./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7 --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 ce6a3162e09155ad765d255c42023f1cbec9d995c66c63f43c14fadd8640484e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:52:56,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:52:56,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:52:56,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:52:56,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:52:56,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:52:56,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:52:56,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:52:56,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:52:56,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:52:56,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:52:56,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:52:56,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:52:56,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:52:56,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:52:56,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:52:56,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:52:57,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:52:57,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:52:57,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:52:57,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:52:57,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:52:57,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:52:57,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:52:57,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:52:57,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:52:57,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:52:57,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:52:57,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:52:57,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:52:57,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:52:57,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:52:57,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:52:57,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:52:57,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:52:57,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:52:57,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:52:57,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:52:57,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:52:57,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:52:57,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:52:57,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 18:52:57,101 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:52:57,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:52:57,102 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:52:57,102 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:52:57,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:52:57,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:52:57,111 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:52:57,111 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:52:57,111 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:52:57,112 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:52:57,113 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:52:57,113 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:52:57,113 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:52:57,114 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:52:57,114 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:52:57,114 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:52:57,114 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:52:57,115 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:52:57,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:52:57,116 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:52:57,116 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:52:57,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:52:57,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:52:57,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:52:57,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:52:57,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:52:57,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:52:57,118 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 18:52:57,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:52:57,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:52:57,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:52:57,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:52:57,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:52:57,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:52:57,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:52:57,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:52:57,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:52:57,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:52:57,121 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:52:57,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:52:57,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:52:57,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:52:57,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:52:57,123 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce6a3162e09155ad765d255c42023f1cbec9d995c66c63f43c14fadd8640484e [2021-11-25 18:52:57,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:52:57,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:52:57,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:52:57,492 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:52:57,492 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:52:57,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.i [2021-11-25 18:52:57,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/data/4904ce4e2/f90259338bca4111982825b66d822e03/FLAG16902d863 [2021-11-25 18:52:58,359 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:52:58,366 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.i [2021-11-25 18:52:58,401 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/data/4904ce4e2/f90259338bca4111982825b66d822e03/FLAG16902d863 [2021-11-25 18:52:58,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/data/4904ce4e2/f90259338bca4111982825b66d822e03 [2021-11-25 18:52:58,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:52:58,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:52:58,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:52:58,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:52:58,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:52:58,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:52:58" (1/1) ... [2021-11-25 18:52:58,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58493b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:58, skipping insertion in model container [2021-11-25 18:52:58,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:52:58" (1/1) ... [2021-11-25 18:52:58,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:52:58,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:52:59,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.i[33022,33035] [2021-11-25 18:52:59,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:52:59,388 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:52:59,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.i[33022,33035] [2021-11-25 18:52:59,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:52:59,697 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:52:59,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:59 WrapperNode [2021-11-25 18:52:59,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:52:59,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:52:59,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:52:59,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:52:59,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:59" (1/1) ... [2021-11-25 18:52:59,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:59" (1/1) ... [2021-11-25 18:52:59,894 INFO L137 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2179 [2021-11-25 18:52:59,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:52:59,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:52:59,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:52:59,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:52:59,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:59" (1/1) ... [2021-11-25 18:52:59,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:59" (1/1) ... [2021-11-25 18:52:59,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:59" (1/1) ... [2021-11-25 18:52:59,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:59" (1/1) ... [2021-11-25 18:53:00,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:59" (1/1) ... [2021-11-25 18:53:00,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:59" (1/1) ... [2021-11-25 18:53:00,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:59" (1/1) ... [2021-11-25 18:53:00,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:53:00,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:53:00,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:53:00,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:53:00,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:59" (1/1) ... [2021-11-25 18:53:00,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:53:00,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:53:00,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:53:00,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:53:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2021-11-25 18:53:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2021-11-25 18:53:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:53:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:53:00,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:53:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:53:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:53:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:53:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:53:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:53:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:53:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:53:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:53:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:53:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:53:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:53:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:53:00,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:53:00,666 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:53:00,668 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:53:03,028 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:53:03,795 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:53:03,795 INFO L301 CfgBuilder]: Removed 151 