./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur --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 b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:21:31,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:21:31,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:21:31,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:21:31,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:21:31,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:21:31,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:21:31,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:21:31,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:21:31,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:21:31,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:21:31,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:21:31,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:21:31,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:21:31,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:21:31,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:21:31,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:21:31,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:21:31,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:21:31,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:21:31,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:21:31,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:21:31,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:21:31,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:21:32,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:21:32,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:21:32,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:21:32,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:21:32,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:21:32,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:21:32,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:21:32,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:21:32,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:21:32,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:21:32,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:21:32,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:21:32,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:21:32,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:21:32,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:21:32,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:21:32,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:21:32,026 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 22:21:32,075 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:21:32,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:21:32,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:21:32,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:21:32,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:21:32,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:21:32,077 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:21:32,078 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:21:32,078 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:21:32,078 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:21:32,079 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:21:32,079 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:21:32,080 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:21:32,080 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:21:32,080 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:21:32,080 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:21:32,080 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:21:32,081 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:21:32,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:21:32,082 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:21:32,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:21:32,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:21:32,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:21:32,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:21:32,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:21:32,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:21:32,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:21:32,083 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:21:32,084 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:21:32,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:21:32,084 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:21:32,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:21:32,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:21:32,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:21:32,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:21:32,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:21:32,086 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:21:32,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:21:32,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:21:32,086 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:21:32,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:21:32,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:21:32,087 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:21:32,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 [2022-11-25 22:21:32,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:21:32,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:21:32,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:21:32,413 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:21:32,414 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:21:32,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2022-11-25 22:21:35,699 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:21:36,016 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:21:36,017 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2022-11-25 22:21:36,030 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/data/6d3e4e305/7db9dc68267b4520b121e2e1645951b5/FLAGcf7e5c32d [2022-11-25 22:21:36,063 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/data/6d3e4e305/7db9dc68267b4520b121e2e1645951b5 [2022-11-25 22:21:36,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:21:36,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:21:36,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:21:36,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:21:36,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:21:36,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:36" (1/1) ... [2022-11-25 22:21:36,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@efa0f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:36, skipping insertion in model container [2022-11-25 22:21:36,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:36" (1/1) ... [2022-11-25 22:21:36,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:21:36,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:21:36,681 WARN L237 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_f0908fe8-22f0-4d0c-978d-2b07524af0c2/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[33021,33034] [2022-11-25 22:21:36,861 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:21:36,879 WARN L237 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_f0908fe8-22f0-4d0c-978d-2b07524af0c2/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[45234,45247] [2022-11-25 22:21:36,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:21:36,906 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:21:36,963 WARN L237 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_f0908fe8-22f0-4d0c-978d-2b07524af0c2/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[33021,33034] [2022-11-25 22:21:37,022 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:21:37,030 WARN L237 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_f0908fe8-22f0-4d0c-978d-2b07524af0c2/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[45234,45247] [2022-11-25 22:21:37,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:21:37,096 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:21:37,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:37 WrapperNode [2022-11-25 22:21:37,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:21:37,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:21:37,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:21:37,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:21:37,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:37" (1/1) ... [2022-11-25 22:21:37,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:37" (1/1) ... [2022-11-25 22:21:37,203 INFO L138 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 998 [2022-11-25 22:21:37,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:21:37,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:21:37,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:21:37,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:21:37,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:37" (1/1) ... [2022-11-25 22:21:37,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:37" (1/1) ... [2022-11-25 22:21:37,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:37" (1/1) ... [2022-11-25 22:21:37,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:37" (1/1) ... [2022-11-25 22:21:37,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:37" (1/1) ... [2022-11-25 22:21:37,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:37" (1/1) ... [2022-11-25 22:21:37,333 