./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P --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 08dbe1d8baf218c90d79c7aa96b8d857526ff0e474f0acb076b8cd9ca4d11ff2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:12:26,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:12:26,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:12:26,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:12:26,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:12:26,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:12:26,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:12:26,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:12:26,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:12:26,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:12:26,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:12:26,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:12:26,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:12:26,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:12:26,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:12:26,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:12:26,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:12:26,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:12:26,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:12:26,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:12:26,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:12:26,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:12:26,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:12:26,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:12:26,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:12:26,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:12:26,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:12:26,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:12:26,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:12:26,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:12:26,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:12:26,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:12:26,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:12:26,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:12:26,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:12:26,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:12:26,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:12:26,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:12:26,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:12:26,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:12:26,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:12:26,145 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:12:26,195 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:12:26,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:12:26,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:12:26,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:12:26,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:12:26,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:12:26,197 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:12:26,197 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:12:26,197 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:12:26,198 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:12:26,198 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:12:26,198 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:12:26,198 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:12:26,199 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:12:26,199 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:12:26,199 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:12:26,199 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:12:26,200 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:12:26,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:12:26,201 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:12:26,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:12:26,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:12:26,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:12:26,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:12:26,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:12:26,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:12:26,202 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:12:26,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:12:26,203 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:12:26,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:12:26,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:12:26,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:12:26,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:12:26,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:12:26,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:12:26,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:12:26,205 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:12:26,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:12:26,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:12:26,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:12:26,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:12:26,206 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08dbe1d8baf218c90d79c7aa96b8d857526ff0e474f0acb076b8cd9ca4d11ff2 [2021-11-21 01:12:26,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:12:26,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:12:26,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:12:26,455 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:12:26,456 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:12:26,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i [2021-11-21 01:12:26,556 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/data/81d33f7fa/eeb8a66a25e2493eb0a4942cf0ca04ab/FLAG016813af7 [2021-11-21 01:12:27,110 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:12:27,111 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i [2021-11-21 01:12:27,142 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/data/81d33f7fa/eeb8a66a25e2493eb0a4942cf0ca04ab/FLAG016813af7 [2021-11-21 01:12:27,372 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/data/81d33f7fa/eeb8a66a25e2493eb0a4942cf0ca04ab [2021-11-21 01:12:27,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:12:27,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:12:27,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:12:27,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:12:27,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:12:27,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:12:27" (1/1) ... [2021-11-21 01:12:27,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61dcd903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:27, skipping insertion in model container [2021-11-21 01:12:27,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:12:27" (1/1) ... [2021-11-21 01:12:27,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:12:27,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:12:27,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i[33021,33034] [2021-11-21 01:12:27,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:12:27,996 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:12:28,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i[33021,33034] [2021-11-21 01:12:28,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:12:28,136 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:12:28,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:28 WrapperNode [2021-11-21 01:12:28,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:12:28,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:12:28,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:12:28,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:12:28,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:28" (1/1) ... [2021-11-21 01:12:28,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:28" (1/1) ... [2021-11-21 01:12:28,277 INFO L137 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1153 [2021-11-21 01:12:28,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:12:28,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:12:28,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:12:28,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:12:28,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:28" (1/1) ... [2021-11-21 01:12:28,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:28" (1/1) ... [2021-11-21 01:12:28,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:28" (1/1) ... [2021-11-21 01:12:28,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:28" (1/1) ... [2021-11-21 01:12:28,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:28" (1/1) ... [2021-11-21 01:12:28,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:28" (1/1) ... [2021-11-21 01:12:28,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:28" (1/1) ... [2021-11-21 01:12:28,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:12:28,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:12:28,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:12:28,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:12:28,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:28" (1/1) ... [2021-11-21 01:12:28,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:12:28,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:28,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:12:28,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:12:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:12:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:12:28,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:12:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:12:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:12:28,526 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:12:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:12:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:12:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:12:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:12:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:12:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:12:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:12:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:12:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:12:28,726 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:12:28,728 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:12:30,075 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:12:30,537 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:12:30,537 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-21 01:12:30,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:12:30 BoogieIcfgContainer [2021-11-21 01:12:30,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:12:30,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:12:30,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:12:30,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:12:30,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:12:27" (1/3) ... [2021-11-21 01:12:30,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57af750d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:12:30, skipping insertion in model container [2021-11-21 01:12:30,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:28" (2/3) ... [2021-11-21 01:12:30,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57af750d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:12:30, skipping insertion in model container [2021-11-21 01:12:30,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:12:30" (3/3) ... [2021-11-21 01:12:30,550 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test4-1.i [2021-11-21 01:12:30,556 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:12:30,556 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:12:30,638 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:12:30,653 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:12:30,656 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:12:30,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 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) [2021-11-21 01:12:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:12:30,682 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:30,682 