assume(true) statements. [2021-11-25 18:53:03,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:53:03 BoogieIcfgContainer [2021-11-25 18:53:03,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:53:03,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:53:03,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:53:03,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:53:03,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:52:58" (1/3) ... [2021-11-25 18:53:03,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c69912c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:53:03, skipping insertion in model container [2021-11-25 18:53:03,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:59" (2/3) ... [2021-11-25 18:53:03,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c69912c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:53:03, skipping insertion in model container [2021-11-25 18:53:03,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:53:03" (3/3) ... [2021-11-25 18:53:03,816 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test10-1.i [2021-11-25 18:53:03,823 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:53:03,823 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-25 18:53:03,896 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:53:03,911 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:53:03,911 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-25 18:53:03,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 259 states, 235 states have (on average 1.8340425531914895) internal successors, (431), 245 states have internal predecessors, (431), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-25 18:53:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 18:53:03,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:53:03,951 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 18:53:03,951 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 18:53:03,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:53:03,963 INFO L85 PathProgramCache]: Analyzing trace with hash 56325447, now seen corresponding path program 1 times [2021-11-25 18:53:03,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:53:03,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204797273] [2021-11-25 18:53:03,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:03,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:53:04,118 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:53:04,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610460712] [2021-11-25 18:53:04,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:04,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:53:04,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:53:04,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:53:04,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:53:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:53:04,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 18:53:04,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:53:04,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:53:04,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:53:04,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:04,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:53:04,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:53:04,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:53:04,656 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:53:04,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204797273] [2021-11-25 18:53:04,656 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:53:04,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610460712] [2021-11-25 18:53:04,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610460712] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:53:04,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:53:04,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:53:04,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204736402] [2021-11-25 18:53:04,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:53:04,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:53:04,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:53:04,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:53:04,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:53:04,722 INFO L87 Difference]: Start difference. First operand has 259 states, 235 states have (on average 1.8340425531914895) internal successors, (431), 245 states have internal predecessors, (431), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) 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) [2021-11-25 18:53:07,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:53:07,834 INFO L93 Difference]: Finished difference Result 547 states and 974 transitions. [2021-11-25 18:53:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:53:07,837 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 [2021-11-25 18:53:07,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:53:07,865 INFO L225 Difference]: With dead ends: 547 [2021-11-25 18:53:07,865 INFO L226 Difference]: Without dead ends: 287 [2021-11-25 18:53:07,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:53:07,873 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 29 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:53:07,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 783 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 18:53:07,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-11-25 18:53:07,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 261. [2021-11-25 18:53:07,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 238 states have (on average 1.218487394957983) internal successors, (290), 248 states have internal predecessors, (290), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 18:53:07,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 317 transitions. [2021-11-25 18:53:07,941 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 317 transitions. Word has length 4 [2021-11-25 18:53:07,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:53:07,941 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 317 transitions. [2021-11-25 18:53:07,942 INFO L471 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) [2021-11-25 18:53:07,942 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 317 transitions. [2021-11-25 18:53:07,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 18:53:07,943 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:53:07,943 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:53:07,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:53:08,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 18:53:08,165 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 18:53:08,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:53:08,166 INFO L85 PathProgramCache]: Analyzing trace with hash 433822891, now seen corresponding path program 1 times [2021-11-25 18:53:08,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:53:08,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574188517] [2021-11-25 18:53:08,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:08,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:53:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:53:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:53:08,347 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:53:08,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574188517] [2021-11-25 18:53:08,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574188517] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:53:08,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:53:08,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:53:08,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294916845] [2021-11-25 18:53:08,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:53:08,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:53:08,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:53:08,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:53:08,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:53:08,352 INFO L87 Difference]: Start difference. First operand 261 states and 317 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-25 18:53:12,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:53:12,439 INFO L93 Difference]: Finished difference Result 410 states and 503 transitions. [2021-11-25 18:53:12,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:53:12,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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 20 [2021-11-25 18:53:12,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:53:12,443 INFO L225 Difference]: With dead ends: 410 [2021-11-25 18:53:12,443 INFO L226 Difference]: Without dead ends: 261 [2021-11-25 18:53:12,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:53:12,447 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 2 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:53:12,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 795 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-25 18:53:12,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-11-25 18:53:12,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2021-11-25 18:53:12,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 238 states have (on average 1.2142857142857142) internal successors, (289), 248 states have internal predecessors, (289), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 18:53:12,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 316 transitions. [2021-11-25 18:53:12,474 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 316 transitions. Word has length 20 [2021-11-25 18:53:12,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:53:12,474 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 316 transitions. [2021-11-25 18:53:12,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-25 18:53:12,475 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 316 transitions. [2021-11-25 18:53:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 18:53:12,477 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:53:12,477 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:53:12,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:53:12,478 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 18:53:12,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:53:12,478 INFO L85 PathProgramCache]: Analyzing trace with hash -649685512, now seen corresponding path program 1 times [2021-11-25 18:53:12,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:53:12,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090493297] [2021-11-25 18:53:12,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:12,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:53:12,616 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:53:12,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003389268] [2021-11-25 18:53:12,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:12,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:53:12,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:53:12,622 