./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e095bb5ea0d924a9f9ab04ab393eec77de9b1aa4e50357711d33ebab16e651dd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:17:25,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:17:25,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:17:25,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:17:25,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:17:25,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:17:25,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:17:25,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:17:25,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:17:25,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:17:25,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:17:25,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:17:25,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:17:25,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:17:25,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:17:25,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:17:25,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:17:25,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:17:25,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:17:25,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:17:25,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:17:25,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:17:25,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:17:25,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:17:25,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:17:25,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:17:25,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:17:25,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:17:25,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:17:25,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:17:25,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:17:25,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:17:25,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:17:25,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:17:25,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:17:25,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:17:25,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:17:25,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:17:25,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:17:25,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:17:25,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:17:25,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:17:25,445 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:17:25,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:17:25,450 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:17:25,450 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:17:25,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:17:25,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:17:25,452 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:17:25,452 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:17:25,452 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:17:25,453 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:17:25,453 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:17:25,453 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:17:25,453 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:17:25,455 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:17:25,455 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:17:25,455 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:17:25,456 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:17:25,456 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:17:25,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:17:25,458 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:17:25,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:17:25,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:17:25,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:17:25,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:17:25,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:17:25,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:17:25,462 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:17:25,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:17:25,462 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:17:25,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:17:25,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:17:25,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:17:25,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:17:25,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:17:25,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:17:25,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:17:25,465 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:17:25,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:17:25,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:17:25,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:17:25,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:17:25,466 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_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e095bb5ea0d924a9f9ab04ab393eec77de9b1aa4e50357711d33ebab16e651dd [2021-11-23 02:17:25,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:17:25,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:17:25,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:17:25,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:17:25,818 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:17:25,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i [2021-11-23 02:17:25,912 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/data/bdf999206/f97420a3cd7845129baf17a3001726da/FLAG2e45cbc30 [2021-11-23 02:17:26,600 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:17:26,601 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i [2021-11-23 02:17:26,644 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/data/bdf999206/f97420a3cd7845129baf17a3001726da/FLAG2e45cbc30 [2021-11-23 02:17:26,821 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/data/bdf999206/f97420a3cd7845129baf17a3001726da [2021-11-23 02:17:26,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:17:26,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:17:26,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:17:26,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:17:26,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:17:26,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:17:26" (1/1) ... [2021-11-23 02:17:26,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44249a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:26, skipping insertion in model container [2021-11-23 02:17:26,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:17:26" (1/1) ... [2021-11-23 02:17:26,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:17:26,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:17:27,482 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_97f223af-b1d9-4498-8a92-8212204e4805/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i[33021,33034] [2021-11-23 02:17:27,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:17:27,665 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:17:27,701 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_97f223af-b1d9-4498-8a92-8212204e4805/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i[33021,33034] [2021-11-23 02:17:27,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:17:27,929 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:17:27,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:27 WrapperNode [2021-11-23 02:17:27,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:17:27,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:17:27,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:17:27,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:17:27,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:27" (1/1) ... [2021-11-23 02:17:27,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:27" (1/1) ... [2021-11-23 02:17:28,118 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-23 02:17:28,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:17:28,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:17:28,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:17:28,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:17:28,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:27" (1/1) ... [2021-11-23 02:17:28,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:27" (1/1) ... [2021-11-23 02:17:28,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:27" (1/1) ... [2021-11-23 02:17:28,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:27" (1/1) ... [2021-11-23 02:17:28,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:27" (1/1) ... [2021-11-23 02:17:28,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:27" (1/1) ... [2021-11-23 02:17:28,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:27" (1/1) ... [2021-11-23 02:17:28,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:17:28,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:17:28,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:17:28,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:17:28,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:27" (1/1) ... [2021-11-23 02:17:28,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:17:28,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:17:28,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:17:28,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:17:28,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:17:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:17:28,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:17:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:17:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:17:28,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:17:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:17:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:17:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:17:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:17:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:17:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:17:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:17:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:17:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:17:28,713 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:17:28,715 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:17:30,210 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:17:30,807 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:17:30,807 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-23 02:17:30,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:17:30 BoogieIcfgContainer [2021-11-23 02:17:30,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:17:30,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:17:30,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:17:30,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:17:30,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:17:26" (1/3) ... [2021-11-23 02:17:30,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1321e185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:17:30, skipping insertion in model container [2021-11-23 02:17:30,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:27" (2/3) ... [2021-11-23 02:17:30,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1321e185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:17:30, skipping insertion in model container [2021-11-23 02:17:30,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:17:30" (3/3) ... [2021-11-23 02:17:30,825 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-2.i [2021-11-23 02:17:30,832 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:17:30,832 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:17:30,912 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:17:30,935 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 [2021-11-23 02:17:30,937 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:17:30,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 02:17:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 02:17:30,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:17:30,978 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:17:30,978 