./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/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_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/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_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/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 58fb5e591c63ebc056bfb6417ddf45efba9827c2f78526eb3c8a68d018ffd43a --- 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 [2022-11-26 00:53:18,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:53:18,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:53:18,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:53:18,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:53:18,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:53:18,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:53:18,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:53:18,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:53:18,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:53:18,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:53:18,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:53:18,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:53:19,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:53:19,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:53:19,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:53:19,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:53:19,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:53:19,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:53:19,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:53:19,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:53:19,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:53:19,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:53:19,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:53:19,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:53:19,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:53:19,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:53:19,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:53:19,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:53:19,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:53:19,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:53:19,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:53:19,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:53:19,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:53:19,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:53:19,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:53:19,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:53:19,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:53:19,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:53:19,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:53:19,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:53:19,047 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:53:19,093 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:53:19,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:53:19,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:53:19,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:53:19,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:53:19,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:53:19,096 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:53:19,096 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:53:19,096 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:53:19,097 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:53:19,098 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:53:19,098 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:53:19,098 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:53:19,098 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:53:19,099 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:53:19,099 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:53:19,099 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:53:19,099 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:53:19,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:53:19,100 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:53:19,101 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:53:19,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:53:19,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:53:19,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:53:19,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:53:19,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:53:19,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:53:19,103 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:53:19,103 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:53:19,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:53:19,104 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:53:19,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:53:19,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:53:19,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:53:19,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:53:19,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:53:19,105 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:53:19,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:53:19,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:53:19,106 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:53:19,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:53:19,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:53:19,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:53:19,107 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_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58fb5e591c63ebc056bfb6417ddf45efba9827c2f78526eb3c8a68d018ffd43a [2022-11-26 00:53:19,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:53:19,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:53:19,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:53:19,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:53:19,465 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:53:19,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i [2022-11-26 00:53:22,639 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:53:23,027 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:53:23,028 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i [2022-11-26 00:53:23,061 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/data/673319c6a/b6155bfe30f7434094d21531b9e0046f/FLAG959cc4f68 [2022-11-26 00:53:23,076 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/data/673319c6a/b6155bfe30f7434094d21531b9e0046f [2022-11-26 00:53:23,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:53:23,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:53:23,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:53:23,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:53:23,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:53:23,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:53:23" (1/1) ... [2022-11-26 00:53:23,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c03dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:23, skipping insertion in model container [2022-11-26 00:53:23,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:53:23" (1/1) ... [2022-11-26 00:53:23,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:53:23,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:53:23,764 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_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[33021,33034] [2022-11-26 00:53:23,955 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:53:23,983 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_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[45234,45247] [2022-11-26 00:53:23,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:53:24,021 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:53:24,070 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_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[33021,33034] [2022-11-26 00:53:24,146 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:53:24,173 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_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[45234,45247] [2022-11-26 00:53:24,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:53:24,213 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:53:24,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:24 WrapperNode [2022-11-26 00:53:24,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:53:24,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:53:24,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:53:24,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:53:24,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:24" (1/1) ... [2022-11-26 00:53:24,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:24" (1/1) ... [2022-11-26 00:53:24,346 INFO L138 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 998 [2022-11-26 00:53:24,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:53:24,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:53:24,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:53:24,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:53:24,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:24" (1/1) ... [2022-11-26 00:53:24,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:24" (1/1) ... [2022-11-26 00:53:24,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:24" (1/1) ... [2022-11-26 00:53:24,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:24" (1/1) ... [2022-11-26 00:53:24,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:24" (1/1) ... [2022-11-26 