2021-11-21 00:52:55,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:52" (2/3) ... [2021-11-21 00:52:55,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f531d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:52:55, skipping insertion in model container [2021-11-21 00:52:55,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:52:55" (3/3) ... [2021-11-21 00:52:55,237 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test4-1.i [2021-11-21 00:52:55,244 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:52:55,245 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 00:52:55,308 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:52:55,317 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:52:55,317 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 00:52:55,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:52:55,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 00:52:55,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:52:55,357 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 00:52:55,358 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:52:55,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:52:55,369 INFO L85 PathProgramCache]: Analyzing trace with hash 894004, now seen corresponding path program 1 times [2021-11-21 00:52:55,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:52:55,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272244438] [2021-11-21 00:52:55,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:55,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:52:55,509 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:52:55,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [645579295] [2021-11-21 00:52:55,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:55,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:52:55,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:52:55,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:52:55,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:52:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:52:55,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:52:55,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:52:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:52:55,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:52:55,781 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:52:55,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272244438] [2021-11-21 00:52:55,781 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:52:55,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645579295] [2021-11-21 00:52:55,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645579295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:52:55,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:52:55,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 00:52:55,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937499251] [2021-11-21 00:52:55,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:52:55,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:52:55,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:52:55,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:52:55,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:52:55,822 INFO L87 Difference]: Start difference. First operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:52:57,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:52:57,440 INFO L93 Difference]: Finished difference Result 368 states and 640 transitions. [2021-11-21 00:52:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:52:57,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-21 00:52:57,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:52:57,462 INFO L225 Difference]: With dead ends: 368 [2021-11-21 00:52:57,463 INFO L226 Difference]: Without dead ends: 233 [2021-11-21 00:52:57,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:52:57,471 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 102 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:52:57,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 308 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 00:52:57,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-21 00:52:57,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 135. [2021-11-21 00:52:57,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 112 states have (on average 1.2410714285714286) internal successors, (139), 126 states have internal predecessors, (139), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:52:57,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2021-11-21 00:52:57,534 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 3 [2021-11-21 00:52:57,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:52:57,535 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2021-11-21 00:52:57,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:52:57,536 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2021-11-21 00:52:57,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 00:52:57,539 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:52:57,539 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:52:57,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 00:52:57,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 00:52:57,755 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:52:57,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:52:57,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1485228930, now seen corresponding path program 1 times [2021-11-21 00:52:57,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:52:57,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541951181] [2021-11-21 00:52:57,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:57,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:52:57,789 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:52:57,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2104604905] [2021-11-21 00:52:57,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:57,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:52:57,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:52:57,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:52:57,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:52:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:52:58,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:52:58,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:52:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:52:58,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:52:58,425 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:52:58,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541951181] [2021-11-21 00:52:58,426 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:52:58,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104604905] [2021-11-21 00:52:58,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104604905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:52:58,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:52:58,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:52:58,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089946783] [2021-11-21 00:52:58,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:52:58,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:52:58,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:52:58,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:52:58,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:52:58,434 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:53:01,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:53:04,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:53:04,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:04,095 INFO L93 Difference]: Finished difference Result 233 states and 285 transitions. [2021-11-21 00:53:04,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:53:04,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-11-21 00:53:04,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:04,122 INFO L225 Difference]: With dead ends: 233 [2021-11-21 00:53:04,122 INFO L226 Difference]: Without dead ends: 232 [2021-11-21 00:53:04,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:53:04,124 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 59 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:04,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 447 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2021-11-21 00:53:04,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-21 00:53:04,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2021-11-21 00:53:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 201 states have (on average 1.1840796019900497) internal successors, (238), 215 states have internal predecessors, (238), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:53:04,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2021-11-21 00:53:04,156 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 282 transitions. Word has length 48 [2021-11-21 00:53:04,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:04,157 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 282 transitions. [2021-11-21 00:53:04,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:53:04,157 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 282 transitions. [2021-11-21 00:53:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 00:53:04,160 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:04,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:04,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:53:04,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:04,387 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:53:04,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:04,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1202544191, now seen corresponding path program 1 times [2021-11-21 00:53:04,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:04,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061711835] [2021-11-21 00:53:04,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:04,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:04,420 