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:53:12,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:53:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:53:13,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 1579 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:53:13,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:53:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:53:13,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:53:13,584 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:53:13,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090493297] [2021-11-25 18:53:13,585 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:53:13,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003389268] [2021-11-25 18:53:13,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003389268] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:53:13,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:53:13,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:53:13,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056875827] [2021-11-25 18:53:13,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:53:13,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:53:13,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:53:13,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:53:13,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:53:13,591 INFO L87 Difference]: Start difference. First operand 261 states and 316 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:53:15,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:53:16,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:53:16,749 INFO L93 Difference]: Finished difference Result 632 states and 764 transitions. [2021-11-25 18:53:16,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:53:16,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 29 [2021-11-25 18:53:16,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:53:16,753 INFO L225 Difference]: With dead ends: 632 [2021-11-25 18:53:16,753 INFO L226 Difference]: Without dead ends: 376 [2021-11-25 18:53:16,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:53:16,756 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 119 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:53:16,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 598 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-25 18:53:16,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-11-25 18:53:16,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 372. [2021-11-25 18:53:16,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.191860465116279) internal successors, (410), 354 states have internal predecessors, (410), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-25 18:53:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 447 transitions. [2021-11-25 18:53:16,791 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 447 transitions. Word has length 29 [2021-11-25 18:53:16,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:53:16,792 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 447 transitions. [2021-11-25 18:53:16,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:53:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 447 transitions. [2021-11-25 18:53:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 18:53:16,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:53:16,796 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:53:16,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:53:17,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:53:17,011 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 18:53:17,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:53:17,011 INFO L85 PathProgramCache]: Analyzing trace with hash -656242656, now seen corresponding path program 1 times [2021-11-25 18:53:17,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:53:17,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910374188] [2021-11-25 18:53:17,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:17,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:53:17,107 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:53:17,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1318247974] [2021-11-25 18:53:17,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:17,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:53:17,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:53:17,115 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:53:17,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:53:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:53:17,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 18:53:17,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:53:17,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:53:17,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:53:17,745 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-25 18:53:17,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 11 [2021-11-25 18:53:17,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-11-25 18:53:17,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:53:17,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:53:17,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:53:17,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:53:17,897 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:53:17,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910374188] [2021-11-25 18:53:17,898 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:53:17,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318247974] [2021-11-25 18:53:17,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318247974] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:53:17,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:53:17,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:53:17,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106664053] [2021-11-25 18:53:17,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:53:17,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:53:17,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:53:17,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:53:17,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:53:17,916 INFO L87 Difference]: Start difference. First operand 372 states and 447 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:53:21,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:53:25,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:53:25,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:53:25,829 INFO L93 Difference]: Finished difference Result 692 states and 833 transitions. [2021-11-25 18:53:25,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:53:25,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 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 42 [2021-11-25 18:53:25,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:53:25,833 INFO L225 Difference]: With dead ends: 692 [2021-11-25 18:53:25,833 INFO L226 Difference]: Without dead ends: 372 [2021-11-25 18:53:25,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:53:25,836 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 27 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:53:25,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 999 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2021-11-25 18:53:25,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-11-25 18:53:25,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2021-11-25 18:53:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.188953488372093) internal successors, (409), 354 states have internal predecessors, (409), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-25 18:53:25,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 446 transitions. [2021-11-25 18:53:25,865 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 446 transitions. Word has length 42 [2021-11-25 18:53:25,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:53:25,865 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 446 transitions. [2021-11-25 18:53:25,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:53:25,866 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 446 transitions. [2021-11-25 18:53:25,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 18:53:25,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:53:25,869 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:53:25,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:53:26,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:53:26,086 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 18:53:26,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:53:26,087 INFO L85 PathProgramCache]: Analyzing trace with hash -391626636, now seen corresponding path program 1 times [2021-11-25 18:53:26,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:53:26,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435872210] [2021-11-25 18:53:26,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:26,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:53:26,229 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:53:26,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [473742685] [2021-11-25 18:53:26,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:26,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:53:26,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:53:26,231 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:53:26,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:53:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:53:27,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 2186 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:53:27,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:53:27,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:53:27,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:53:27,548 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:53:27,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435872210] [2021-11-25 18:53:27,549 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:53:27,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473742685] [2021-11-25 18:53:27,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473742685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:53:27,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:53:27,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:53:27,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234948223] [2021-11-25 18:53:27,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:53:27,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:53:27,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:53:27,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:53:27,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:53:27,552 INFO L87 Difference]: Start difference. First operand 372 states and 446 