00:53:24,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:24" (1/1) ... [2022-11-26 00:53:24,441 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:24" (1/1) ... [2022-11-26 00:53:24,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:24" (1/1) ... [2022-11-26 00:53:24,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:53:24,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:53:24,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:53:24,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:53:24,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:24" (1/1) ... [2022-11-26 00:53:24,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:53:24,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:53:24,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:53:24,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:53:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:53:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:53:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:53:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:53:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:53:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:53:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2022-11-26 00:53:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2022-11-26 00:53:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:53:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:53:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:53:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:53:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:53:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:53:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:53:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:53:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:53:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:53:24,834 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:53:24,848 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:53:26,631 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:53:27,046 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:53:27,046 INFO L300 CfgBuilder]: Removed 62 assume(true) statements. [2022-11-26 00:53:27,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:53:27 BoogieIcfgContainer [2022-11-26 00:53:27,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:53:27,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:53:27,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:53:27,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:53:27,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:53:23" (1/3) ... [2022-11-26 00:53:27,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e34d6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:53:27, skipping insertion in model container [2022-11-26 00:53:27,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:53:24" (2/3) ... [2022-11-26 00:53:27,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e34d6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:53:27, skipping insertion in model container [2022-11-26 00:53:27,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:53:27" (3/3) ... [2022-11-26 00:53:27,059 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test8-1.i [2022-11-26 00:53:27,079 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:53:27,080 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-26 00:53:27,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:53:27,142 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;@11f2b54b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:53:27,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-26 00:53:27,147 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) [2022-11-26 00:53:27,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:53:27,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:27,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:53:27,155 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)] === [2022-11-26 00:53:27,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:27,160 INFO L85 PathProgramCache]: Analyzing trace with hash 28438595, now seen corresponding path program 1 times [2022-11-26 00:53:27,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:27,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083477904] [2022-11-26 00:53:27,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:27,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:27,288 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:53:27,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1154243804] [2022-11-26 00:53:27,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:27,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:53:27,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:53:27,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:53:27,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:53:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:27,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-26 00:53:27,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:53:27,621 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 [2022-11-26 00:53:27,633 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 [2022-11-26 00:53:27,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:53:27,704 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 [2022-11-26 00:53:27,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:53:27,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:53:27,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:27,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083477904] [2022-11-26 00:53:27,731 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:53:27,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154243804] [2022-11-26 00:53:27,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154243804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:27,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:27,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:53:27,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786571726] [2022-11-26 00:53:27,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:27,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:53:27,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:27,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:53:27,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:53:27,790 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) [2022-11-26 00:53:30,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:53:30,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:30,821 INFO L93 Difference]: Finished difference Result 368 states and 636 transitions. [2022-11-26 00:53:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:53:30,829 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 [2022-11-26 00:53:30,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:30,849 INFO L225 Difference]: With dead ends: 368 [2022-11-26 00:53:30,849 INFO L226 Difference]: Without dead ends: 208 [2022-11-26 00:53:30,856 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 [2022-11-26 00:53:30,863 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 57 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:30,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 499 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:53:30,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-26 00:53:30,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 160. [2022-11-26 00:53:30,966 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) [2022-11-26 00:53:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2022-11-26 00:53:30,977 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2022-11-26 00:53:30,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:30,978 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2022-11-26 00:53:30,978 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) [2022-11-26 00:53:30,979 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2022-11-26 00:53:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-26 00:53:30,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:30,985 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] [2022-11-26 00:53:30,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:53:31,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:53:31,193 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)] === [2022-11-26 00:53:31,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:31,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1795405831, now seen corresponding path program 1 times [2022-11-26 00:53:31,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:31,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627867199] [2022-11-26 00:53:31,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:31,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:31,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:53:31,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:31,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627867199] [2022-11-26 00:53:31,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627867199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:31,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:31,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:53:31,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965790253] [2022-11-26 00:53:31,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:31,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:53:31,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:31,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:53:31,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:53:31,826 