./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.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_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/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_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/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_7d2890cc-2aab-466d-af72-5c58e298d709/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 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:30:28,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:30:28,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:30:28,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:30:28,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:30:28,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:30:28,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:30:28,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:30:28,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:30:28,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:30:28,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:30:28,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:30:28,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:30:28,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:30:28,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:30:28,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:30:28,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:30:28,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:30:28,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:30:28,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:30:28,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:30:28,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:30:28,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:30:28,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:30:28,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:30:28,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:30:28,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:30:28,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:30:28,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:30:28,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:30:28,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:30:28,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:30:28,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:30:28,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:30:28,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:30:28,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:30:28,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:30:28,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:30:28,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:30:28,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:30:28,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:30:28,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 19:30:28,234 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:30:28,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:30:28,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:30:28,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:30:28,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:30:28,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:30:28,237 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:30:28,237 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:30:28,237 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:30:28,238 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:30:28,238 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:30:28,238 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:30:28,239 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:30:28,239 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:30:28,239 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:30:28,240 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:30:28,240 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:30:28,240 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:30:28,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:30:28,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:30:28,242 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:30:28,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:30:28,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:30:28,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:30:28,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:30:28,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:30:28,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:30:28,243 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 19:30:28,244 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:30:28,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:30:28,244 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:30:28,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:30:28,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:30:28,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:30:28,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:30:28,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:30:28,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:30:28,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:30:28,246 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:30:28,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:30:28,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:30:28,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:30:28,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:30:28,248 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_7d2890cc-2aab-466d-af72-5c58e298d709/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f [2021-11-25 19:30:28,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:30:28,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:30:28,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:30:28,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:30:28,634 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:30:28,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2021-11-25 19:30:28,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/data/8c1683006/f938d6ae7468454fa2719cc6d6a8402f/FLAG6e6295ff2 [2021-11-25 19:30:29,432 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:30:29,433 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2021-11-25 19:30:29,462 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/data/8c1683006/f938d6ae7468454fa2719cc6d6a8402f/FLAG6e6295ff2 [2021-11-25 19:30:29,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/data/8c1683006/f938d6ae7468454fa2719cc6d6a8402f [2021-11-25 19:30:29,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:30:29,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:30:29,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:30:29,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:30:29,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:30:29,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:30:29" (1/1) ... [2021-11-25 19:30:29,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b81a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:29, skipping insertion in model container [2021-11-25 19:30:29,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:30:29" (1/1) ... [2021-11-25 19:30:29,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:30:29,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:30:30,281 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_7d2890cc-2aab-466d-af72-5c58e298d709/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[33021,33034] [2021-11-25 19:30:30,468 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_7d2890cc-2aab-466d-af72-5c58e298d709/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44124,44137] [2021-11-25 19:30:30,470 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_7d2890cc-2aab-466d-af72-5c58e298d709/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44245,44258] [2021-11-25 19:30:30,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:30:30,500 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:30:30,538 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_7d2890cc-2aab-466d-af72-5c58e298d709/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[33021,33034] [2021-11-25 19:30:30,654 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_7d2890cc-2aab-466d-af72-5c58e298d709/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44124,44137] [2021-11-25 19:30:30,655 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_7d2890cc-2aab-466d-af72-5c58e298d709/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44245,44258] [2021-11-25 19:30:30,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:30:30,727 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:30:30,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:30 WrapperNode [2021-11-25 19:30:30,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:30:30,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:30:30,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:30:30,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:30:30,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:30" (1/1) ... [2021-11-25 19:30:30,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:30" (1/1) ... [2021-11-25 19:30:30,883 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-25 19:30:30,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:30:30,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:30:30,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:30:30,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:30:30,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:30" (1/1) ... [2021-11-25 19:30:30,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:30" (1/1) ... [2021-11-25 19:30:30,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:30" (1/1) ... [2021-11-25 19:30:30,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:30" (1/1) ... [2021-11-25 19:30:31,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:30" (1/1) ... [2021-11-25 19:30:31,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:30" (1/1) ... [2021-11-25 19:30:31,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:30" (1/1) ... [2021-11-25 