./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/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_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e095bb5ea0d924a9f9ab04ab393eec77de9b1aa4e50357711d33ebab16e651dd --- 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 11:49:05,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:49:05,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:49:05,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:49:05,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:49:05,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:49:05,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:49:05,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:49:05,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:49:05,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:49:05,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:49:05,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:49:05,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:49:05,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:49:05,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:49:05,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:49:05,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:49:05,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:49:05,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:49:05,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:49:05,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:49:05,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:49:05,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:49:05,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:49:05,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:49:05,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:49:05,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:49:05,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:49:05,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:49:05,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:49:05,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:49:05,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:49:05,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:49:05,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:49:05,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:49:05,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:49:05,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:49:05,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:49:05,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:49:05,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:49:05,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:49:05,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 11:49:05,211 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:49:05,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:49:05,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:49:05,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:49:05,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:49:05,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:49:05,213 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:49:05,213 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:49:05,213 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:49:05,214 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:49:05,214 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:49:05,214 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:49:05,214 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:49:05,214 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:49:05,215 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:49:05,215 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:49:05,215 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:49:05,215 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:49:05,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:49:05,216 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:49:05,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:49:05,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:49:05,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:49:05,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:49:05,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:49:05,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:49:05,217 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:49:05,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:49:05,218 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:49:05,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:49:05,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:49:05,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:49:05,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:49:05,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:49:05,219 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:49:05,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:49:05,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:49:05,219 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:49:05,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:49:05,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:49:05,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:49:05,220 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_debc8a9d-c144-4349-b387-cdbd25e81217/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e095bb5ea0d924a9f9ab04ab393eec77de9b1aa4e50357711d33ebab16e651dd [2022-12-14 11:49:05,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:49:05,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:49:05,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:49:05,429 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:49:05,430 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:49:05,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i [2022-12-14 11:49:08,024 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:49:08,243 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:49:08,244 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i [2022-12-14 11:49:08,255 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/data/73a7e602f/28f8fd80827b41a59463bd7a3e473e71/FLAGb2d0129ce [2022-12-14 11:49:08,605 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/data/73a7e602f/28f8fd80827b41a59463bd7a3e473e71 [2022-12-14 11:49:08,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:49:08,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:49:08,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:49:08,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:49:08,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:49:08,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:49:08" (1/1) ... [2022-12-14 11:49:08,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd3f2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:08, skipping insertion in model container [2022-12-14 11:49:08,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:49:08" (1/1) ... [2022-12-14 11:49:08,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:49:08,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:49:08,915 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_debc8a9d-c144-4349-b387-cdbd25e81217/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i[33021,33034] [2022-12-14 11:49:08,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:49:09,002 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:49:09,023 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_debc8a9d-c144-4349-b387-cdbd25e81217/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i[33021,33034] [2022-12-14 11:49:09,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:49:09,094 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:49:09,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:09 WrapperNode [2022-12-14 11:49:09,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:49:09,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:49:09,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:49:09,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:49:09,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:09" (1/1) ... [2022-12-14 11:49:09,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:09" (1/1) ... [2022-12-14 11:49:09,161 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-12-14 11:49:09,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:49:09,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:49:09,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:49:09,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:49:09,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:09" (1/1) ... [2022-12-14 11:49:09,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:09" (1/1) ... [2022-12-14 11:49:09,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:09" (1/1) ... [2022-12-14 11:49:09,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:09" (1/1) ... [2022-12-14 11:49:09,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:09" (1/1) ... [2022-12-14 11:49:09,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:09" (1/1) ... [2022-12-14 11:49:09,221 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:09" (1/1) ... [2022-12-14 11:49:09,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:09" (1/1) ... [2022-12-14 11:49:09,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:49:09,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:49:09,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:49:09,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:49:09,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:09" (1/1) ... [2022-12-14 11:49:09,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:49:09,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:49:09,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:49:09,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:49:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:49:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 11:49:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 11:49:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:49:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 11:49:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 11:49:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:49:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:49:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:49:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:49:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 11:49:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:49:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:49:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:49:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:49:09,496 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:49:09,498 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:49:10,600 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:49:10,983 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:49:10,983 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-12-14 11:49:10,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:49:10 BoogieIcfgContainer [2022-12-14 11:49:10,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:49:10,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:49:10,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:49:10,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:49:10,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:49:08" (1/3) ... [2022-12-14 11:49:10,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7e6170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:49:10, skipping insertion in model container [2022-12-14 11:49:10,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:49:09" (2/3) ... [2022-12-14 11:49:10,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7e6170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:49:10, skipping insertion in model container [2022-12-14 11:49:10,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:49:10" (3/3) ... [2022-12-14 11:49:10,994 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-2.i [2022-12-14 11:49:11,013 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:49:11,013 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 11:49:11,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:49:11,084 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;@302bf778, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:49:11,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 11:49:11,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 11:49:11,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 