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:37" (1/1) ... [2022-11-25 22:21:37,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:37" (1/1) ... [2022-11-25 22:21:37,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:21:37,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:21:37,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:21:37,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:21:37,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:37" (1/1) ... [2022-11-25 22:21:37,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:21:37,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:37,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:21:37,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:21:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:21:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:21:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:21:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:21:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:21:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:21:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2022-11-25 22:21:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2022-11-25 22:21:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:21:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:21:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:21:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:21:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 22:21:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:21:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:21:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:21:37,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:21:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:21:37,701 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:21:37,703 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:21:39,315 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:21:39,857 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:21:39,857 INFO L300 CfgBuilder]: Removed 62 assume(true) statements. [2022-11-25 22:21:39,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:21:39 BoogieIcfgContainer [2022-11-25 22:21:39,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:21:39,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:21:39,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:21:39,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:21:39,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:21:36" (1/3) ... [2022-11-25 22:21:39,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40305425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:21:39, skipping insertion in model container [2022-11-25 22:21:39,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:37" (2/3) ... [2022-11-25 22:21:39,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40305425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:21:39, skipping insertion in model container [2022-11-25 22:21:39,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:21:39" (3/3) ... [2022-11-25 22:21:39,873 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test8-1.i [2022-11-25 22:21:39,894 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:21:39,895 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-25 22:21:39,969 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:21:39,977 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59900b12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:21:39,977 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-25 22:21:39,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-25 22:21:39,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 22:21:39,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:39,990 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 22:21:39,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:21:39,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:39,998 INFO L85 PathProgramCache]: Analyzing trace with hash 28438595, now seen corresponding path program 1 times [2022-11-25 22:21:40,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:40,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792173971] [2022-11-25 22:21:40,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:40,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:40,158 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:21:40,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [412461684] [2022-11-25 22:21:40,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:40,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:40,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:40,166 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:40,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:21:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:40,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-25 22:21:40,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:40,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 22:21:40,472 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:21:40,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:21:40,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 22:21:40,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:21:40,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:21:40,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:40,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792173971] [2022-11-25 22:21:40,566 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:21:40,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412461684] [2022-11-25 22:21:40,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412461684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:40,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:40,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:21:40,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196710352] [2022-11-25 22:21:40,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:40,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:21:40,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:40,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:21:40,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:21:40,608 INFO L87 Difference]: Start difference. First operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-25 22:21:43,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:21:43,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:43,913 INFO L93 Difference]: Finished difference Result 368 states and 636 transitions. [2022-11-25 22:21:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:21:43,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-25 22:21:43,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:43,937 INFO L225 Difference]: With dead ends: 368 [2022-11-25 22:21:43,937 INFO L226 Difference]: Without dead ends: 208 [2022-11-25 22:21:43,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:21:43,951 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 57 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:43,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 499 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-25 22:21:43,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-25 22:21:44,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 160. [2022-11-25 22:21:44,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-25 22:21:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2022-11-25 22:21:44,035 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2022-11-25 22:21:44,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:44,036 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2022-11-25 22:21:44,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-25 22:21:44,036 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2022-11-25 22:21:44,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 22:21:44,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:44,044 INFO L195 NwaCegarLoop]: 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] [2022-11-25 22:21:44,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:21:44,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 22:21:44,246 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:21:44,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:44,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1795405831, now seen corresponding path program 1 times [2022-11-25 22:21:44,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:44,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103142869] [2022-11-25 22:21:44,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:44,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:21:44,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:44,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103142869] [2022-11-25 22:21:44,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103142869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:44,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:44,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:21:44,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508744936] [2022-11-25 22:21:44,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:44,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:21:44,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:44,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:21:44,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:21:44,711 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:21:46,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:46,900 