19:30:31,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:30:31,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:30:31,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:30:31,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:30:31,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:30" (1/1) ... [2021-11-25 19:30:31,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:30:31,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:30:31,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:30:31,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:30:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:30:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:30:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:30:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:30:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:30:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:30:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:30:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:30:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:30:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:30:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:30:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:30:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:30:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:30:31,499 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:30:31,501 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:30:32,830 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:30:33,249 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:30:33,250 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-25 19:30:33,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:30:33 BoogieIcfgContainer [2021-11-25 19:30:33,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:30:33,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:30:33,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:30:33,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:30:33,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:30:29" (1/3) ... [2021-11-25 19:30:33,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292d0db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:30:33, skipping insertion in model container [2021-11-25 19:30:33,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:30" (2/3) ... [2021-11-25 19:30:33,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292d0db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:30:33, skipping insertion in model container [2021-11-25 19:30:33,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:30:33" (3/3) ... [2021-11-25 19:30:33,265 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test7-2.i [2021-11-25 19:30:33,272 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:30:33,272 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-25 19:30:33,334 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:30:33,343 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 19:30:33,344 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-25 19:30:33,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:30:33,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 19:30:33,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:30:33,374 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 19:30:33,375 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 19:30:33,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:30:33,383 INFO L85 PathProgramCache]: Analyzing trace with hash 28375133, now seen corresponding path program 1 times [2021-11-25 19:30:33,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:30:33,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95046775] [2021-11-25 19:30:33,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:30:33,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:30:33,539 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:30:33,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1231620014] [2021-11-25 19:30:33,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:30:33,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:30:33,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:30:33,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:30:33,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:30:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:30:33,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 19:30:33,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:30:33,973 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 19:30:33,986 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 19:30:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:34,094 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 22 treesize of output 10 [2021-11-25 19:30:34,120 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 19:30:34,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:30:34,121 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:30:34,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95046775] [2021-11-25 19:30:34,121 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:30:34,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231620014] [2021-11-25 19:30:34,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231620014] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:30:34,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:30:34,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:30:34,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872410801] [2021-11-25 19:30:34,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:30:34,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:30:34,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:30:34,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:30:34,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:30:34,177 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 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 19:30:37,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:30:38,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:30:38,890 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2021-11-25 19:30:38,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:30:38,904 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 19:30:38,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:30:38,916 INFO L225 Difference]: With dead ends: 316 [2021-11-25 19:30:38,916 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 19:30:38,920 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 19:30:38,924 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:30:38,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 324 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2021-11-25 19:30:38,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 19:30:38,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-25 19:30:38,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:30:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-25 19:30:38,989 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-25 19:30:38,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:30:38,990 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-25 19:30:38,991 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 19:30:38,991 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-25 19:30:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 19:30:38,995 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:30:38,995 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] [2021-11-25 19:30:39,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 19:30:39,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 19:30:39,211 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 19:30:39,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:30:39,212 INFO L85 PathProgramCache]: Analyzing trace with hash 637186690, now seen corresponding path program 1 times [2021-11-25 19:30:39,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:30:39,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918563058] [2021-11-25 19:30:39,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:30:39,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:30:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:30:39,354 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 19:30:39,355 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:30:39,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918563058] [2021-11-25 19:30:39,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918563058] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:30:39,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:30:39,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:30:39,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602428734] [2021-11-25 19:30:39,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:30:39,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:30:39,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:30:39,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:30:39,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:30:39,375 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 19:30:42,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:30:42,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:30:42,755 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-25 19:30:42,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:30:42,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-11-25 19:30:42,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:30:42,767 INFO L225 Difference]: With dead ends: 211 [2021-11-25 19:30:42,767 INFO L226 Difference]: Without dead ends: 159 [2021-11-25 19:30:42,768 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 19:30:42,770 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:30:42,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 300 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 19:30:42,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-25 19:30:42,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-25 19:30:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:30:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-25 19:30:42,789 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-25 