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:30,683 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:12:30,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:30,688 INFO L85 PathProgramCache]: Analyzing trace with hash 932638747, now seen corresponding path program 1 times [2021-11-21 01:12:30,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:30,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296847275] [2021-11-21 01:12:30,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:30,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:30,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:12:30,917 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:30,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296847275] [2021-11-21 01:12:30,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296847275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:30,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:12:30,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:12:30,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690485465] [2021-11-21 01:12:30,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:30,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:12:30,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:30,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:12:30,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:12:30,968 INFO L87 Difference]: Start difference. First operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 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) [2021-11-21 01:12:33,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:33,235 INFO L93 Difference]: Finished difference Result 347 states and 628 transitions. [2021-11-21 01:12:33,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:12:33,248 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 [2021-11-21 01:12:33,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:33,260 INFO L225 Difference]: With dead ends: 347 [2021-11-21 01:12:33,261 INFO L226 Difference]: Without dead ends: 220 [2021-11-21 01:12:33,265 INFO L932 BasicCegarLoop]: 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 [2021-11-21 01:12:33,269 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 97 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:33,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 305 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-21 01:12:33,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-21 01:12:33,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-21 01:12:33,326 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) [2021-11-21 01:12:33,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-21 01:12:33,330 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-21 01:12:33,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:33,331 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-21 01:12:33,331 INFO L471 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) [2021-11-21 01:12:33,331 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 01:12:33,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:12:33,335 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:33,335 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:33,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:12:33,336 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:12:33,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:33,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1435055736, now seen corresponding path program 1 times [2021-11-21 01:12:33,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:33,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293161934] [2021-11-21 01:12:33,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:33,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:33,361 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:12:33,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [703185490] [2021-11-21 01:12:33,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:33,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:33,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:33,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:12:33,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:12:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:33,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:12:33,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:12:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:12:33,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:12:34,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:12:34,094 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:34,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293161934] [2021-11-21 01:12:34,094 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:12:34,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703185490] [2021-11-21 01:12:34,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703185490] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:12:34,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1789665443] [2021-11-21 01:12:34,132 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-21 01:12:34,132 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:12:34,138 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:12:34,146 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:12:34,146 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:12:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:34,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:34,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:34,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:12:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:34,454 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:12:34,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:12:34,534 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:12:34,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:34,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:34,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:34,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:35,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:35,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:12:35,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:35,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:12:36,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:36,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:36,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:36,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:36,177 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:12:36,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:36,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:36,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:36,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:36,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:36,298 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:12:36,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:36,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:36,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:12:36,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:37,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:12:37,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:12:37,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:37,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:37,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:37,733 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:12:38,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1789665443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:38,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:12:38,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 01:12:38,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501370587] [2021-11-21 01:12:38,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:38,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:12:38,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:38,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:12:38,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:12:38,335 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) [2021-11-21 01:12:42,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:42,625 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-21 01:12:42,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:12:42,626 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 [2021-11-21 01:12:42,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:42,628 INFO L225 Difference]: With dead ends: 265 [2021-11-21 01:12:42,628 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 01:12:42,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:12:42,631 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:42,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 375 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-21 01:12:42,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 01:12:42,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-21 01:12:42,672 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) [2021-11-21 01:12:42,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 01:12:42,679 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-21 01:12:42,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:42,680 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 01:12:42,680 INFO L471 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) [2021-11-21 01:12:42,680 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 01:12:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 01:12:42,684 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:42,684 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:42,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 01:12:42,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:42,909 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:12:42,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:42,909 INFO L85 PathProgramCache]: Analyzing trace with hash 886940783, now seen corresponding path program 1 times [2021-11-21 01:12:42,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:42,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452403441] [2021-11-21 01:12:42,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:42,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:42,941 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:12:42,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [678964627] [2021-11-21 01:12:42,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:42,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:42,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:42,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:12:42,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:12:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:43,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:12:43,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:12:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:12:43,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:12:43,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:12:43,587 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:43,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452403441] [2021-11-21 01:12:43,587 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:12:43,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678964627] [2021-11-21 01:12:43,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678964627] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:12:43,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [913841494] [2021-11-21 01:12:43,592 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:12:43,593 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:12:43,593 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:12:43,593 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:12:43,594 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:12:43,820 