./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:04:56,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:04:56,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:04:56,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:04:56,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:04:56,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:04:56,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:04:56,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:04:56,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:04:56,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:04:56,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:04:56,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:04:56,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:04:56,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:04:56,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:04:56,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:04:56,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:04:56,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:04:56,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:04:56,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:04:56,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:04:56,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:04:56,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:04:56,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:04:56,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:04:56,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:04:56,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:04:56,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:04:56,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:04:56,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:04:56,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:04:56,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:04:56,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:04:56,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:04:56,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:04:56,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:04:56,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:04:56,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:04:56,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:04:56,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:04:56,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:04:56,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:04:56,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:04:56,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:04:56,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:04:56,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:04:56,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:04:56,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:04:56,234 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:04:56,234 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:04:56,234 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:04:56,234 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:04:56,235 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:04:56,235 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:04:56,236 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:04:56,236 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:04:56,236 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:04:56,236 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:04:56,237 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:04:56,237 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:04:56,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:04:56,238 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:04:56,238 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:04:56,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:04:56,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:04:56,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:04:56,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:04:56,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:04:56,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:04:56,240 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:04:56,240 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:04:56,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:04:56,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:04:56,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:04:56,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:04:56,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:04:56,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:04:56,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:04:56,242 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:04:56,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:04:56,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:04:56,243 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:04:56,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:04:56,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:04:56,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:04:56,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd [2022-11-26 00:04:56,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:04:56,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:04:56,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:04:56,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:04:56,564 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:04:56,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2022-11-26 00:04:59,456 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:04:59,930 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:04:59,931 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2022-11-26 00:04:59,948 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/data/307f77752/1dbb85c78f5b41c189c82663b06d4356/FLAGd14506820 [2022-11-26 00:04:59,968 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/data/307f77752/1dbb85c78f5b41c189c82663b06d4356 [2022-11-26 00:04:59,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:04:59,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:04:59,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:04:59,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:04:59,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:04:59,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:59" (1/1) ... [2022-11-26 00:04:59,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63fc3127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:59, skipping insertion in model container [2022-11-26 00:04:59,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:59" (1/1) ... [2022-11-26 00:04:59,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:05:00,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:05:00,650 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[33021,33034] [2022-11-26 00:05:00,888 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:05:00,890 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[84583,84596] [2022-11-26 00:05:00,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:05:00,910 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:05:00,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[33021,33034] [2022-11-26 00:05:01,054 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:05:01,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[84583,84596] [2022-11-26 00:05:01,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:05:01,106 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:05:01,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:01 WrapperNode [2022-11-26 00:05:01,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:05:01,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:05:01,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:05:01,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:05:01,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:01" (1/1) ... [2022-11-26 00:05:01,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:01" (1/1) ... [2022-11-26 00:05:01,298 INFO L138 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3023 [2022-11-26 00:05:01,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:05:01,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:05:01,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:05:01,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:05:01,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:01" (1/1) ... [2022-11-26 00:05:01,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:01" (1/1) ... [2022-11-26 00:05:01,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:01" (1/1) ... [2022-11-26 00:05:01,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:01" (1/1) ... [2022-11-26 00:05:01,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:01" (1/1) ... [2022-11-26 00:05:01,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:01" (1/1) ... [2022-11-26 00:05:01,481 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:01" (1/1) ... [2022-11-26 00:05:01,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:01" (1/1) ... [2022-11-26 00:05:01,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:05:01,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:05:01,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:05:01,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:05:01,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:01" (1/1) ... [2022-11-26 