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:53:29,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:53:30,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:53:31,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:53:31,284 INFO L93 Difference]: Finished difference Result 838 states and 1006 transitions. [2021-11-25 18:53:31,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:53:31,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 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 63 [2021-11-25 18:53:31,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:53:31,289 INFO L225 Difference]: With dead ends: 838 [2021-11-25 18:53:31,289 INFO L226 Difference]: Without dead ends: 494 [2021-11-25 18:53:31,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:53:31,291 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 110 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:53:31,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 544 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-25 18:53:31,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-11-25 18:53:31,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 439. [2021-11-25 18:53:31,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 408 states have (on average 1.178921568627451) internal successors, (481), 418 states have internal predecessors, (481), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-25 18:53:31,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 524 transitions. [2021-11-25 18:53:31,326 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 524 transitions. Word has length 63 [2021-11-25 18:53:31,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:53:31,326 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 524 transitions. [2021-11-25 18:53:31,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:53:31,327 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 524 transitions. [2021-11-25 18:53:31,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 18:53:31,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:53:31,331 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:53:31,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:53:31,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:53:31,558 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 18:53:31,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:53:31,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1574397001, now seen corresponding path program 1 times [2021-11-25 18:53:31,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:53:31,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683282392] [2021-11-25 18:53:31,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:31,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:53:31,652 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:53:31,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1217875068] [2021-11-25 18:53:31,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:31,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:53:31,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:53:31,658 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:53:31,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 18:53:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:53:35,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 18:53:35,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:53:35,890 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:53:35,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:53:35,891 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:53:35,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683282392] [2021-11-25 18:53:35,891 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:53:35,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217875068] [2021-11-25 18:53:35,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217875068] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:53:35,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:53:35,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:53:35,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164856570] [2021-11-25 18:53:35,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:53:35,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:53:35,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:53:35,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:53:35,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:53:35,894 INFO L87 Difference]: Start difference. First operand 439 states and 524 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:53:39,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:53:40,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:53:40,539 INFO L93 Difference]: Finished difference Result 858 states and 1035 transitions. [2021-11-25 18:53:40,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:53:40,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 76 [2021-11-25 18:53:40,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:53:40,543 INFO L225 Difference]: With dead ends: 858 [2021-11-25 18:53:40,544 INFO L226 Difference]: Without dead ends: 441 [2021-11-25 18:53:40,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:53:40,546 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 1 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:53:40,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 833 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-25 18:53:40,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-11-25 18:53:40,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2021-11-25 18:53:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 409 states have (on average 1.1809290953545233) internal successors, (483), 420 states have internal predecessors, (483), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2021-11-25 18:53:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 529 transitions. [2021-11-25 18:53:40,573 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 529 transitions. Word has length 76 [2021-11-25 18:53:40,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:53:40,574 INFO L470 AbstractCegarLoop]: Abstraction has 441 states and 529 transitions. [2021-11-25 18:53:40,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:53:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 529 transitions. [2021-11-25 18:53:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 18:53:40,576 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:53:40,576 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:53:40,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 18:53:40,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:53:40,798 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 18:53:40,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:53:40,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1409610589, now seen corresponding path program 1 times [2021-11-25 18:53:40,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:53:40,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479113848] [2021-11-25 18:53:40,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:40,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:53:40,877 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:53:40,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [378272110] [2021-11-25 18:53:40,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:40,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:53:40,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:53:40,899 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:53:40,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5c2ca2-533a-4404-bd20-a58785682416/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 18:54:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:54:26,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 18:54:26,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:54:26,652 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:54:26,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:54:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:54:26,871 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:54:26,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479113848] [2021-11-25 18:54:26,871 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:54:26,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378272110] [2021-11-25 18:54:26,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378272110] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:54:26,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [298981473] [2021-11-25 18:54:26,895 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2021-11-25 18:54:26,895 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:54:26,901 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:54:26,907 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:54:26,907 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:54:27,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,064 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 18:54:27,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-25 18:54:27,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:54:27,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,109 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:54:27,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 18:54:27,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:54:27,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 18:54:27,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,225 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:54:27,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-25 18:54:27,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,284 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:54:27,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:54:27,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:54:27,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:54:27,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,360 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:54:27,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:54:27,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:54:27,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:54:27,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:54:27,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:54:27,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:54:27,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:27,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 76 [2021-11-25 18:54:28,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 88 [2021-11-25 18:54:28,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-25 18:54:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:54:28,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:54:28,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:54:28,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:54:28,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,334 