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2022-11-25 22:21:46,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:21:46,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-25 22:21:46,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:46,904 INFO L225 Difference]: With dead ends: 297 [2022-11-25 22:21:46,904 INFO L226 Difference]: Without dead ends: 204 [2022-11-25 22:21:46,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:21:46,906 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 51 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:46,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 504 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 22:21:46,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-11-25 22:21:46,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2022-11-25 22:21:46,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-25 22:21:46,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2022-11-25 22:21:46,936 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2022-11-25 22:21:46,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:46,936 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2022-11-25 22:21:46,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:21:46,936 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2022-11-25 22:21:46,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 22:21:46,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:46,937 INFO L195 NwaCegarLoop]: 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] [2022-11-25 22:21:46,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:21:46,938 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:21:46,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:46,938 INFO L85 PathProgramCache]: Analyzing trace with hash 421381030, now seen corresponding path program 1 times [2022-11-25 22:21:46,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:46,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107469291] [2022-11-25 22:21:46,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:46,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:47,124 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:21:47,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975162935] [2022-11-25 22:21:47,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:47,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:47,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:47,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:47,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:21:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:47,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:21:47,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:21:48,009 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:21:48,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:48,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107469291] [2022-11-25 22:21:48,010 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:21:48,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975162935] [2022-11-25 22:21:48,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975162935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:48,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:48,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:21:48,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456629037] [2022-11-25 22:21:48,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:48,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:21:48,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:48,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:21:48,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:21:48,016 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:21:50,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:21:50,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:50,721 INFO L93 Difference]: Finished difference Result 160 states and 208 transitions. [2022-11-25 22:21:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:21:50,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-25 22:21:50,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:50,731 INFO L225 Difference]: With dead ends: 160 [2022-11-25 22:21:50,731 INFO L226 Difference]: Without dead ends: 159 [2022-11-25 22:21:50,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:21:50,733 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 192 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:50,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 288 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 22:21:50,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-25 22:21:50,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2022-11-25 22:21:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 129 states have (on average 1.2945736434108528) internal successors, (167), 150 states have internal predecessors, (167), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-25 22:21:50,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 207 transitions. [2022-11-25 22:21:50,747 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 207 transitions. Word has length 30 [2022-11-25 22:21:50,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:50,747 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 207 transitions. [2022-11-25 22:21:50,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:21:50,748 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 207 transitions. [2022-11-25 22:21:50,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 22:21:50,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:50,749 INFO L195 NwaCegarLoop]: 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] [2022-11-25 22:21:50,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:21:50,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:50,958 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:21:50,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:50,958 INFO L85 PathProgramCache]: Analyzing trace with hash 177910084, now seen corresponding path program 1 times [2022-11-25 22:21:50,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:50,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248997651] [2022-11-25 22:21:50,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:50,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:51,133 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:21:51,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [169669508] [2022-11-25 22:21:51,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:51,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:51,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:51,139 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:51,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:21:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:51,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:21:51,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:21:51,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:21:51,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:51,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248997651] [2022-11-25 22:21:51,982 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:21:51,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169669508] [2022-11-25 22:21:51,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169669508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:51,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:51,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:21:51,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525612305] [2022-11-25 22:21:51,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:51,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:21:51,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:51,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:21:51,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:21:51,985 INFO L87 Difference]: Start difference. First operand 159 states and 207 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:21:54,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:21:54,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:54,972 INFO L93 Difference]: Finished difference Result 245 states and 332 transitions. [2022-11-25 22:21:54,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:21:54,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-25 22:21:54,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:54,981 INFO L225 Difference]: With dead ends: 245 [2022-11-25 22:21:54,981 INFO L226 Difference]: Without dead ends: 244 [2022-11-25 22:21:54,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:21:54,982 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 69 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:54,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 543 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-25 22:21:54,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-11-25 22:21:54,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 213. [2022-11-25 22:21:55,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 178 states have (on average 1.247191011235955) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-25 22:21:55,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2022-11-25 22:21:55,002 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 31 [2022-11-25 22:21:55,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:55,003 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2022-11-25 