./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh --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 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c --- 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-2329fc7 [2022-12-14 10:46:13,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:46:13,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:46:13,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:46:13,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:46:13,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:46:13,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:46:13,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:46:13,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:46:13,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:46:13,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:46:13,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:46:13,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:46:13,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:46:13,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:46:13,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:46:13,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:46:13,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:46:13,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:46:13,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:46:13,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:46:13,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:46:13,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:46:13,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:46:13,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:46:13,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:46:13,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:46:13,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:46:13,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:46:13,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:46:13,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:46:13,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:46:13,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:46:13,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:46:13,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:46:13,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:46:13,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:46:13,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:46:13,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:46:13,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:46:13,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:46:13,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 10:46:13,217 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:46:13,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:46:13,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:46:13,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:46:13,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:46:13,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:46:13,218 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:46:13,219 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:46:13,219 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:46:13,219 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:46:13,219 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:46:13,219 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:46:13,219 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:46:13,219 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:46:13,219 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:46:13,220 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:46:13,220 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:46:13,220 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:46:13,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:46:13,221 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:46:13,221 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:46:13,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:46:13,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:46:13,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:46:13,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:46:13,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:46:13,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:46:13,222 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 10:46:13,222 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:46:13,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:46:13,222 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:46:13,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:46:13,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:46:13,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:46:13,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:46:13,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:46:13,223 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:46:13,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:46:13,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:46:13,223 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:46:13,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:46:13,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:46:13,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:46:13,224 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_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c [2022-12-14 10:46:13,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:46:13,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:46:13,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:46:13,410 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:46:13,411 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:46:13,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2022-12-14 10:46:16,045 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:46:16,263 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:46:16,263 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2022-12-14 10:46:16,273 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/data/daafabf08/95e95592f89a4bdca7103a9c591e60a4/FLAG7f7d0bc64 [2022-12-14 10:46:16,283 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/data/daafabf08/95e95592f89a4bdca7103a9c591e60a4 [2022-12-14 10:46:16,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:46:16,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:46:16,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:46:16,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:46:16,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:46:16,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:46:16" (1/1) ... [2022-12-14 10:46:16,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282c06df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16, skipping insertion in model container [2022-12-14 10:46:16,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:46:16" (1/1) ... [2022-12-14 10:46:16,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:46:16,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:46:16,551 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_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2022-12-14 10:46:16,608 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 10:46:16,615 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_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2022-12-14 10:46:16,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:46:16,626 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:46:16,647 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_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2022-12-14 10:46:16,684 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 10:46:16,689 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_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2022-12-14 10:46:16,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:46:16,714 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:46:16,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16 WrapperNode [2022-12-14 10:46:16,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:46:16,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:46:16,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:46:16,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:46:16,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16" (1/1) ... [2022-12-14 10:46:16,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16" (1/1) ... [2022-12-14 10:46:16,773 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1030 [2022-12-14 10:46:16,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:46:16,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:46:16,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:46:16,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:46:16,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16" (1/1) ... [2022-12-14 10:46:16,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16" (1/1) ... [2022-12-14 10:46:16,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16" (1/1) ... [2022-12-14 10:46:16,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16" (1/1) ... [2022-12-14 10:46:16,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16" (1/1) ... [2022-12-14 10:46:16,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16" (1/1) ... [2022-12-14 10:46:16,824 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16" (1/1) ... [2022-12-14 10:46:16,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16" (1/1) ... [2022-12-14 10:46:16,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:46:16,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:46:16,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:46:16,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:46:16,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16" (1/1) ... [2022-12-14 