11:49:11,095 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:49:11,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:49:11,096 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:49:11,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:49:11,100 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-12-14 11:49:11,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:49:11,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595234891] [2022-12-14 11:49:11,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:49:11,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:49:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:49:11,241 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 11:49:11,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:49:11,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595234891] [2022-12-14 11:49:11,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595234891] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:49:11,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:49:11,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:49:11,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443090787] [2022-12-14 11:49:11,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:49:11,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:49:11,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:49:11,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:49:11,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:49:11,274 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:49:12,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:49:12,351 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-12-14 11:49:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:49:12,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 11:49:12,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:49:12,363 INFO L225 Difference]: With dead ends: 375 [2022-12-14 11:49:12,363 INFO L226 Difference]: Without dead ends: 220 [2022-12-14 11:49:12,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:49:12,367 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:49:12,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 11:49:12,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-12-14 11:49:12,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-12-14 11:49:12,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 11:49:12,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-12-14 11:49:12,400 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-12-14 11:49:12,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:49:12,400 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-12-14 11:49:12,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:49:12,401 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-12-14 11:49:12,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 11:49:12,402 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:49:12,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:49:12,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:49:12,403 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:49:12,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:49:12,403 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-12-14 11:49:12,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:49:12,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512023867] [2022-12-14 11:49:12,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:49:12,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:49:12,610 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:49:12,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063829496] [2022-12-14 11:49:12,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:49:12,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:49:12,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:49:12,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:49:12,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 11:49:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:49:13,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 11:49:13,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:49:13,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:49:13,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:49:13,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:49:13,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:49:13,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512023867] [2022-12-14 11:49:13,684 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:49:13,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063829496] [2022-12-14 11:49:13,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063829496] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:49:13,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1777606644] [2022-12-14 11:49:13,704 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-12-14 11:49:13,704 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:49:13,708 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:49:13,712 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:49:13,713 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:49:13,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:13,843 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 22 treesize of output 7 [2022-12-14 11:49:13,875 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:49:13,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 11:49:13,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:13,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 11:49:13,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 11:49:13,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:13,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:13,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 11:49:14,275 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 11:49:14,295 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 11:49:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 11:49:14,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 11:49:14,445 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 11:49:14,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 11:49:14,477 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:49:14,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 11:49:14,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 11:49:14,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:14,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 11:49:14,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 11:49:14,851 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 11:49:14,867 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 11:49:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 11:49:14,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:14,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 11:49:14,984 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:49:29,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1777606644] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:49:29,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 11:49:29,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 11:49:29,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532671897] [2022-12-14 11:49:29,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:49:29,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:49:29,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:49:29,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:49:29,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 11:49:29,390 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:49:34,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:49:36,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:49:38,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:49:40,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:49:40,366 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-12-14 11:49:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 11:49:40,367 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-12-14 11:49:40,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:49:40,368 INFO L225 Difference]: With dead ends: 265 [2022-12-14 11:49:40,368 INFO L226 Difference]: Without dead ends: 140 [2022-12-14 11:49:40,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 11:49:40,369 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 2 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:49:40,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 265 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-12-14 11:49:40,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-12-14 11:49:40,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-12-14 11:49:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 11:49:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-12-14 11:49:40,382 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-12-14 11:49:40,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:49:40,382 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-12-14 11:49:40,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:49:40,382 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-12-14 11:49:40,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 11:49:40,383 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:49:40,384 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:49:40,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:49:40,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:49:40,586 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:49:40,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:49:40,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-12-14 11:49:40,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:49:40,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89759057] [2022-12-14 11:49:40,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:49:40,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:49:40,746 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:49:40,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1420592080] [2022-12-14 11:49:40,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:49:40,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:49:40,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:49:40,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:49:40,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 11:49:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:49:41,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 11:49:41,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:49:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 11:49:41,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:49:41,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 11:49:41,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:49:41,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89759057] [2022-12-14 11:49:41,614 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:49:41,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420592080] [2022-12-14 11:49:41,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420592080] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:49:41,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1398427201] [2022-12-14 11:49:41,619 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 11:49:41,619 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:49:41,620 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:49:41,620 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:49:41,620 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:49:41,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:41,691 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 22 treesize of output 7 [2022-12-14 11:49:41,717 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 11:49:41,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 11:49:41,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:41,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:41,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:41,741 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:49:41,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 11:49:41,779 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:49:41,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 11:49:41,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:41,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 11:49:42,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 11:49:42,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 11:49:42,125 