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:53:04,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1029131350] [2021-11-21 00:53:04,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:04,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:04,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:53:04,436 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:53:04,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:53:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:04,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:53:04,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:53:04,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:53:04,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:53:04,970 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:04,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061711835] [2021-11-21 00:53:04,972 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:53:04,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029131350] [2021-11-21 00:53:04,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029131350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:04,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:04,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:53:04,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366756455] [2021-11-21 00:53:04,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:04,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:53:04,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:04,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:53:04,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:53:04,979 INFO L87 Difference]: Start difference. First operand 230 states and 282 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:53:07,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:07,124 INFO L93 Difference]: Finished difference Result 230 states and 282 transitions. [2021-11-21 00:53:07,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:53:07,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-21 00:53:07,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:07,139 INFO L225 Difference]: With dead ends: 230 [2021-11-21 00:53:07,140 INFO L226 Difference]: Without dead ends: 229 [2021-11-21 00:53:07,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:53:07,142 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 86 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:07,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 304 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 00:53:07,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-11-21 00:53:07,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2021-11-21 00:53:07,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 201 states have (on average 1.1791044776119404) internal successors, (237), 214 states have internal predecessors, (237), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:53:07,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 281 transitions. [2021-11-21 00:53:07,207 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 281 transitions. Word has length 49 [2021-11-21 00:53:07,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:07,208 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 281 transitions. [2021-11-21 00:53:07,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:53:07,208 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 281 transitions. [2021-11-21 00:53:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 00:53:07,211 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:07,211 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:07,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-21 00:53:07,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:07,413 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:53:07,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:07,413 INFO L85 PathProgramCache]: Analyzing trace with hash 298795953, now seen corresponding path program 1 times [2021-11-21 00:53:07,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:07,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076436279] [2021-11-21 00:53:07,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:07,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:07,470 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:53:07,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1067889944] [2021-11-21 00:53:07,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:07,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:07,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:53:07,478 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:53:07,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:53:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:07,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:53:07,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:53:08,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:53:08,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:53:08,105 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:08,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076436279] [2021-11-21 00:53:08,106 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:53:08,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067889944] [2021-11-21 00:53:08,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067889944] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:08,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:08,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:53:08,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121319002] [2021-11-21 00:53:08,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:08,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:53:08,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:08,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:53:08,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:53:08,116 INFO L87 Difference]: Start difference. First operand 229 states and 281 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:53:10,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:10,884 INFO L93 Difference]: Finished difference Result 384 states and 476 transitions. [2021-11-21 00:53:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:53:10,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-21 00:53:10,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:10,896 INFO L225 Difference]: With dead ends: 384 [2021-11-21 00:53:10,896 INFO L226 Difference]: Without dead ends: 227 [2021-11-21 00:53:10,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:53:10,899 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 38 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:10,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 289 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 00:53:10,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-21 00:53:10,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-21 00:53:10,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 199 states have (on average 1.1758793969849246) internal successors, (234), 212 states have internal predecessors, (234), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:53:10,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 278 transitions. [2021-11-21 00:53:10,923 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 278 transitions. Word has length 51 [2021-11-21 00:53:10,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:10,924 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 278 transitions. [2021-11-21 00:53:10,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:53:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 278 transitions. [2021-11-21 00:53:10,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 00:53:10,928 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:10,928 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] [2021-11-21 00:53:10,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 00:53:11,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:11,155 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:53:11,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:11,156 INFO L85 PathProgramCache]: Analyzing trace with hash 122534312, now seen corresponding path program 1 times [2021-11-21 00:53:11,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:11,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677289537] [2021-11-21 00:53:11,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:11,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:11,196 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:53:11,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [584810502] [2021-11-21 00:53:11,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:11,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:11,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:53:11,210 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:53:11,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 00:53:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:11,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:53:11,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:53:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:53:11,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:53:11,788 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:11,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677289537] [2021-11-21 00:53:11,788 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:53:11,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584810502] [2021-11-21 00:53:11,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584810502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:11,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:11,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:53:11,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456308581] [2021-11-21 00:53:11,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:11,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:53:11,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:11,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:53:11,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:53:11,791 