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:54:28,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:54:28,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:54:28,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 18:54:28,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:54:28,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:54:28,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:54:28,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:54:28,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:54:28,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:54:28,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:54:28,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:54:28,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:54:28,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:54:28,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:54:28,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:54:28,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:54:28,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:54:28,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:28,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:54:36,164 WARN L227 SmtUtils]: Spent 6.97s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:54:36,165 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:54:36,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:54:36,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:46,982 WARN L227 SmtUtils]: Spent 10.70s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:54:46,982 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:54:46,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:54:47,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:47,581 INFO L244 Elim1Store]: Index analysis took 352 ms [2021-11-25 18:55:03,357 WARN L227 SmtUtils]: Spent 15.31s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:55:03,359 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:55:03,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:55:03,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:03,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:03,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:03,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,053 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 18:55:04,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:55:04,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,392 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-11-25 18:55:04,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 18:55:04,901 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:04,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,105 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:55:05,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:55:05,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,627 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:55:05,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 18:55:05,705 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:05,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 18:55:05,851 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:05,878 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:05,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:06,255 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 18:55:06,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 18:55:06,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:06,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:07,013 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-25 18:55:07,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-25 18:55:07,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:07,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:07,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:07,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-25 18:55:08,191 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,234 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,298 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,345 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,422 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,458 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,536 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,633 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,727 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,832 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,869 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,953 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,028 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:09,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,246 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-11-25 18:55:09,340 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:55:09,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2692 treesize of output 2466 [2021-11-25 18:55:09,441 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,474 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,555 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,586 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,619 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,648 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:09,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:09,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:10,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:10,065 INFO L244 Elim1Store]: Index analysis took 289 ms [2021-11-25 18:55:10,242 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:55:10,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 833 treesize of output 601 [2021-11-25 18:55:10,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:10,545 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:10,582 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:10,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:10,885 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:10,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:10,934 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:10,981 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,011 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,048 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,118 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,178 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,404 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,457 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:11,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:11,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:11,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:11,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 824 treesize of output 380 [2021-11-25 18:55:11,654 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,694 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,720 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:11,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:11,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:11,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2683 treesize of output 2245 [2021-11-25 18:55:12,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:12,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:12,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:12,750 INFO L354 Elim1Store]: treesize reduction 365, result has 68.6 percent of original size [2021-11-25 18:55:12,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2692 treesize of output 3043 [2021-11-25 18:55:12,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:12,926 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:12,955 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:13,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:13,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:13,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:13,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:13,539 INFO L354 Elim1Store]: treesize reduction 740, result has 36.6 percent of original size [2021-11-25 18:55:13,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 833 treesize of output 810 [2021-11-25 18:55:13,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:13,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:13,648 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:13,746 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:13,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:13,798 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:13,972 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:14,030 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:14,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:14,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:14,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:14,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:14,519 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:14,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:14,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:14,618 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:14,648 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:14,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:14,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:14,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:14,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:14,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:14,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:14,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:14,913 INFO L244 Elim1Store]: Index analysis took 171 ms [2021-11-25 18:55:14,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 845 treesize of output 383 [2021-11-25 18:55:14,943 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:14,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:15,004 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:15,026 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:15,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:15,110 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:15,133 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:15,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:15,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,347 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-25 18:55:15,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 18:55:15,492 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:15,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:15,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:15,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:15,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 845 treesize of output 383 [2021-11-25 18:55:15,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:15,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:15,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 18:55:16,105 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,145 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,166 