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 11:49:42,139 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 11:49:42,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:49:42,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:49:42,274 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 11:49:42,284 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 11:49:42,330 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 11:49:42,375 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 11:49:42,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 11:49:42,433 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 11:49:42,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 11:49:42,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:49:42,509 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 11:49:42,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:42,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,711 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:49:42,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 11:49:42,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,724 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 22 treesize of output 7 [2022-12-14 11:49:42,754 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:49:42,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 11:49:42,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 11:49:42,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:42,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 11:49:43,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 11:49:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 11:49:43,152 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 11:49:43,165 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 11:49:43,192 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 11:49:43,200 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 11:49:43,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:49:43,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:49:43,325 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 11:49:43,372 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 11:49:43,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 11:49:43,382 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 28 treesize of output 36 [2022-12-14 11:49:43,396 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 11:49:43,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:43,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:49:43,651 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 11:49:43,728 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:49:57,238 WARN L233 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:50:06,775 WARN L233 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:50:19,277 WARN L233 SmtUtils]: Spent 6.36s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:50:32,421 WARN L233 SmtUtils]: Spent 7.00s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:50:32,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1398427201] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:50:32,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 11:50:32,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 11:50:32,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169520892] [2022-12-14 11:50:32,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:50:32,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:50:32,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:50:32,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:50:32,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 11:50:32,900 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 11:50:35,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:50:37,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:50:39,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:50:41,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:50:43,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:50:45,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:50:47,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:50:49,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:50:51,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:50:56,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:50:57,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:50:57,434 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-12-14 11:50:57,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:50:57,434 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-12-14 11:50:57,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:50:57,437 INFO L225 Difference]: With dead ends: 267 [2022-12-14 11:50:57,437 INFO L226 Difference]: Without dead ends: 142 [2022-12-14 11:50:57,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 49.2s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 11:50:57,438 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:50:57,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 452 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 249 Invalid, 9 Unknown, 0 Unchecked, 24.5s Time] [2022-12-14 11:50:57,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-14 11:50:57,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-12-14 11:50:57,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-14 11:50:57,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-12-14 11:50:57,459 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-12-14 11:50:57,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:50:57,460 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-12-14 11:50:57,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 11:50:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-12-14 11:50:57,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 11:50:57,461 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:50:57,461 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:50:57,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 11:50:57,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:50:57,663 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:50:57,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:50:57,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-12-14 11:50:57,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:50:57,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975026959] [2022-12-14 11:50:57,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:50:57,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:50:57,795 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:50:57,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [214337930] [2022-12-14 11:50:57,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:50:57,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:50:57,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:50:57,797 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:50:57,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc8a9d-c144-4349-b387-cdbd25e81217/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 11:50:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:50:58,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 11:50:58,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:50:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 11:50:58,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:50:58,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 11:50:58,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:50:58,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975026959] [2022-12-14 11:50:58,582 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:50:58,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214337930] [2022-12-14 11:50:58,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214337930] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:50:58,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1549380867] [2022-12-14 11:50:58,586 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 11:50:58,586 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:50:58,586 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:50:58,586 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:50:58,586 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:50:58,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,648 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 22 treesize of output 7 [2022-12-14 11:50:58,679 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:50:58,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 11:50:58,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 11:50:58,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 11:50:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:50:58,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 11:50:58,879 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 11:50:58,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 11:50:58,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:58,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 11:50:58,962 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 11:50:58,981 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 11:50:58,989 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 11:50:59,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:50:59,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:50:59,106 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 11:50:59,149 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 11:50:59,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 11:50:59,161 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 28 treesize of output 36 [2022-12-14 11:50:59,178 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 11:50:59,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:50:59,307 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 11:50:59,310 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 11:50:59,315 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 11:50:59,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 11:50:59,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 11:50:59,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 11:50:59,356 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 11:50:59,360 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 11:50:59,364 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 11:50:59,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 11:50:59,441 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 11:50:59,459 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 11:50:59,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:50:59,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 11:50:59,626 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 11:50:59,641 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 11:51:00,528 INFO L217 Elim1Store]: Index analysis took 712 ms [2022-12-14 11:51:04,114 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 11:51:04,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-12-14 11:51:04,863 INFO L217 Elim1Store]: Index analysis took 473 ms [2022-12-14 11:51:09,328 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 11:51:09,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-12-14 11:51:20,547 WARN L233 SmtUtils]: Spent 11.18s 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 11:51:20,548 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 11:51:20,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 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 11:51:38,553 WARN L233 SmtUtils]: Spent 17.85s 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 11:51:38,553 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 11:51:38,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-12-14 11:51:39,078 INFO L217 Elim1Store]: Index analysis took 427 ms [2022-12-14 11:51:54,118 WARN L233 SmtUtils]: Spent 14.69s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:51:54,119 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 11:51:54,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 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 11:51:55,370 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 11:51:55,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 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 11:51:55,426 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 11:51:55,914 INFO L217 Elim1Store]: Index analysis took 393 ms [2022-12-14 11:51:56,609 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:51:56,609 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 11:52:01,083 INFO L217 Elim1Store]: Index analysis took 329 ms