10:46:16,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:46:16,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:46:16,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:46:16,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:46:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:46:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 10:46:16,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 10:46:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:46:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 10:46:16,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 10:46:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:46:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:46:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:46:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:46:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 10:46:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:46:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:46:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:46:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:46:16,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:46:17,074 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:46:17,077 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:46:18,218 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:46:18,496 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:46:18,497 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-14 10:46:18,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:46:18 BoogieIcfgContainer [2022-12-14 10:46:18,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:46:18,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:46:18,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:46:18,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:46:18,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:46:16" (1/3) ... [2022-12-14 10:46:18,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5325783b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:46:18, skipping insertion in model container [2022-12-14 10:46:18,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:16" (2/3) ... [2022-12-14 10:46:18,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5325783b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:46:18, skipping insertion in model container [2022-12-14 10:46:18,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:46:18" (3/3) ... [2022-12-14 10:46:18,508 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test3-1.i [2022-12-14 10:46:18,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:46:18,524 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-14 10:46:18,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:46:18,580 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;@5693f9f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:46:18,580 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 10:46:18,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 10:46:18,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 10:46:18,589 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:46:18,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 10:46:18,591 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)] === [2022-12-14 10:46:18,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:46:18,595 INFO L85 PathProgramCache]: Analyzing trace with hash 26079428, now seen corresponding path program 1 times [2022-12-14 10:46:18,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:46:18,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062436393] [2022-12-14 10:46:18,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:46:18,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:46:18,709 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:46:18,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887348889] [2022-12-14 10:46:18,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:46:18,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:46:18,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:46:18,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:46:18,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 10:46:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:46:18,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 10:46:18,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:46:18,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:46:18,928 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 [2022-12-14 10:46:18,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:46:18,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 10:46:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:46:18,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:46:18,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:46:18,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062436393] [2022-12-14 10:46:18,974 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:46:18,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887348889] [2022-12-14 10:46:18,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887348889] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:46:18,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:46:18,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:46:18,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141055757] [2022-12-14 10:46:18,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:46:18,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:46:18,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:46:19,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:46:19,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:46:19,012 INFO L87 Difference]: Start difference. First operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) 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) [2022-12-14 10:46:20,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:46:20,422 INFO L93 Difference]: Finished difference Result 334 states and 573 transitions. [2022-12-14 10:46:20,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:46:20,427 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 [2022-12-14 10:46:20,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:46:20,433 INFO L225 Difference]: With dead ends: 334 [2022-12-14 10:46:20,433 INFO L226 Difference]: Without dead ends: 201 [2022-12-14 10:46:20,436 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 [2022-12-14 10:46:20,438 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 74 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:46:20,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 369 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 10:46:20,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-12-14 10:46:20,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 136. [2022-12-14 10:46:20,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 130 states have internal predecessors, (149), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 10:46:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2022-12-14 10:46:20,484 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 4 [2022-12-14 10:46:20,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:46:20,485 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2022-12-14 10:46:20,485 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) [2022-12-14 10:46:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2022-12-14 10:46:20,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 10:46:20,486 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:46:20,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:46:20,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 10:46:20,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 10:46:20,688 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 10:46:20,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:46:20,690 INFO L85 PathProgramCache]: Analyzing trace with hash 114804868, now seen corresponding path program 1 times [2022-12-14 10:46:20,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:46:20,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567761031] [2022-12-14 10:46:20,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:46:20,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:46:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:46:20,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:46:20,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:46:20,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567761031] [2022-12-14 10:46:20,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567761031] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:46:20,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:46:20,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:46:20,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293191203] [2022-12-14 10:46:20,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:46:20,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:46:20,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:46:20,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:46:20,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:46:20,854 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-12-14 10:46:22,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:46:22,305 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2022-12-14 10:46:22,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:46:22,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-12-14 10:46:22,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:46:22,310 INFO L225 Difference]: With dead ends: 266 [2022-12-14 10:46:22,310 INFO L226 Difference]: Without dead ends: 195 [2022-12-14 10:46:22,311 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 [2022-12-14 10:46:22,312 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 68 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:46:22,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 379 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 10:46:22,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-12-14 