22:21:55,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:21:55,003 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2022-11-25 22:21:55,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-25 22:21:55,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:55,005 INFO L195 NwaCegarLoop]: 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] [2022-11-25 22:21:55,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:21:55,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:55,214 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:21:55,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:55,215 INFO L85 PathProgramCache]: Analyzing trace with hash 152449389, now seen corresponding path program 1 times [2022-11-25 22:21:55,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:55,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578347039] [2022-11-25 22:21:55,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:55,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:55,418 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:21:55,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520372564] [2022-11-25 22:21:55,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:55,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:55,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:55,423 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:55,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:21:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:56,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:21:56,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:21:56,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:21:56,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:56,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578347039] [2022-11-25 22:21:56,401 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:21:56,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520372564] [2022-11-25 22:21:56,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520372564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:56,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:56,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:21:56,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531750208] [2022-11-25 22:21:56,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:56,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:21:56,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:56,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:21:56,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:21:56,408 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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) [2022-11-25 22:21:57,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:57,764 INFO L93 Difference]: Finished difference Result 434 states and 549 transitions. [2022-11-25 22:21:57,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:21:57,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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 39 [2022-11-25 22:21:57,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:57,767 INFO L225 Difference]: With dead ends: 434 [2022-11-25 22:21:57,767 INFO L226 Difference]: Without dead ends: 248 [2022-11-25 22:21:57,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:21:57,770 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:57,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 355 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 22:21:57,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-25 22:21:57,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 245. [2022-11-25 22:21:57,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 209 states have (on average 1.229665071770335) internal successors, (257), 230 states have internal predecessors, (257), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-25 22:21:57,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 307 transitions. [2022-11-25 22:21:57,790 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 307 transitions. Word has length 39 [2022-11-25 22:21:57,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:57,790 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 307 transitions. [2022-11-25 22:21:57,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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) [2022-11-25 22:21:57,791 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 307 transitions. [2022-11-25 22:21:57,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-25 22:21:57,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:57,792 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:21:57,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 22:21:58,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:58,003 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:21:58,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:58,003 INFO L85 PathProgramCache]: Analyzing trace with hash 841650105, now seen corresponding path program 1 times [2022-11-25 22:21:58,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:58,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188317589] [2022-11-25 22:21:58,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:58,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:58,093 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:21:58,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2075501143] [2022-11-25 22:21:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:58,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:58,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:58,095 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:58,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 22:22:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:26,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:22:26,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:22:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:22:26,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:22:26,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:26,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188317589] [2022-11-25 22:22:26,604 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:22:26,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075501143] [2022-11-25 22:22:26,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075501143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:26,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:22:26,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:22:26,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40749105] [2022-11-25 22:22:26,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:26,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:22:26,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:26,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:22:26,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:22:26,607 INFO L87 Difference]: Start difference. First operand 245 states and 307 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 22:22:27,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:27,818 INFO L93 Difference]: Finished difference Result 473 states and 601 transitions. [2022-11-25 22:22:27,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:22:27,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2022-11-25 22:22:27,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:27,826 INFO L225 Difference]: With dead ends: 473 [2022-11-25 22:22:27,826 INFO L226 Difference]: Without dead ends: 249 [2022-11-25 22:22:27,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:22:27,828 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:27,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 545 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 22:22:27,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-11-25 22:22:27,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-11-25 22:22:27,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 211 states have (on average 1.2369668246445498) internal successors, (261), 234 states have internal predecessors, (261), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2022-11-25 22:22:27,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 313 transitions. [2022-11-25 22:22:27,861 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 313 transitions. Word has length 52 [2022-11-25 22:22:27,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:27,864 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 313 transitions. [2022-11-25 22:22:27,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 22:22:27,864 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 313 transitions. [2022-11-25 22:22:27,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-25 22:22:27,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:27,869 INFO L195 NwaCegarLoop]: 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] [2022-11-25 22:22:27,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 22:22:28,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 22:22:28,084 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:22:28,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:28,085 INFO L85 PathProgramCache]: Analyzing trace with hash 492968789, now seen corresponding path program 1 times [2022-11-25 22:22:28,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:28,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112789748] [2022-11-25 