00:05:01,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:05:01,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:05:01,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:05:01,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:05:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:05:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:05:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:05:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:05:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:05:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:05:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:05:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:05:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:05:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:05:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:05:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:05:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:05:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:05:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:05:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:05:01,846 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:05:01,849 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:05:04,979 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:05:05,599 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:05:05,599 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-26 00:05:05,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:05 BoogieIcfgContainer [2022-11-26 00:05:05,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:05:05,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:05:05,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:05:05,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:05:05,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:04:59" (1/3) ... [2022-11-26 00:05:05,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a061425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:05, skipping insertion in model container [2022-11-26 00:05:05,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:01" (2/3) ... [2022-11-26 00:05:05,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a061425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:05, skipping insertion in model container [2022-11-26 00:05:05,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:05" (3/3) ... [2022-11-26 00:05:05,619 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-2.i [2022-11-26 00:05:05,638 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:05:05,638 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-26 00:05:05,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:05:05,749 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@381bb733, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:05:05,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-26 00:05:05,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 1123 states, 609 states have (on average 1.9655172413793103) internal successors, (1197), 1117 states have internal predecessors, (1197), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-26 00:05:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:05:05,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:05,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:05:05,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:05:05,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:05,777 INFO L85 PathProgramCache]: Analyzing trace with hash 144561211, now seen corresponding path program 1 times [2022-11-26 00:05:05,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:05,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236628571] [2022-11-26 00:05:05,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:05,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:05,917 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:05:05,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1935033439] [2022-11-26 00:05:05,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:05,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:05:05,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:05:05,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:05:05,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:05:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:06,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-26 00:05:06,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:05:06,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:05:06,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:06,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-26 00:05:06,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:06,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:05:06,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:06,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236628571] [2022-11-26 00:05:06,274 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:05:06,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935033439] [2022-11-26 00:05:06,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935033439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:06,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:06,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:05:06,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047141409] [2022-11-26 00:05:06,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:06,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:05:06,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:06,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:05:06,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:05:06,321 INFO L87 Difference]: Start difference. First operand has 1123 states, 609 states have (on average 1.9655172413793103) internal successors, (1197), 1117 states have internal predecessors, (1197), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:09,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:05:10,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:10,178 INFO L93 Difference]: Finished difference Result 3311 states and 6521 transitions. [2022-11-26 00:05:10,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:05:10,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-26 00:05:10,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:10,224 INFO L225 Difference]: With dead ends: 3311 [2022-11-26 00:05:10,225 INFO L226 Difference]: Without dead ends: 2167 [2022-11-26 00:05:10,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:05:10,237 INFO L413 NwaCegarLoop]: 2606 mSDtfsCounter, 1071 mSDsluCounter, 4193 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 6799 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:10,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1571 Valid, 6799 Invalid, 627 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-26 00:05:10,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2022-11-26 00:05:10,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 1111. [2022-11-26 00:05:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 598 states have (on average 1.874581939799331) internal successors, (1121), 1105 states have internal predecessors, (1121), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-26 00:05:10,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2127 transitions. [2022-11-26 00:05:10,885 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2127 transitions. Word has length 4 [2022-11-26 00:05:10,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:10,886 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2127 transitions. [2022-11-26 00:05:10,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:10,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2127 transitions. [2022-11-26 00:05:10,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 00:05:10,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:10,889 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:10,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:05:11,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:05:11,096 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:05:11,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:11,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1223177019, now seen corresponding path program 1 times [2022-11-26 00:05:11,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:11,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312600507] [2022-11-26 00:05:11,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:11,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:11,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:11,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:11,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312600507] [2022-11-26 00:05:11,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312600507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:11,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:11,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:05:11,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774480521] [2022-11-26 00:05:11,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:11,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:05:11,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:11,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:05:11,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:05:11,615 INFO L87 Difference]: Start difference. First operand 1111 states and 2127 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:13,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:13,691 INFO L93 Difference]: Finished difference Result 3200 states and 6229 transitions. [2022-11-26 