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:12:43,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:43,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:43,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:43,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:43,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:43,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:43,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:43,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:12:43,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:44,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:44,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:44,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:44,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:44,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:44,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:44,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:44,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:45,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:12:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:12:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 01:12:45,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:45,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:45,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:12:45,426 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:12:45,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:12:45,477 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:12:45,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:12:45,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:12:45,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:45,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:12:46,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:46,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:46,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:46,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:46,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:46,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:12:46,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:46,515 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:12:46,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:12:46,563 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:12:46,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:46,613 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:12:46,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:47,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:12:47,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:12:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:47,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:47,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:47,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:48,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:12:48,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:12:48,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:12:48,230 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:12:48,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:12:48,265 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:12:48,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:12:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:12:48,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:48,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:12:49,232 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-21 01:12:49,481 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:12:50,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [913841494] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:50,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:12:50,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 01:12:50,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997192941] [2021-11-21 01:12:50,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:50,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:12:50,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:50,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:12:50,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:12:50,488 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) [2021-11-21 01:12:52,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:52,516 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-21 01:12:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 01:12:52,517 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 [2021-11-21 01:12:52,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:52,519 INFO L225 Difference]: With dead ends: 267 [2021-11-21 01:12:52,519 INFO L226 Difference]: Without dead ends: 142 [2021-11-21 01:12:52,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:12:52,522 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 12 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 75 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:52,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 359 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 97 Invalid, 0 Unknown, 75 Unchecked, 2.0s Time] [2021-11-21 01:12:52,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-21 01:12:52,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-21 01:12:52,538 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) [2021-11-21 01:12:52,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-21 01:12:52,540 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-21 01:12:52,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:52,540 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-21 01:12:52,541 INFO L471 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) [2021-11-21 01:12:52,541 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-21 01:12:52,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 01:12:52,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:52,544 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:52,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:12:52,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:52,762 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:12:52,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:52,762 INFO L85 PathProgramCache]: Analyzing trace with hash -666566505, now seen corresponding path program 1 times [2021-11-21 01:12:52,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:52,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464342697] [2021-11-21 01:12:52,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:52,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:52,790 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:12:52,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1314465687] [2021-11-21 01:12:52,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:52,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:52,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:52,793 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:12:52,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dbbb1f-16eb-41ab-a093-54c01983142f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:12:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:52,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:12:53,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:12:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:12:53,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:12:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:12:53,336 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:53,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464342697] [2021-11-21 01:12:53,337 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:12:53,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314465687] [2021-11-21 01:12:53,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314465687] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:12:53,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1615764687] [2021-11-21 01:12:53,341 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:12:53,341 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:12:53,342 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:12:53,342 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:12:53,342 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:12:53,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:53,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:12:53,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:53,485 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:12:53,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:12:53,536 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:12:53,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:53,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:53,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:53,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:53,670 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:12:53,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:12:54,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:54,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:54,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:12:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:12:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:55,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:55,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 01:12:55,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:12:55,420 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:12:55,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:12:55,477 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:12:55,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:12:55,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:12:55,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:12:55,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:12:56,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:12:56,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:12:56,050 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:12:56,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-21 01:12:56,076 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:12:56,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-21 01:12:56,096 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:12:56,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-21 01:12:56,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:12:56,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:12:56,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:12:56,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:12:56,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:12:56,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:12:56,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:12:56,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:12:56,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:56,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:13:04,662 WARN L227 SmtUtils]: Spent 7.84s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:13:04,663 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:13:04,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2837 treesize of output 2314 [2021-11-21 01:13:04,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:15,034 WARN L227 SmtUtils]: Spent 10.34s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:13:15,034 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:13:15,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2938 treesize of output 2656 [2021-11-21 01:13:26,901 WARN L227 SmtUtils]: Spent 11.74s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:13:26,902 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:13:26,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2842 treesize of output 2672 [2021-11-21 01:13:27,720 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:13:27,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25940 treesize of output 25951 [2021-11-21 01:13:28,600 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 01:13:28,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25939 treesize of output 25951 [2021-11-21 01:13:30,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:30,863 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:13:30,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:13:31,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:32,107 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:13:32,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44