19:30:42,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:30:42,789 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-25 19:30:42,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 19:30:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-25 19:30:42,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 19:30:42,791 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:30:42,792 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] [2021-11-25 19:30:42,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:30:42,792 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 19:30:42,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:30:42,793 INFO L85 PathProgramCache]: Analyzing trace with hash -401054575, now seen corresponding path program 1 times [2021-11-25 19:30:42,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:30:42,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338147452] [2021-11-25 19:30:42,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:30:42,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:30:42,969 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:30:42,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1382183077] [2021-11-25 19:30:42,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:30:42,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:30:42,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:30:42,973 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:30:42,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:30:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:30:43,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:30:43,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:30:44,018 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 19:30:44,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:30:44,020 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:30:44,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338147452] [2021-11-25 19:30:44,021 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:30:44,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382183077] [2021-11-25 19:30:44,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382183077] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:30:44,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:30:44,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:30:44,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565424225] [2021-11-25 19:30:44,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:30:44,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:30:44,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:30:44,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:30:44,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:30:44,028 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 19:30:45,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:30:45,083 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-25 19:30:45,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:30:45,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2021-11-25 19:30:45,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:30:45,094 INFO L225 Difference]: With dead ends: 277 [2021-11-25 19:30:45,095 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 19:30:45,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 19:30:45,098 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:30:45,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 19:30:45,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 19:30:45,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-25 19:30:45,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:30:45,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-25 19:30:45,118 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-25 19:30:45,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:30:45,118 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-25 19:30:45,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 19:30:45,119 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-25 19:30:45,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 19:30:45,121 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:30:45,121 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] [2021-11-25 19:30:45,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 19:30:45,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:30:45,338 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 19:30:45,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:30:45,339 INFO L85 PathProgramCache]: Analyzing trace with hash -886306081, now seen corresponding path program 1 times [2021-11-25 19:30:45,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:30:45,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259927167] [2021-11-25 19:30:45,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:30:45,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:30:45,409 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:30:45,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2114792756] [2021-11-25 19:30:45,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:30:45,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:30:45,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:30:45,411 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:30:45,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:30:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:30:46,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 19:30:46,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:30:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:30:46,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:30:46,800 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:30:46,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259927167] [2021-11-25 19:30:46,800 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:30:46,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114792756] [2021-11-25 19:30:46,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114792756] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:30:46,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:30:46,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:30:46,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012869575] [2021-11-25 19:30:46,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:30:46,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:30:46,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:30:46,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:30:46,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:30:46,803 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:30:49,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:30:49,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:30:49,236 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-25 19:30:49,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:30:49,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2021-11-25 19:30:49,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:30:49,245 INFO L225 Difference]: With dead ends: 308 [2021-11-25 19:30:49,245 INFO L226 Difference]: Without dead ends: 164 [2021-11-25 19:30:49,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 19:30:49,248 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:30:49,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:30:49,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-25 19:30:49,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-25 19:30:49,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-25 19:30:49,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-25 19:30:49,269 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-25 19:30:49,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:30:49,270 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-25 19:30:49,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:30:49,271 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-25 19:30:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 19:30:49,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:30:49,273 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:30:49,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:30:49,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:30:49,496 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 19:30:49,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:30:49,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1426734659, now seen corresponding path program 1 times [2021-11-25 19:30:49,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:30:49,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138339172] [2021-11-25 19:30:49,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:30:49,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:30:49,607 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:30:49,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1645742635] [2021-11-25 19:30:49,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:30:49,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:30:49,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:30:49,614 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:30:49,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2890cc-2aab-466d-af72-5c58e298d709/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:30:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:30:52,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 19:30:52,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:30:52,567 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:30:52,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:30:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:30:52,763 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:30:52,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138339172] [2021-11-25 19:30:52,764 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:30:52,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645742635] [2021-11-25 19:30:52,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645742635] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:30:52,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [781029038] [2021-11-25 19:30:52,787 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-25 19:30:52,787 