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) [2022-11-26 00:53:34,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:34,035 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2022-11-26 00:53:34,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:53:34,036 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 [2022-11-26 00:53:34,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:34,039 INFO L225 Difference]: With dead ends: 297 [2022-11-26 00:53:34,039 INFO L226 Difference]: Without dead ends: 204 [2022-11-26 00:53:34,040 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 [2022-11-26 00:53:34,043 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 [2022-11-26 00:53:34,044 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] [2022-11-26 00:53:34,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-11-26 00:53:34,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2022-11-26 00:53:34,077 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) [2022-11-26 00:53:34,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2022-11-26 00:53:34,079 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2022-11-26 00:53:34,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:34,080 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2022-11-26 00:53:34,080 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) [2022-11-26 00:53:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2022-11-26 00:53:34,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:53:34,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:34,082 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] [2022-11-26 00:53:34,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:53:34,083 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)] === [2022-11-26 00:53:34,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:34,084 INFO L85 PathProgramCache]: Analyzing trace with hash 421381030, now seen corresponding path program 1 times [2022-11-26 00:53:34,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:34,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476397907] [2022-11-26 00:53:34,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:34,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:34,245 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:53:34,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1372531042] [2022-11-26 00:53:34,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:34,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:53:34,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:53:34,251 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:53:34,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:53:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:35,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:53:35,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:53:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:53:35,119 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:53:35,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:35,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476397907] [2022-11-26 00:53:35,119 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:53:35,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372531042] [2022-11-26 00:53:35,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372531042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:35,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:35,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:53:35,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186035027] [2022-11-26 00:53:35,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:35,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:53:35,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:35,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:53:35,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:53:35,123 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) [2022-11-26 00:53:37,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:53:37,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:37,772 INFO L93 Difference]: Finished difference Result 160 states and 208 transitions. [2022-11-26 00:53:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:53:37,787 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 [2022-11-26 00:53:37,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:37,789 INFO L225 Difference]: With dead ends: 160 [2022-11-26 00:53:37,790 INFO L226 Difference]: Without dead ends: 159 [2022-11-26 00:53:37,790 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 [2022-11-26 00:53:37,793 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, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:37,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 288 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:53:37,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-26 00:53:37,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2022-11-26 00:53:37,825 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) [2022-11-26 00:53:37,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 207 transitions. [2022-11-26 00:53:37,832 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 207 transitions. Word has length 30 [2022-11-26 00:53:37,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:37,832 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 207 transitions. [2022-11-26 00:53:37,833 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) [2022-11-26 00:53:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 207 transitions. [2022-11-26 00:53:37,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-26 00:53:37,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:37,835 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] [2022-11-26 00:53:37,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:53:38,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-26 00:53:38,047 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)] === [2022-11-26 00:53:38,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:38,047 INFO L85 PathProgramCache]: Analyzing trace with hash 177910084, now seen corresponding path program 1 times [2022-11-26 00:53:38,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:38,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298584420] [2022-11-26 00:53:38,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:38,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:38,192 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:53:38,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149633738] [2022-11-26 00:53:38,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:38,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:53:38,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:53:38,194 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:53:38,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:53:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:39,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:53:39,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:53:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:53:39,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:53:39,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:39,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298584420] [2022-11-26 00:53:39,251 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:53:39,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149633738] [2022-11-26 00:53:39,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149633738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:39,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:39,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:53:39,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929778153] [2022-11-26 00:53:39,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:39,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:53:39,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:39,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:53:39,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:53:39,259 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) [2022-11-26 00:53:42,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:53:42,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:42,192 INFO L93 Difference]: Finished difference Result 245 states and 332 transitions. [2022-11-26 00:53:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:53:42,199 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 [2022-11-26 00:53:42,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:42,201 INFO L225 Difference]: With dead ends: 245 [2022-11-26 00:53:42,201 INFO L226 Difference]: Without dead ends: 244 [2022-11-26 00:53:42,201 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 [2022-11-26 00:53:42,202 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 69 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:42,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 543 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:53:42,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-11-26 00:53:42,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 213. [2022-11-26 00:53:42,237 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) [2022-11-26 00:53:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2022-11-26 00:53:42,241 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 31 [2022-11-26 00:53:42,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:42,242 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2022-11-26 00:53:42,242 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) [2022-11-26 