./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.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_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/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_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/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_e60aaf59-c28a-45ed-9f1e-70a614cfda37/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 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:38:36,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:38:36,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:38:36,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:38:36,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:38:36,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:38:36,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:38:36,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:38:36,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:38:36,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:38:36,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:38:36,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:38:36,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:38:36,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:38:36,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:38:36,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:38:36,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:38:36,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:38:36,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:38:36,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:38:36,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:38:36,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:38:36,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:38:36,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:38:36,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:38:36,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:38:36,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:38:36,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:38:36,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:38:36,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:38:36,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:38:36,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:38:36,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:38:36,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:38:36,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:38:36,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:38:36,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:38:36,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:38:36,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:38:36,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:38:36,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:38:36,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:38:36,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:38:36,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:38:36,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:38:36,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:38:36,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:38:36,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:38:36,734 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:38:36,734 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:38:36,734 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:38:36,735 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:38:36,735 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:38:36,735 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:38:36,735 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:38:36,736 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:38:36,736 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:38:36,736 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:38:36,737 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:38:36,737 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:38:36,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:38:36,738 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:38:36,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:38:36,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:38:36,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:38:36,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:38:36,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:38:36,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:38:36,740 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:38:36,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:38:36,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:38:36,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:38:36,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:38:36,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:38:36,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:38:36,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:38:36,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:38:36,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:38:36,743 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:38:36,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:38:36,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:38:36,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:38:36,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:38:36,745 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_e60aaf59-c28a-45ed-9f1e-70a614cfda37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed [2021-11-23 03:38:37,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:38:37,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:38:37,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:38:37,092 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:38:37,093 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:38:37,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2021-11-23 03:38:37,153 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/data/1fdb5b564/fe5ebb093121434998a7600e9c8673af/FLAG6ad04c2d4 [2021-11-23 03:38:38,004 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:38:38,005 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2021-11-23 03:38:38,025 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/data/1fdb5b564/fe5ebb093121434998a7600e9c8673af/FLAG6ad04c2d4 [2021-11-23 03:38:38,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/data/1fdb5b564/fe5ebb093121434998a7600e9c8673af [2021-11-23 03:38:38,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:38:38,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:38:38,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:38:38,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:38:38,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:38:38,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:38" (1/1) ... [2021-11-23 03:38:38,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e60cd77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:38, skipping insertion in model container [2021-11-23 03:38:38,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:38" (1/1) ... [2021-11-23 03:38:38,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:38:38,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:38:38,777 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_e60aaf59-c28a-45ed-9f1e-70a614cfda37/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2021-11-23 03:38:38,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:38:38,906 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:38:38,954 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_e60aaf59-c28a-45ed-9f1e-70a614cfda37/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2021-11-23 03:38:39,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:38:39,120 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:38:39,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:39 WrapperNode [2021-11-23 03:38:39,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:38:39,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:38:39,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:38:39,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:38:39,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:39" (1/1) ... [2021-11-23 03:38:39,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:39" (1/1) ... [2021-11-23 03:38:39,278 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 776 [2021-11-23 03:38:39,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:38:39,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:38:39,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:38:39,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:38:39,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:39" (1/1) ... [2021-11-23 03:38:39,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:39" (1/1) ... [2021-11-23 03:38:39,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:39" (1/1) ... [2021-11-23 03:38:39,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:39" (1/1) ... [2021-11-23 03:38:39,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:39" (1/1) ... [2021-11-23 03:38:39,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:39" (1/1) ... [2021-11-23 03:38:39,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:39" (1/1) ... [2021-11-23 03:38:39,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:38:39,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:38:39,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:38:39,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:38:39,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:39" (1/1) ... [2021-11-23 03:38:39,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:38:39,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:38:39,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:38:39,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:38:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:38:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:38:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:38:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:38:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:38:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:38:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:38:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:38:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:38:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:38:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:38:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:38:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:38:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:38:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:38:39,873 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:38:39,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:38:41,018 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:38:41,437 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:38:41,437 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-23 03:38:41,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:41 BoogieIcfgContainer [2021-11-23 03:38:41,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:38:41,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:38:41,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:38:41,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:38:41,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:38:38" (1/3) ... [2021-11-23 03:38:41,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ae4773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:38:41, skipping insertion in model container [2021-11-23 03:38:41,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:39" (2/3) ... [2021-11-23 03:38:41,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ae4773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:38:41, skipping insertion in model container [2021-11-23 03:38:41,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:41" (3/3) ... [2021-11-23 03:38:41,450 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-2.i [2021-11-23 03:38:41,456 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:38:41,457 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:38:41,512 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:38:41,520 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 03:38:41,520 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:38:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:38:41,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 03:38:41,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:41,550 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:38:41,551 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:41,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:41,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1739953547, now seen corresponding path program 1 times [2021-11-23 03:38:41,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:41,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276460317] [2021-11-23 03:38:41,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:41,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:41,773 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 03:38:41,774 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:41,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276460317] [2021-11-23 03:38:41,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276460317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:41,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:41,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:38:41,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728568620] [2021-11-23 03:38:41,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:41,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:41,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:41,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:41,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:41,831 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) 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 03:38:43,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:38:43,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:43,754 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2021-11-23 03:38:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:38:43,774 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 03:38:43,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:43,786 INFO L225 Difference]: With dead ends: 237 [2021-11-23 03:38:43,787 INFO L226 Difference]: Without dead ends: 128 [2021-11-23 03:38:43,791 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 03:38:43,796 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:43,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 217 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 03:38:43,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-23 03:38:43,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2021-11-23 03:38:43,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:38:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2021-11-23 03:38:43,861 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2021-11-23 03:38:43,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:43,862 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2021-11-23 03:38:43,863 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 03:38:43,863 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2021-11-23 03:38:43,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 03:38:43,866 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:43,867 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] [2021-11-23 03:38:43,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:38:43,868 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:43,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:43,869 INFO L85 PathProgramCache]: Analyzing trace with hash -976039302, now seen corresponding path program 1 times [2021-11-23 03:38:43,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:43,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929186465] [2021-11-23 03:38:43,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:43,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:43,894 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:38:43,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1272335380] [2021-11-23 03:38:43,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:43,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:38:43,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:38:43,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:38:43,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:38:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:44,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:38:44,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:38:44,428 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 03:38:44,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:38:44,590 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 03:38:44,591 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:44,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929186465] [2021-11-23 03:38:44,591 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:38:44,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272335380] [2021-11-23 03:38:44,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272335380] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:38:44,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [120288305] [2021-11-23 03:38:44,626 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2021-11-23 03:38:44,626 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:38:44,632 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:38:44,638 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:38:44,639 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:38:44,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:44,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:38:44,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:44,837 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:38:44,838 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 03:38:44,890 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:38:44,891 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 03:38:44,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:44,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 03:38:44,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:44,977 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 03:38:45,050 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:38:45,051 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 03:38:45,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,565 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 03:38:45,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,596 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 03:38:45,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,630 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 03:38:45,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 03:38:45,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:45,987 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 03:38:46,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,009 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 03:38:46,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,036 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 03:38:46,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:46,063 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 03:38:46,089 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:38:47,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [120288305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:47,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 03:38:47,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-23 03:38:47,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694267584] [2021-11-23 03:38:47,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:47,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 03:38:47,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:47,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 03:38:47,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:38:47,213 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 03:38:48,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:38:50,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:38:53,972 WARN L534 Checker$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 03:38:53,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:53,975 INFO L93 Difference]: Finished difference Result 173 states and 232 transitions. [2021-11-23 03:38:54,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 03:38:54,008 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 31 [2021-11-23 03:38:54,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:54,011 INFO L225 Difference]: With dead ends: 173 [2021-11-23 03:38:54,011 INFO L226 Difference]: Without dead ends: 94 [2021-11-23 03:38:54,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:38:54,014 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 8 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:54,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 333 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2021-11-23 03:38:54,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-23 03:38:54,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2021-11-23 03:38:54,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:38:54,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2021-11-23 03:38:54,050 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2021-11-23 03:38:54,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:54,051 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2021-11-23 03:38:54,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 03:38:54,051 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2021-11-23 03:38:54,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 03:38:54,066 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:54,066 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] [2021-11-23 03:38:54,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:38:54,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:38:54,267 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:54,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:54,268 INFO L85 PathProgramCache]: Analyzing trace with hash 720340601, now seen corresponding path program 1 times [2021-11-23 03:38:54,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:54,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142336110] [2021-11-23 03:38:54,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:54,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:54,307 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:38:54,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1158302065] [2021-11-23 03:38:54,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:54,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:38:54,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:38:54,309 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:38:54,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:38:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:54,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:38:54,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:38:54,724 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 03:38:54,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:38:54,888 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 03:38:54,889 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:54,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142336110] [2021-11-23 03:38:54,895 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:38:54,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158302065] [2021-11-23 03:38:54,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158302065] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:38:54,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [826914345] [2021-11-23 