INFO L87 Difference]: Start difference. First operand 227 states and 278 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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) [2021-11-21 00:53:13,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:13,187 INFO L93 Difference]: Finished difference Result 426 states and 524 transitions. [2021-11-21 00:53:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:53:13,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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 64 [2021-11-21 00:53:13,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:13,195 INFO L225 Difference]: With dead ends: 426 [2021-11-21 00:53:13,195 INFO L226 Difference]: Without dead ends: 225 [2021-11-21 00:53:13,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:53:13,201 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 11 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:13,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 286 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 00:53:13,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-11-21 00:53:13,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-11-21 00:53:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 210 states have internal predecessors, (231), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:53:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 275 transitions. [2021-11-21 00:53:13,227 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 275 transitions. Word has length 64 [2021-11-21 00:53:13,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:13,227 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 275 transitions. [2021-11-21 00:53:13,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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) [2021-11-21 00:53:13,228 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 275 transitions. [2021-11-21 00:53:13,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 00:53:13,231 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:13,232 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:13,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 00:53:13,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:13,447 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:53:13,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:13,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1762473051, now seen corresponding path program 1 times [2021-11-21 00:53:13,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:13,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426626146] [2021-11-21 00:53:13,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:13,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:13,475 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:53:13,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612856838] [2021-11-21 00:53:13,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:13,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:13,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:53:13,481 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:53:13,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 00:53:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:16,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:53:16,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:53:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 00:53:17,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:53:17,200 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:17,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426626146] [2021-11-21 00:53:17,201 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:53:17,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612856838] [2021-11-21 00:53:17,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612856838] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:17,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:17,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:53:17,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729778375] [2021-11-21 00:53:17,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:17,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:53:17,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:17,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:53:17,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:53:17,205 INFO L87 Difference]: Start difference. First operand 225 states and 275 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 00:53:19,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:53:21,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:21,571 INFO L93 Difference]: Finished difference Result 432 states and 542 transitions. [2021-11-21 00:53:21,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:53:21,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-21 00:53:21,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:21,591 INFO L225 Difference]: With dead ends: 432 [2021-11-21 00:53:21,591 INFO L226 Difference]: Without dead ends: 227 [2021-11-21 00:53:21,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:53:21,593 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:21,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 434 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-21 00:53:21,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-21 00:53:21,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-21 00:53:21,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 198 states have (on average 1.1767676767676767) internal successors, (233), 212 states have internal predecessors, (233), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-21 00:53:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 281 transitions. [2021-11-21 00:53:21,632 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 281 transitions. Word has length 77 [2021-11-21 00:53:21,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:21,632 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 281 transitions. [2021-11-21 00:53:21,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 00:53:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 281 transitions. [2021-11-21 00:53:21,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 00:53:21,641 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:21,641 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:21,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 00:53:21,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-21 00:53:21,847 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:53:21,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:21,848 INFO L85 PathProgramCache]: Analyzing trace with hash -211946721, now seen corresponding path program 1 times [2021-11-21 00:53:21,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:21,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807476469] [2021-11-21 00:53:21,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:21,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:21,871 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:53:21,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [200204448] [2021-11-21 00:53:21,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:21,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:21,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:53:21,873 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:53:21,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb246641-74ab-40c3-b6f1-dc81e819f1c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 00:53:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:23,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 00:53:23,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:53:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:53:23,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:53:24,061 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 00:53:24,061 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:24,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807476469] [2021-11-21 00:53:24,062 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:53:24,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200204448] [2021-11-21 00:53:24,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200204448] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:53:24,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [704671729] [2021-11-21 00:53:24,090 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-21 00:53:24,091 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:53:24,096 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:53:24,103 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:53:24,104 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:53:24,614 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:53:24,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 00:53:24,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:53:24,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:53:24,718 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:53:24,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-21 00:53:24,788 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:53:24,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:53:24,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 00:53:25,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 00:53:25,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:25,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:25,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 37 treesize of output 42 [2021-11-21 00:53:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:53:26,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:53:26,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:53:26,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:53:26,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:26,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:53:27,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:53:27,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 00:53:27,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,311 