00:53:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2022-11-26 00:53:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-26 00:53:42,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:42,245 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] [2022-11-26 00:53:42,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-26 00:53:42,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:53:42,446 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)] === [2022-11-26 00:53:42,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:42,447 INFO L85 PathProgramCache]: Analyzing trace with hash 152449389, now seen corresponding path program 1 times [2022-11-26 00:53:42,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:42,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792106180] [2022-11-26 00:53:42,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:42,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:42,579 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:53:42,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580837093] [2022-11-26 00:53:42,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:42,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:53:42,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:53:42,581 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:53:42,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:53:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:43,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:53:43,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:53:43,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:53:43,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:53:43,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:43,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792106180] [2022-11-26 00:53:43,595 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:53:43,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580837093] [2022-11-26 00:53:43,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580837093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:43,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:43,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:53:43,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288744235] [2022-11-26 00:53:43,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:43,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:53:43,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:43,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:53:43,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:53:43,599 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) [2022-11-26 00:53:45,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:45,150 INFO L93 Difference]: Finished difference Result 434 states and 549 transitions. [2022-11-26 00:53:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:53:45,151 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 [2022-11-26 00:53:45,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:45,152 INFO L225 Difference]: With dead ends: 434 [2022-11-26 00:53:45,152 INFO L226 Difference]: Without dead ends: 248 [2022-11-26 00:53:45,154 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 [2022-11-26 00:53:45,155 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:45,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 355 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:53:45,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-26 00:53:45,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 245. [2022-11-26 00:53:45,170 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) [2022-11-26 00:53:45,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 307 transitions. [2022-11-26 00:53:45,173 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 307 transitions. Word has length 39 [2022-11-26 00:53:45,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:45,173 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 307 transitions. [2022-11-26 00:53:45,173 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) [2022-11-26 00:53:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 307 transitions. [2022-11-26 00:53:45,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:53:45,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:45,175 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] [2022-11-26 00:53:45,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:53:45,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:53:45,398 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)] === [2022-11-26 00:53:45,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:45,398 INFO L85 PathProgramCache]: Analyzing trace with hash 841650105, now seen corresponding path program 1 times [2022-11-26 00:53:45,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:45,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64032661] [2022-11-26 00:53:45,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:45,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:45,458 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:53:45,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1257359253] [2022-11-26 00:53:45,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:45,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:53:45,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:53:45,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:53:45,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:54:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:15,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:54:15,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:54:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:54:15,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:54:15,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:15,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64032661] [2022-11-26 00:54:15,613 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:54:15,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257359253] [2022-11-26 00:54:15,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257359253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:15,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:15,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:54:15,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791627900] [2022-11-26 00:54:15,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:15,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:54:15,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:15,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:54:15,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:54:15,616 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) [2022-11-26 00:54:16,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:16,807 INFO L93 Difference]: Finished difference Result 473 states and 601 transitions. [2022-11-26 00:54:16,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:54:16,813 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 [2022-11-26 00:54:16,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:16,815 INFO L225 Difference]: With dead ends: 473 [2022-11-26 00:54:16,815 INFO L226 Difference]: Without dead ends: 249 [2022-11-26 00:54:16,816 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 [2022-11-26 00:54:16,817 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 [2022-11-26 00:54:16,818 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] [2022-11-26 00:54:16,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-11-26 00:54:16,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-11-26 00:54:16,840 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) [2022-11-26 00:54:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 313 transitions. [2022-11-26 00:54:16,845 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 313 transitions. Word has length 52 [2022-11-26 00:54:16,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:16,846 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 313 transitions. [2022-11-26 00:54:16,846 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) [2022-11-26 00:54:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 313 transitions. [2022-11-26 00:54:16,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-26 00:54:16,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:16,855 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] [2022-11-26 00:54:16,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:54:17,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:54:17,056 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)] === [2022-11-26 00:54:17,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:17,057 INFO L85 PathProgramCache]: Analyzing trace with hash 492968789, now seen corresponding path program 1 times [2022-11-26 00:54:17,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:17,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322128679] [2022-11-26 00:54:17,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:17,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:17,129 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:54:17,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [465545642] [2022-11-26 00:54:17,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:17,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:54:17,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:54:17,132 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:54:17,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba6e13e6-b8d0-4198-91e7-4b4d0dc058f5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 00:54:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:40,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-26 