22:22:28,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:28,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:28,142 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:22:28,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [485466572] [2022-11-25 22:22:28,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:28,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:22:28,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:22:28,144 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:22:28,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0908fe8-22f0-4d0c-978d-2b07524af0c2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 22:22:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:51,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 22:22:51,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:22:51,832 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 22:22:51,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:22:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 22:22:51,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:51,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112789748] [2022-11-25 22:22:51,938 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:22:51,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485466572] [2022-11-25 22:22:51,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485466572] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:22:51,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1698900281] [2022-11-25 22:22:51,960 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-11-25 22:22:51,960 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:22:51,964 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:22:51,970 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:22:51,970 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:22:52,032 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:22:52,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:52,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 22:22:52,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:52,066 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 22:22:52,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-25 22:22:52,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:22:52,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:52,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-25 22:22:52,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:52,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:52,131 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:22:52,132 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-25 22:22:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:52,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:52,177 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 22:22:52,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-25 22:22:52,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:52,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:52,231 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:22:52,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 22:22:52,255 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-25 22:22:52,266 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-25 22:22:52,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:52,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:52,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:52,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2022-11-25 22:22:52,327 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-25 22:22:52,336 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-25 22:22:53,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:22:53,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-25 22:22:53,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-25 22:22:53,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:22:53,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 22:22:53,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 22:22:53,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:22:53,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:22:53,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:22:53,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2022-11-25 22:22:53,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,887 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 22:22:53,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-25 22:22:53,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:53,979 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 22:22:53,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-25 22:22:54,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 22:22:54,224 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:22:54,230 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:22:54,238 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:22:54,291 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-25 22:22:54,291 INFO L350 Elim1Store]: Elim1 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 53 treesize of output 56 [2022-11-25 22:22:54,322 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:22:54,323 INFO L350 Elim1Store]: Elim1 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 47 treesize of output 50 [2022-11-25 22:22:54,353 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:22:54,353 INFO L350 Elim1Store]: Elim1 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 43 treesize of output 46 [2022-11-25 22:22:54,399 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:22:54,405 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:22:54,412 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:22:54,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 22:22:54,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 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 [2022-11-25 22:22:54,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 22:22:54,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:54,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 22:22:54,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 22:22:54,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 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 [2022-11-25 22:22:55,825 INFO L217 Elim1Store]: Index analysis took 609 ms [2022-11-25 22:23:01,576 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 85 DAG size of output: 22 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:23:01,577 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-25 22:23:01,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-25 22:23:03,473 INFO L217 Elim1Store]: Index analysis took 1728 ms [2022-11-25 22:23:06,445 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-25 22:23:06,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519780 [2022-11-25 22:23:14,372 WARN L233 SmtUtils]: Spent 7.64s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:23:14,373 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 22:23:14,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-25 22:23:14,577 INFO L217 Elim1Store]: Index analysis took 136 ms [2022-11-25 22:23:38,641 WARN L233 SmtUtils]: Spent 24.06s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:23:38,642 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 22:23:38,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-11-25 22:23:39,772 INFO L217 Elim1Store]: Index analysis took 812 ms [2022-11-25 22:24:02,081 WARN L233 SmtUtils]: Spent 21.85s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:24:02,082 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-25 22:24:02,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-25 22:24:02,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:24:03,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:24:03,172 INFO L217 Elim1Store]: Index analysis took 255 ms [2022-11-25 22:24:03,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 91 [2022-11-25 22:24:03,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:24:03,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-25 22:24:04,565 INFO L217 Elim1Store]: Index analysis took 1063 ms [2022-11-25 22:24:05,786 INFO L321 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2022-11-25 22:24:05,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 108 [2022-11-25 22:24:06,013 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 22:24:06,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2022-11-25 22:24:06,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:06,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 42 treesize of output 30 [2022-11-25 22:24:06,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:24:06,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-25 22:24:06,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:06,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:06,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:24:06,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 69 treesize of output 55 [2022-11-25 22:24:08,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:08,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2022-11-25 22:24:47,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:47,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:24:47,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 22:24:47,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:47,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 22:24:47,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:47,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 13