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,256 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,290 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:16,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,496 INFO L244 Elim1Store]: Index analysis took 133 ms [2021-11-25 18:55:16,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 845 treesize of output 383 [2021-11-25 18:55:16,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,556 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,589 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,654 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,701 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:16,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,041 INFO L354 Elim1Store]: treesize reduction 55, result has 22.5 percent of original size [2021-11-25 18:55:17,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2704 treesize of output 2264 [2021-11-25 18:55:17,290 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:17,313 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:17,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:17,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,494 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-25 18:55:17,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-25 18:55:17,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:17,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:17,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-25 18:55:17,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:17,733 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:17,766 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:17,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:17,848 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:17,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:17,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:18,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:18,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:18,023 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-11-25 18:55:18,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-25 18:55:18,071 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:18,101 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:18,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:18,324 INFO L244 Elim1Store]: Index analysis took 178 ms [2021-11-25 18:55:19,042 INFO L354 Elim1Store]: treesize reduction 1443, result has 23.0 percent of original size [2021-11-25 18:55:19,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 854 treesize of output 816 [2021-11-25 18:55:19,105 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:19,135 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:19,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:19,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:19,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:19,485 INFO L244 Elim1Store]: Index analysis took 166 ms [2021-11-25 18:55:20,757 INFO L354 Elim1Store]: treesize reduction 938, result has 48.5 percent of original size [2021-11-25 18:55:20,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2713 treesize of output 3135 [2021-11-25 18:55:22,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,266 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,310 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,532 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,560 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,598 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,633 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,688 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,770 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,949 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:22,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:23,020 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:23,084 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:23,109 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:23,130 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:23,179 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:23,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:23,229 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:23,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:23,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:23,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:23,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:23,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 756 treesize of output 380 [2021-11-25 18:55:23,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:23,397 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:23,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:23,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:23,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:23,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 18:55:23,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:23,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:23,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:23,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:23,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:23,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:23,910 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 18:55:23,931 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-25 18:55:23,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2636 treesize of output 2248 [2021-11-25 18:55:23,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,019 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,099 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,125 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,259 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,340 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,446 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,494 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,542 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,598 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:24,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:24,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:24,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:24,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:24,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:24,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:24,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:24,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:24,842 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-11-25 18:55:24,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 777 treesize of output 383 [2021-11-25 18:55:25,007 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,057 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,165 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,195 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,239 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,292 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,339 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,385 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,429 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,518 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,624 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:25,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,042 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,098 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,134 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,302 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,416 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,447 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,478 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,598 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,653 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,705 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,782 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:26,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,071 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,131 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,153 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,200 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,228 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,258 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,339 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,488 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,575 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,635 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,666 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,698 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,786 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:27,987 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:28,040 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:28,079 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:28,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:28,198 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:28,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:28,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:28,292 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:28,314 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:28,349 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:28,380 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:28,414 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:28,462 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:28,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:28,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:28,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:28,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:28,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 18:55:30,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:30,443 INFO L244 Elim1Store]: Index analysis took 235 ms [2021-11-25 18:55:30,699 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 18:55:30,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-25 18:55:32,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:32,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:32,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:32,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:32,322 INFO L244 Elim1Store]: Index analysis took 313 ms [2021-11-25 18:55:37,853 WARN L227 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 152 DAG size of output: 122 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:55:37,854 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 18:55:37,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 85649 treesize of output 86917 [2021-11-25 19:05:34,239 WARN L227 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 4539 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)