00:54:40,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:54:40,748 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:54:40,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:54:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:54:40,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:40,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322128679] [2022-11-26 00:54:40,866 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:54:40,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465545642] [2022-11-26 00:54:40,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465545642] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:54:40,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1121610768] [2022-11-26 00:54:40,900 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-11-26 00:54:40,900 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:54:40,904 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:54:40,911 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:54:40,911 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:54:40,992 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 [2022-11-26 00:54:41,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:41,002 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 [2022-11-26 00:54:41,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:41,031 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:54:41,032 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 [2022-11-26 00:54:41,050 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 [2022-11-26 00:54:41,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:41,060 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 [2022-11-26 00:54:41,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:41,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:41,119 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:54:41,120 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 [2022-11-26 00:54:41,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:41,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:41,174 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:54:41,174 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 [2022-11-26 00:54:41,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:41,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:41,237 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:54:41,238 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 [2022-11-26 00:54:41,254 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 [2022-11-26 00:54:41,265 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 [2022-11-26 00:54:41,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:41,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:41,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:41,313 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 [2022-11-26 00:54:41,330 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 [2022-11-26 00:54:41,340 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 [2022-11-26 00:54:42,255 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 [2022-11-26 00:54:42,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,312 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 [2022-11-26 00:54:42,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,371 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 [2022-11-26 00:54:42,410 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 [2022-11-26 00:54:42,466 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 [2022-11-26 00:54:42,478 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 [2022-11-26 00:54:42,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,563 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 [2022-11-26 00:54:42,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,652 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 [2022-11-26 00:54:42,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,766 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 [2022-11-26 00:54:42,816 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 [2022-11-26 00:54:42,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,899 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:54:42,900 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 [2022-11-26 00:54:42,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:42,992 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:54:42,993 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 [2022-11-26 00:54:43,029 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 [2022-11-26 00:54:43,231 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 [2022-11-26 00:54:43,237 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 [2022-11-26 00:54:43,246 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 [2022-11-26 00:54:43,308 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-26 00:54:43,309 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 [2022-11-26 00:54:43,342 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:54:43,343 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 [2022-11-26 00:54:43,377 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:54:43,377 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 [2022-11-26 00:54:43,416 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 [2022-11-26 00:54:43,436 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 [2022-11-26 00:54:43,443 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 [2022-11-26 00:54:43,535 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 [2022-11-26 00:54:43,558 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 [2022-11-26 00:54:43,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,610 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 [2022-11-26 00:54:43,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:43,838 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 [2022-11-26 00:54:43,863 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 [2022-11-26 00:54:43,883 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 [2022-11-26 00:54:44,928 INFO L217 Elim1Store]: Index analysis took 657 ms [2022-11-26 00:54:51,090 WARN L233 SmtUtils]: Spent 6.16s 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) [2022-11-26 00:54:51,091 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-26 00:54:51,092 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 [2022-11-26 00:54:53,178 INFO L217 Elim1Store]: Index analysis took 1939 ms [2022-11-26 00:54:56,590 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-26 00:54:56,591 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 [2022-11-26 00:55:04,664 WARN L233 SmtUtils]: Spent 7.75s 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) [2022-11-26 00:55:04,664 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:55:04,665 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 [2022-11-26 00:55:04,943 INFO L217 Elim1Store]: Index analysis took 203 ms [2022-11-26 00:55:30,736 WARN L233 SmtUtils]: Spent 25.79s 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) [2022-11-26 00:55:30,737 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:55:30,737 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 [2022-11-26 00:55:31,910 INFO L217 Elim1Store]: Index analysis took 812 ms [2022-11-26 00:55:55,110 WARN L233 SmtUtils]: Spent 22.69s 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) [2022-11-26 00:55:55,111 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:55:55,111 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 [2022-11-26 00:55:55,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:55:56,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:55:56,257 INFO L217 Elim1Store]: Index analysis took 270 ms [2022-11-26 00:55:56,259 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 [2022-11-26 00:55:56,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:55:56,405 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 [2022-11-26 00:55:57,689 INFO L217 Elim1Store]: Index analysis took 1048 ms [2022-11-26 00:55:58,899 INFO L321 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2022-11-26 00:55:58,899 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 [2022-11-26 00:55:59,122 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:55:59,122 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 [2022-11-26 00:55:59,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:55:59,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:55:59,387 INFO L217 Elim1Store]: Index analysis took 107 ms [2022-11-26 00:55:59,389 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 [2022-11-26 00:55:59,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:55:59,534 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 [2022-11-26 00:55:59,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:55:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:55:59,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:55:59,711 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 [2022-11-26 00:56:01,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:01,450 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 [2022-11-26 00:56:42,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:42,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:56:42,931 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 [2022-11-26 00:56:42,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:42,991 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 [2022-11-26 00:56:43,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:43,063 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