00:05:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:05:13,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2022-11-26 00:05:13,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:13,710 INFO L225 Difference]: With dead ends: 3200 [2022-11-26 00:05:13,711 INFO L226 Difference]: Without dead ends: 2154 [2022-11-26 00:05:13,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:05:13,717 INFO L413 NwaCegarLoop]: 2598 mSDtfsCounter, 1051 mSDsluCounter, 4177 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 6775 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:13,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 6775 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:05:13,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-11-26 00:05:14,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1111. [2022-11-26 00:05:14,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 598 states have (on average 1.8729096989966556) internal successors, (1120), 1105 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-26 00:05:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2126 transitions. [2022-11-26 00:05:14,123 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2126 transitions. Word has length 20 [2022-11-26 00:05:14,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:14,124 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2126 transitions. [2022-11-26 00:05:14,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:14,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2126 transitions. [2022-11-26 00:05:14,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-26 00:05:14,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:14,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:14,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:05:14,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:05:14,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:14,131 INFO L85 PathProgramCache]: Analyzing trace with hash -374374841, now seen corresponding path program 1 times [2022-11-26 00:05:14,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:14,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400618437] [2022-11-26 00:05:14,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:14,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:14,269 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:05:14,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2085120196] [2022-11-26 00:05:14,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:14,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:05:14,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:05:14,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:05:14,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:05:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:14,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:05:14,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:05:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:15,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:05:15,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:15,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400618437] [2022-11-26 00:05:15,059 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:05:15,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085120196] [2022-11-26 00:05:15,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085120196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:15,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:15,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:05:15,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500287209] [2022-11-26 00:05:15,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:15,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:05:15,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:15,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:05:15,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:05:15,062 INFO L87 Difference]: Start difference. First operand 1111 states and 2126 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) [2022-11-26 00:05:16,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:16,772 INFO L93 Difference]: Finished difference Result 3258 states and 6292 transitions. [2022-11-26 00:05:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:05:16,778 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 [2022-11-26 00:05:16,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:16,785 INFO L225 Difference]: With dead ends: 3258 [2022-11-26 00:05:16,786 INFO L226 Difference]: Without dead ends: 2152 [2022-11-26 00:05:16,788 INFO L412 NwaCegarLoop]: 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 [2022-11-26 00:05:16,789 INFO L413 NwaCegarLoop]: 2622 mSDtfsCounter, 1039 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:16,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 4711 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:05:16,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2022-11-26 00:05:17,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 2148. [2022-11-26 00:05:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2148 states, 1135 states have (on average 1.905726872246696) internal successors, (2163), 2142 states have internal predecessors, (2163), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-26 00:05:17,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 4169 transitions. [2022-11-26 00:05:17,151 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 4169 transitions. Word has length 28 [2022-11-26 00:05:17,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:17,153 INFO L495 AbstractCegarLoop]: Abstraction has 2148 states and 4169 transitions. [2022-11-26 00:05:17,154 INFO L496 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) [2022-11-26 00:05:17,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 4169 transitions. [2022-11-26 00:05:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-26 00:05:17,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:17,158 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:17,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 00:05:17,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-26 00:05:17,367 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:05:17,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:17,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1024648763, now seen corresponding path program 1 times [2022-11-26 00:05:17,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:17,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721620616] [2022-11-26 00:05:17,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:17,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:17,431 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:05:17,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [828043882] [2022-11-26 00:05:17,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:17,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:05:17,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:05:17,433 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:05:17,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:05:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:29,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:05:29,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:05:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:29,163 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:05:29,163 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:29,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721620616] [2022-11-26 00:05:29,164 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:05:29,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828043882] [2022-11-26 00:05:29,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828043882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:29,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:29,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:05:29,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376546704] [2022-11-26 00:05:29,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:29,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:05:29,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:29,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:05:29,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:05:29,174 INFO L87 Difference]: Start difference. First operand 2148 states and 4169 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) [2022-11-26 00:05:31,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:05:32,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:05:32,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:32,636 INFO L93 Difference]: Finished difference Result 4280 states and 8324 transitions. [2022-11-26 00:05:32,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:05:32,643 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 [2022-11-26 00:05:32,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:32,657 INFO L225 Difference]: With dead ends: 4280 [2022-11-26 00:05:32,658 INFO L226 Difference]: Without dead ends: 2150 [2022-11-26 00:05:32,665 INFO L412 NwaCegarLoop]: 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 [2022-11-26 00:05:32,666 INFO L413 NwaCegarLoop]: 2107 mSDtfsCounter, 1 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6317 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:32,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6317 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-26 00:05:32,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2022-11-26 00:05:33,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2150. [2022-11-26 