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:53:27,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:53:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 00:53:27,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,506 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 00:53:27,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 00:53:27,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,580 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 00:53:27,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 00:53:27,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:27,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:53:28,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:53:28,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:53:28,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 00:53:28,448 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:53:28,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 00:53:28,483 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 00:53:28,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 00:53:28,514 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:53:28,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 00:53:28,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:53:28,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:53:28,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:53:28,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:53:28,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:53:28,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:28,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:53:29,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:53:29,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:53:29,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:29,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:53:37,539 WARN L227 SmtUtils]: Spent 8.01s 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) [2021-11-21 00:53:37,540 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:53:37,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 00:53:37,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:48,239 WARN L227 SmtUtils]: Spent 10.63s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:53:48,240 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:53:48,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 00:53:59,857 WARN L227 SmtUtils]: Spent 11.48s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:53:59,859 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 00:53:59,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2842 treesize of output 2672 [2021-11-21 00:54:01,182 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 00:54:01,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25940 treesize of output 25951 [2021-11-21 00:54:02,336 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 00:54:02,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25939 treesize of output 25951 [2021-11-21 00:54:03,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:04,024 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 00:54:04,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 00:54:04,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:04,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:04,864 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:05,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:05,654 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 00:54:05,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-21 00:54:05,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:06,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:06,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:06,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,407 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-11-21 00:54:06,409 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 817 treesize of output 369 [2021-11-21 00:54:07,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:07,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:07,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:07,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:07,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:07,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:07,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:07,674 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-11-21 00:54:07,836 INFO L354 Elim1Store]: treesize reduction 23, result has 66.7 percent of original size [2021-11-21 00:54:07,836 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 817 treesize of output 415 [2021-11-21 00:54:08,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:08,499 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:08,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:08,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:08,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:08,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:08,822 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 796 treesize of output 366 [2021-11-21 00:54:09,549 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:09,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:09,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:09,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,940 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-21 00:54:09,942 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 817 treesize of output 369 [2021-11-21 00:54:10,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:11,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:11,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:11,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:11,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:11,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:11,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:11,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:11,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:11,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:11,203 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-11-21 00:54:11,205 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 815 treesize of output 365 [2021-11-21 00:54:11,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:11,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:11,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:11,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:11,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:11,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:11,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:11,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:11,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:12,032 INFO L244 Elim1Store]: Index analysis took 253 ms [2021-11-21 00:54:12,034 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 1711 treesize of output 1257 [2021-11-21 00:54:12,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,713 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-11-21 00:54:13,955 INFO L354 Elim1Store]: treesize reduction 947, result has 48.6 percent of original size [2021-11-21 00:54:13,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 826 treesize of output 1267 [2021-11-21 00:54:15,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:15,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:15,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,216 INFO L244 Elim1Store]: Index analysis took 131 ms [2021-11-21 00:54:15,336 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:54:15,337 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 749 treesize of output 559 [2021-11-21 00:54:16,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:16,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:16,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:16,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:16,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:16,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:16,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:16,849 INFO L244 Elim1Store]: Index analysis took 207 ms [2021-11-21 00:54:17,063 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:54:17,064 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 805 treesize of output 587 [2021-11-21 00:54:17,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:17,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:17,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:17,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:17,831 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 728 treesize of output 366 [2021-11-21 00:54:18,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:18,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:18,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:18,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:18,546 INFO L354 Elim1Store]: treesize reduction 1152, result has 0.1 percent of original size [2021-11-21 00:54:18,546 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 805 treesize of output 369 [2021-11-21 00:54:20,837 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 00:54:20,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1343 treesize of output 1351 [2021-11-21 00:54:21,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:21,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 00:54:21,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:21,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-21 00:54:22,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:23,124 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 00:54:23,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-21 00:54:23,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:23,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:23,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:23,836 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-21 00:54:30,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:30,603 INFO L190 IndexEqualityManager]: detected not equals via solver