10:46:22,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 136. [2022-12-14 10:46:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 130 states have internal predecessors, (148), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 10:46:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2022-12-14 10:46:22,323 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 164 transitions. Word has length 9 [2022-12-14 10:46:22,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:46:22,324 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 164 transitions. [2022-12-14 10:46:22,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-12-14 10:46:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2022-12-14 10:46:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 10:46:22,325 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:46:22,325 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] [2022-12-14 10:46:22,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:46:22,325 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)] === [2022-12-14 10:46:22,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:46:22,326 INFO L85 PathProgramCache]: Analyzing trace with hash 462512991, now seen corresponding path program 1 times [2022-12-14 10:46:22,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:46:22,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316299303] [2022-12-14 10:46:22,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:46:22,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:46:22,428 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:46:22,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1019466234] [2022-12-14 10:46:22,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:46:22,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:46:22,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:46:22,430 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:46:22,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 10:46:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:46:22,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 10:46:22,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:46:22,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:46:22,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:46:22,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:46:22,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316299303] [2022-12-14 10:46:22,962 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:46:22,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019466234] [2022-12-14 10:46:22,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019466234] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:46:22,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:46:22,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:46:22,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846889212] [2022-12-14 10:46:22,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:46:22,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:46:22,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:46:22,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:46:22,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:46:22,964 INFO L87 Difference]: Start difference. First operand 136 states and 164 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) [2022-12-14 10:46:23,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:46:23,931 INFO L93 Difference]: Finished difference Result 332 states and 405 transitions. [2022-12-14 10:46:23,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:46:23,934 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 [2022-12-14 10:46:23,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:46:23,935 INFO L225 Difference]: With dead ends: 332 [2022-12-14 10:46:23,935 INFO L226 Difference]: Without dead ends: 201 [2022-12-14 10:46:23,935 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 [2022-12-14 10:46:23,936 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 64 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:46:23,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 300 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 10:46:23,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-12-14 10:46:23,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2022-12-14 10:46:23,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 163 states have (on average 1.2269938650306749) internal successors, (200), 175 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 10:46:23,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2022-12-14 10:46:23,944 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 28 [2022-12-14 10:46:23,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:46:23,944 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2022-12-14 10:46:23,944 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) [2022-12-14 10:46:23,944 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2022-12-14 10:46:23,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 10:46:23,945 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:46:23,945 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] [2022-12-14 10:46:23,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 10:46:24,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:46:24,147 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)] === [2022-12-14 10:46:24,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:46:24,148 INFO L85 PathProgramCache]: Analyzing trace with hash -552686343, now seen corresponding path program 1 times [2022-12-14 10:46:24,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:46:24,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875541751] [2022-12-14 10:46:24,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:46:24,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:46:24,229 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:46:24,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [445315608] [2022-12-14 10:46:24,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:46:24,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:46:24,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:46:24,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:46:24,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 10:46:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:46:35,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 10:46:35,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:46:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:46:35,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:46:35,451 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:46:35,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875541751] [2022-12-14 10:46:35,451 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:46:35,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445315608] [2022-12-14 10:46:35,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445315608] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:46:35,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:46:35,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:46:35,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463581683] [2022-12-14 10:46:35,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:46:35,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:46:35,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:46:35,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:46:35,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:46:35,453 INFO L87 Difference]: Start difference. First operand 181 states and 216 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) [2022-12-14 10:46:36,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:46:36,448 INFO L93 Difference]: Finished difference Result 346 states and 418 transitions. [2022-12-14 10:46:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:46:36,453 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 [2022-12-14 10:46:36,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:46:36,453 INFO L225 Difference]: With dead ends: 346 [2022-12-14 10:46:36,454 INFO L226 Difference]: Without dead ends: 183 [2022-12-14 10:46:36,454 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 [2022-12-14 10:46:36,455 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:46:36,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 419 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 10:46:36,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-12-14 10:46:36,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2022-12-14 10:46:36,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 164 states have (on average 1.2317073170731707) internal successors, (202), 177 states have internal predecessors, (202), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-12-14 10:46:36,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 219 transitions. [2022-12-14 10:46:36,464 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 219 transitions. Word has length 41 [2022-12-14 10:46:36,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:46:36,464 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 219 transitions. [2022-12-14 10:46:36,464 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) [2022-12-14 10:46:36,464 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 219 transitions. [2022-12-14 10:46:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 10:46:36,465 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:46:36,465 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] [2022-12-14 10:46:36,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 10:46:36,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:46:36,666 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)] === [2022-12-14 10:46:36,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:46:36,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1460329117, now seen corresponding path program 1 times [2022-12-14 