00:05:33,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2150 states, 1136 states have (on average 1.9058098591549295) internal successors, (2165), 2144 states have internal predecessors, (2165), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 3 states have return successors, (1004), 5 states have call predecessors, (1004), 1003 states have call successors, (1004) [2022-11-26 00:05:33,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 4172 transitions. [2022-11-26 00:05:33,147 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 4172 transitions. Word has length 41 [2022-11-26 00:05:33,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:33,148 INFO L495 AbstractCegarLoop]: Abstraction has 2150 states and 4172 transitions. [2022-11-26 00:05:33,148 INFO L496 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) [2022-11-26 00:05:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 4172 transitions. [2022-11-26 00:05:33,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-26 00:05:33,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:33,152 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:33,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:05:33,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:05:33,371 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:05:33,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:33,371 INFO L85 PathProgramCache]: Analyzing trace with hash -821509381, now seen corresponding path program 1 times [2022-11-26 00:05:33,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:33,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293893222] [2022-11-26 00:05:33,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:33,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:33,445 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:05:33,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [791486659] [2022-11-26 00:05:33,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:33,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:05:33,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:05:33,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:05:33,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1459dd1-446c-477a-b595-9e7bb7eb3e97/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:05:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:48,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-26 00:05:48,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:05:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:05:48,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:05:48,344 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:05:48,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:48,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293893222] [2022-11-26 00:05:48,344 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:05:48,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791486659] [2022-11-26 00:05:48,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791486659] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:05:48,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [629065777] [2022-11-26 00:05:48,366 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-26 00:05:48,366 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:05:48,369 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:05:48,375 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:05:48,375 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:05:48,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:05:48,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:48,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-26 00:05:48,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:48,462 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-26 00:05:48,462 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:05:48,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:05:48,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:48,497 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:05:48,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-26 00:05:48,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:05:48,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:48,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:48,568 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:05:48,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-26 00:05:48,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:05:48,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:48,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:48,627 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:05:48,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 00:05:48,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:48,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:48,647 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:05:48,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:05:48,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:48,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:48,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:48,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2022-11-26 00:05:48,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:05:49,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:05:49,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-26 00:05:49,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-26 00:05:49,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:05:49,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:05:49,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:05:49,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:05:49,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:05:49,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:05:49,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,699 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:05:49,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-26 00:05:49,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,727 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:05:49,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:49,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:05:49,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:05:50,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:05:50,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:05:50,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:05:50,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-26 00:05:50,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:05:50,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:05:50,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:05:50,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:05:50,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:05:50,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:05:50,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:05:50,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 00:05:50,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:50,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:05:50,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:05:50,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 00:05:52,383 INFO L217 Elim1Store]: Index analysis took 1437 ms [2022-11-26 00:05:56,656 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-26 00:05:56,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-26 00:05:58,068 INFO L217 Elim1Store]: Index analysis took 1038 ms [2022-11-26 00:05:58,628 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-26 00:05:58,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-26 00:06:07,524 WARN L233 SmtUtils]: Spent 8.73s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:06:07,525 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:06:07,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2154 treesize of output 1649 [2022-11-26 00:06:07,899 INFO L217 Elim1Store]: Index analysis took 208 ms [2022-11-26 00:06:27,893 WARN L233 SmtUtils]: Spent 19.99s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:06:27,893 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:06:27,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2341 treesize of output 2165 [2022-11-26 00:06:29,401 INFO L217 Elim1Store]: Index analysis took 890 ms [2022-11-26 00:06:57,546 WARN L233 SmtUtils]: Spent 27.53s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:06:57,547 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-11-26 00:06:57,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-11-26 00:06:59,678 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:06:59,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-26 00:06:59,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 3 [2022-11-26 00:07:00,240 INFO L217 Elim1Store]: Index analysis took 235 ms [2022-11-26 00:07:01,405 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:07:01,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-26 00:07:02,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:02,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 00:07:02,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:02,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 00:07:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 00:07:02,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 00:07:02,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:02,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-26 00:07:03,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 00:07:05,338 INFO L217 Elim1Store]: Index analysis took 705 ms