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:30:52,793 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:30:52,799 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:30:52,800 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:30:52,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:52,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 19:30:52,905 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 19:30:52,912 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 19:30:52,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:52,940 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 19:30:52,941 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 19:30:52,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:52,980 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:30:52,983 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 19:30:53,066 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 19:30:53,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,124 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:30:53,125 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 19:30:53,142 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 15 treesize of output 1 [2021-11-25 19:30:53,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 19:30:53,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2021-11-25 19:30:53,302 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 19:30:53,319 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 19:30:53,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,344 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 19:30:53,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,806 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 62 treesize of output 62 [2021-11-25 19:30:53,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,838 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 60 treesize of output 74 [2021-11-25 19:30:53,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,878 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 19:30:53,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,905 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 19:30:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,950 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 19:30:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,973 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 19:30:53,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:53,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,035 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 19:30:54,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,086 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 19:30:54,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,168 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 19:30:54,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,204 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 19:30:54,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,245 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 19:30:54,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,275 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 19:30:54,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 19:30:54,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 19:30:54,429 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 19:30:54,438 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 19:30:54,502 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:30:54,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 58 [2021-11-25 19:30:54,537 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:30:54,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2021-11-25 19:30:54,577 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:30:54,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 19:30:54,624 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 19:30:54,629 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 19:30:54,636 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 19:30:54,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,746 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 19:30:54,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 19:30:54,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,795 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 19:30:54,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,937 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 19:30:54,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,969 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 19:30:54,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:54,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 19:31:06,298 WARN L227 SmtUtils]: Spent 11.09s 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 19:31:06,299 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:31:06,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 19:31:06,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:18,811 WARN L227 SmtUtils]: Spent 12.34s 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 19:31:18,812 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:31:18,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 19:31:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:19,430 INFO L244 Elim1Store]: Index analysis took 331 ms [2021-11-25 19:31:32,734 WARN L227 SmtUtils]: Spent 12.97s 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 19:31:32,735 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:31:32,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 19:31:33,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:33,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:33,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:33,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:33,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:33,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:33,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:33,547 INFO L244 Elim1Store]: Index analysis took 257 ms [2021-11-25 19:31:35,143 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 19:31:35,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 19:31:35,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:35,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:35,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:35,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:35,650 INFO L244 Elim1Store]: Index analysis took 264 ms [2021-11-25 19:31:35,664 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:31:35,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 19:31:36,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:36,359 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:31:36,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:31:36,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:36,870 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:31:36,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 19:31:36,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:31:36,995 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:31:37,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:37,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:31:37,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:37,173 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 19:31:37,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:37,708 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 19:31:37,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 19:31:37,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:38,039 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 19:31:38,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 19:31:38,143 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:31:38,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:31:38,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:38,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-11-25 19:31:39,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:31:39,457 INFO L244 Elim1Store]: Index analysis took 241 ms [2021-11-25 19:31:40,999 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:31:40,999 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 9 case distinctions, treesize of input 4042 treesize of output 5434 [2021-11-25 19:32:11,578 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:32:11,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:11,831 INFO L244 Elim1Store]: Index analysis took 180 ms [2021-11-25 19:32:14,823 INFO L354 Elim1Store]: treesize reduction 36, result has 98.1 percent of original size [2021-11-25 19:32:14,824 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 9 case distinctions, treesize of input 4154 treesize of output 5522 [2021-11-25 19:32:23,223 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:32:23,285 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:32:23,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:32:23,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:32:23,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:32:23,717 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:32:27,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:27,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:27,430 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-11-25 19:32:27,624 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-25 19:32:27,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 4054 treesize of output 3592 [2021-11-25 19:32:52,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:52,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:52,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:52,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:52,173 INFO L244 Elim1Store]: Index analysis took 268 ms [2021-11-25 19:32:57,474 WARN L227 SmtUtils]: Spent 5.08s 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 19:32:57,474 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 19:32:57,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 858945 treesize of output 852011 [2021-11-25 19:33:39,908 WARN L227 SmtUtils]: Spent 7.37s on a formula simplification. DAG size of input: 1057 DAG size of output: 1052 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)