10:46:36,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:46:36,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432009731] [2022-12-14 10:46:36,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:46:36,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:46:36,758 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:46:36,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971519635] [2022-12-14 10:46:36,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:46:36,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:46:36,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:46:36,759 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:46:36,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb0ae1dc-1f7c-44bd-a609-6ebe1db95ecf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 10:47:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:47:00,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 10:47:00,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:47:00,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 10:47:00,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:47:00,780 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 10:47:00,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:47:00,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432009731] [2022-12-14 10:47:00,780 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:47:00,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971519635] [2022-12-14 10:47:00,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971519635] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:47:00,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [352846563] [2022-12-14 10:47:00,799 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-12-14 10:47:00,800 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:47:00,803 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:47:00,808 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:47:00,808 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:47:00,860 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 [2022-12-14 10:47:00,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:00,866 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 [2022-12-14 10:47:00,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:00,884 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 10:47:00,885 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 [2022-12-14 10:47:00,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:00,904 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 10:47:00,905 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 [2022-12-14 10:47:00,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:47:00,939 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 [2022-12-14 10:47:00,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:00,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:00,961 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 10:47:00,962 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 [2022-12-14 10:47:00,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:00,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:00,973 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 [2022-12-14 10:47:00,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:00,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:00,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 10:47:00,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:47:01,029 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 [2022-12-14 10:47:01,035 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 [2022-12-14 10:47:01,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,047 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 [2022-12-14 10:47:01,382 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 [2022-12-14 10:47:01,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,424 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 [2022-12-14 10:47:01,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,464 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 9896993 treesize of output 5376298 [2022-12-14 10:47:01,495 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 [2022-12-14 10:47:01,531 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 [2022-12-14 10:47:01,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,582 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 [2022-12-14 10:47:01,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,634 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 [2022-12-14 10:47:01,664 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 [2022-12-14 10:47:01,729 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 [2022-12-14 10:47:01,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,784 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 10:47:01,785 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 [2022-12-14 10:47:01,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,802 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 [2022-12-14 10:47:01,824 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 [2022-12-14 10:47:01,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:01,858 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 [2022-12-14 10:47:01,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:47:01,997 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 [2022-12-14 10:47:02,001 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 [2022-12-14 10:47:02,039 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:47:02,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-12-14 10:47:02,064 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 10:47:02,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-12-14 10:47:02,084 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:47:02,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 10:47:02,115 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 [2022-12-14 10:47:02,120 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 [2022-12-14 10:47:02,125 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 [2022-12-14 10:47:02,207 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 [2022-12-14 10:47:02,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,254 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 [2022-12-14 10:47:02,279 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 [2022-12-14 10:47:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:02,434 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 [2022-12-14 10:47:02,457 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 [2022-12-14 10:47:02,471 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 [2022-12-14 10:47:03,890 INFO L217 Elim1Store]: Index analysis took 1216 ms [2022-12-14 10:47:06,773 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-12-14 10:47:06,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-12-14 10:47:09,134 INFO L217 Elim1Store]: Index analysis took 2228 ms [2022-12-14 10:47:12,963 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-12-14 10:47:12,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519780 [2022-12-14 10:47:18,445 WARN L233 SmtUtils]: Spent 5.28s 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) [2022-12-14 10:47:18,446 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 10:47:18,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-12-14 10:47:32,392 WARN L233 SmtUtils]: Spent 13.82s 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) [2022-12-14 10:47:32,393 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 10:47:32,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-12-14 10:47:32,918 INFO L217 Elim1Store]: Index analysis took 406 ms [2022-12-14 10:47:45,734 WARN L233 SmtUtils]: Spent 12.46s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 10:47:45,735 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 10:47:45,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 10:47:47,089 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 10:47:47,089 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 3 case distinctions, treesize of input 91 treesize of output 73 [2022-12-14 10:47:47,167 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 [2022-12-14 10:47:47,714 INFO L217 Elim1Store]: Index analysis took 271 ms [2022-12-14 10:47:48,582 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:47:48,583 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 [2022-12-14 10:47:49,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:47:49,601 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 [2022-12-14 10:47:49,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:49,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:47:49,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 10:47:49,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:49,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 10:47:49,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:49,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:47:49,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 10:47:49,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:49,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 10:47:54,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:54,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 10:47:54,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:47:54,077 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 [2022-12-14 10:48:14,601 INFO L217 Elim1Store]: Index analysis took 1199 ms [2022-12-14 11:00:36,486 WARN L233 SmtUtils]: Spent 12.36m on a formula simplification. DAG size of input: 525 DAG size of output: 124 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:00:36,487 INFO L321 Elim1Store]: treesize reduction 241907, result has 1.8 percent of original size [2022-12-14 11:00:36,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 18 new quantified variables, introduced 95 case distinctions, treesize of input 2113482 treesize of output 1659256