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:17:30,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:17:30,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-23 02:17:30,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:17:30,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769668214] [2021-11-23 02:17:30,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:17:30,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:17:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:17:31,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:17:31,227 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:17:31,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769668214] [2021-11-23 02:17:31,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769668214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:17:31,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:17:31,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:17:31,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929408658] [2021-11-23 02:17:31,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:17:31,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:17:31,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:17:31,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:17:31,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:17:31,288 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:17:33,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:17:33,666 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-23 02:17:33,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:17:33,681 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 [2021-11-23 02:17:33,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:17:33,706 INFO L225 Difference]: With dead ends: 375 [2021-11-23 02:17:33,707 INFO L226 Difference]: Without dead ends: 220 [2021-11-23 02:17:33,713 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 [2021-11-23 02:17:33,719 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:17:33,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 02:17:33,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-23 02:17:33,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-23 02:17:33,799 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) [2021-11-23 02:17:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-23 02:17:33,805 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-23 02:17:33,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:17:33,806 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-23 02:17:33,806 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) [2021-11-23 02:17:33,806 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-23 02:17:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 02:17:33,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:17:33,812 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] [2021-11-23 02:17:33,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:17:33,813 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:17:33,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:17:33,814 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-23 02:17:33,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:17:33,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922788876] [2021-11-23 02:17:33,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:17:33,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:17:33,866 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:17:33,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [507032397] [2021-11-23 02:17:33,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:17:33,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:17:33,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:17:33,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:17:33,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:17:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:17:34,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:17:34,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:17:34,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:17:34,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:17:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:17:34,695 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:17:34,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922788876] [2021-11-23 02:17:34,696 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:17:34,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507032397] [2021-11-23 02:17:34,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507032397] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:17:34,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1027036741] [2021-11-23 02:17:34,725 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-23 02:17:34,726 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:17:34,732 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:17:34,739 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:17:34,740 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:17:35,097 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:17:35,098 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 [2021-11-23 02:17:35,119 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 [2021-11-23 02:17:35,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,147 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 [2021-11-23 02:17:35,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:17:35,162 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 [2021-11-23 02:17:35,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,189 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 [2021-11-23 02:17:35,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:17:35,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 02:17:35,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-23 02:17:35,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:17:35,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:17:35,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,828 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 02:17:35,829 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 [2021-11-23 02:17:35,902 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 02:17:35,903 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 [2021-11-23 02:17:35,959 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:17:35,959 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 [2021-11-23 02:17:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:35,986 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 [2021-11-23 02:17:36,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 02:17:36,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 02:17:36,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-23 02:17:36,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:17:36,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:36,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:17:36,498 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:17:37,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1027036741] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:17:37,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 02:17:37,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-23 02:17:37,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187303976] [2021-11-23 02:17:37,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:17:37,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:17:37,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:17:37,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:17:37,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:17:37,805 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) [2021-11-23 02:17:42,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:17:42,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:17:42,513 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-23 02:17:42,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 02:17:42,514 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 [2021-11-23 02:17:42,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:17:42,517 INFO L225 Difference]: With dead ends: 265 [2021-11-23 02:17:42,517 INFO L226 Difference]: Without dead ends: 140 [2021-11-23 02:17:42,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 142 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:17:42,521 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:17:42,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 143 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2021-11-23 02:17:42,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-23 02:17:42,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-23 02:17:42,542 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) [2021-11-23 02:17:42,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-23 02:17:42,545 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-23 02:17:42,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:17:42,546 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-23 02:17:42,546 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) [2021-11-23 02:17:42,546 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-23 02:17:42,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 02:17:42,550 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:17:42,550 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] [2021-11-23 02:17:42,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:17:42,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:17:42,779 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:17:42,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:17:42,780 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-23 02:17:42,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:17:42,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700185466] [2021-11-23 02:17:42,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:17:42,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:17:42,831 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:17:42,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [938619029] [2021-11-23 02:17:42,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:17:42,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:17:42,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:17:42,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:17:42,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:17:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:17:43,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:17:43,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:17:43,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:17:43,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:17:43,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:17:43,609 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:17:43,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700185466] [2021-11-23 02:17:43,609 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:17:43,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938619029] [2021-11-23 02:17:43,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938619029] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:17:43,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1865248688] [2021-11-23 02:17:43,616 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-23 02:17:43,617 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:17:43,618 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:17:43,618 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:17:43,618 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:17:43,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:43,808 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 [2021-11-23 02:17:43,844 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 02:17:43,844 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 [2021-11-23 02:17:43,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:43,861 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 [2021-11-23 02:17:43,911 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:17:43,911 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 [2021-11-23 02:17:43,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:43,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:17:43,930 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 [2021-11-23 02:17:44,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:17:44,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 02:17:44,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-23 02:17:44,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:17:44,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:17:44,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:17:44,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-23 02:17:44,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 02:17:44,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 02:17:44,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 02:17:44,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-23 02:17:44,629 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 02:17:44,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 125 [2021-11-23 02:17:44,730 INFO L354 Elim1Store]: treesize reduction 160, result has 11.6 percent of original size [2021-11-23 02:17:44,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 116 treesize of output 119 [2021-11-23 02:17:44,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 02:17:44,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:17:44,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,974 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 02:17:44,974 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 [2021-11-23 02:17:44,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:44,992 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 [2021-11-23 02:17:45,030 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:17:45,033 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 [2021-11-23 02:17:45,060 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 [2021-11-23 02:17:45,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:17:45,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:17:45,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 02:17:45,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-23 02:17:45,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:17:45,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:17:45,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 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 [2021-11-23 02:17:45,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 02:17:45,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 02:17:45,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:45,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-23 02:17:45,805 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 02:17:45,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 117 treesize of output 150 [2021-11-23 02:17:45,860 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 02:17:45,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 143 [2021-11-23 02:17:46,164 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 107 for LOIs [2021-11-23 02:17:46,260 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:17:48,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1865248688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:17:48,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 02:17:48,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-23 02:17:48,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740750000] [2021-11-23 02:17:48,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:17:48,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 02:17:48,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:17:48,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 02:17:48,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 02:17:48,460 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) [2021-11-23 02:17:52,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:17:53,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:17:53,753 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-23 02:17:53,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 02:17:53,754 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 [2021-11-23 02:17:53,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:17:53,756 INFO L225 Difference]: With dead ends: 267 [2021-11-23 02:17:53,756 INFO L226 Difference]: Without dead ends: 142 [2021-11-23 02:17:53,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 174 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 02:17:53,759 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 76 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:17:53,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 149 Invalid, 1 Unknown, 76 Unchecked, 5.3s Time] [2021-11-23 02:17:53,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-23 02:17:53,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-23 02:17:53,780 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) [2021-11-23 02:17:53,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-23 02:17:53,782 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-23 02:17:53,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:17:53,783 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-23 02:17:53,783 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) [2021-11-23 02:17:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-23 02:17:53,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 02:17:53,787 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:17:53,787 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] [2021-11-23 02:17:53,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:17:54,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:17:54,007 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:17:54,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:17:54,008 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-23 02:17:54,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:17:54,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419660764] [2021-11-23 02:17:54,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:17:54,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:17:54,027 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:17:54,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [644599584] [2021-11-23 02:17:54,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:17:54,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:17:54,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:17:54,036 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:17:54,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f223af-b1d9-4498-8a92-8212204e4805/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:17:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:17:54,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:17:54,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:17:54,530 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 02:17:54,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:17:54,728 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 02:17:54,728 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:17:54,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419660764] [2021-11-23 02:17:54,729 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:17:54,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644599584] [2021-11-23 02:17:54,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644599584] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:17:54,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [318367659] [2021-11-23 02:17:54,735 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-23 02:17:54,735 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:17:54,736 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:17:54,736 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:17:54,737 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:17:54,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:54,869 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 [2021-11-23 02:17:54,913 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:17:54,914 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 [2021-11-23 02:17:54,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:54,933 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 [2021-11-23 02:17:54,942 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 [2021-11-23 02:17:54,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:54,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:17:54,954 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 [2021-11-23 02:17:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:17:55,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:17:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 02:17:55,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-23 02:17:55,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:17:55,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:17:55,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-23 02:17:55,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 02:17:55,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 02:17:55,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 02:17:55,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:55,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-23 02:17:55,614 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 02:17:55,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 117 treesize of output 150 [2021-11-23 02:17:55,666 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 02:17:55,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 143 [2021-11-23 02:17:55,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:17:55,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:17:55,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:17:55,826 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:17:55,826 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 85 treesize of output 88 [2021-11-23 02:17:55,863 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 02:17:55,863 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 88 treesize of output 91 [2021-11-23 02:17:55,894 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:17:55,895 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 91 treesize of output 94 [2021-11-23 02:17:55,938 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 [2021-11-23 02:17:55,944 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 [2021-11-23 02:17:55,950 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 [2021-11-23 02:17:56,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 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 [2021-11-23 02:17:56,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 02:17:56,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:17:56,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 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 [2021-11-23 02:17:56,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 02:17:56,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:17:56,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:18:03,030 WARN L227 SmtUtils]: Spent 6.64s 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) [2021-11-23 02:18:03,031 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:18:03,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2853 treesize of output 2330 [2021-11-23 02:18:03,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:18:16,612 WARN L227 SmtUtils]: Spent 13.53s 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) [2021-11-23 02:18:16,613 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:18:16,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2954 treesize of output 2672 [2021-11-23 02:18:31,494 WARN L227 SmtUtils]: Spent 14.74s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:18:31,495 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 02:18:31,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2922 treesize of output 2692 [2021-11-23 02:18:32,869 INFO L354 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2021-11-23 02:18:32,870 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 7 case distinctions, treesize of input 25960 treesize of output 25971 [2021-11-23 02:18:34,076 INFO L354 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2021-11-23 02:18:34,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 25959 treesize of output 25971 [2021-11-23 02:18:34,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:18:34,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:18:35,031 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 02:18:35,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 02:18:35,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:18:35,515 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:18:35,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61