03:38:54,915 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-23 03:38:54,920 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:38:54,921 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:38:54,921 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:38:54,922 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:38:54,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:54,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:38:54,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,002 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:38:55,003 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 03:38:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,026 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 03:38:55,060 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:38:55,061 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 03:38:55,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,082 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 03:38:55,142 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:38:55,143 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 03:38:55,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,579 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 03:38:55,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,601 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 03:38:55,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,628 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 03:38:55,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,652 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 03:38:55,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,735 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 03:38:55,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,760 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 03:38:55,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,779 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 03:38:55,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,834 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 03:38:55,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:55,864 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 03:38:55,922 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 03:38:55,922 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 03:38:56,005 INFO L354 Elim1Store]: treesize reduction 160, result has 11.6 percent of original size [2021-11-23 03:38:56,005 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 03:38:56,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,073 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 03:38:56,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,692 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 03:38:56,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,709 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 03:38:56,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,725 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 03:38:56,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,744 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 03:38:56,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,791 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 03:38:56,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,806 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 03:38:56,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,820 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 03:38:56,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,862 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 03:38:56,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:56,885 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 03:38:56,966 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 03:38:56,967 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 03:38:57,018 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 03:38:57,018 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 03:38:57,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:57,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:57,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:57,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:57,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:57,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:57,044 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 03:38:57,087 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-23 03:38:57,158 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:38:59,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [826914345] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:59,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 03:38:59,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-23 03:38:59,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644156964] [2021-11-23 03:38:59,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:59,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 03:38:59,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:59,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 03:38:59,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:38:59,025 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 03:39:01,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:39:01,891 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2021-11-23 03:39:01,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 03:39:01,904 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 44 [2021-11-23 03:39:01,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:39:01,905 INFO L225 Difference]: With dead ends: 175 [2021-11-23 03:39:01,905 INFO L226 Difference]: Without dead ends: 96 [2021-11-23 03:39:01,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:39:01,907 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 12 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 110 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:39:01,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 444 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 132 Invalid, 0 Unknown, 110 Unchecked, 2.8s Time] [2021-11-23 03:39:01,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-23 03:39:01,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-23 03:39:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-23 03:39:01,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2021-11-23 03:39:01,924 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2021-11-23 03:39:01,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:39:01,924 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2021-11-23 03:39:01,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 03:39:01,925 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-23 03:39:01,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 03:39:01,926 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:39:01,927 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] [2021-11-23 03:39:01,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:39:02,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:39:02,142 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:39:02,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:39:02,143 INFO L85 PathProgramCache]: Analyzing trace with hash 659673767, now seen corresponding path program 1 times [2021-11-23 03:39:02,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:39:02,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600982971] [2021-11-23 03:39:02,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:39:02,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:39:02,160 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:39:02,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1493779440] [2021-11-23 03:39:02,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:39:02,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:39:02,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:39:02,161 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:39:02,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60aaf59-c28a-45ed-9f1e-70a614cfda37/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:39:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:39:02,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:39:02,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:39:02,438 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 03:39:02,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:39:02,566 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 03:39:02,566 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:39:02,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600982971] [2021-11-23 03:39:02,566 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:39:02,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493779440] [2021-11-23 03:39:02,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493779440] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:39:02,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [150460633] [2021-11-23 03:39:02,570 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-23 03:39:02,570 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:39:02,571 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:39:02,571 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:39:02,571 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:39:02,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,611 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 03:39:02,640 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:39:02,640 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 03:39:02,680 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:39:02,680 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 03:39:02,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:02,691 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 03:39:02,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,707 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 03:39:02,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,907 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 03:39:02,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,924 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 03:39:02,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,939 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 03:39:02,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:02,979 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 03:39:03,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,006 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 03:39:03,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,020 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 03:39:03,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,059 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 03:39:03,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,105 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 03:39:03,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,125 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 03:39:03,195 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 03:39:03,196 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 03:39:03,255 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 03:39:03,256 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 03:39:03,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,288 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 03:39:03,368 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 03:39:03,372 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 03:39:03,376 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 03:39:03,416 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 03:39:03,416 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 03:39:03,443 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:39:03,444 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 03:39:03,469 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:39:03,470 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 03:39:03,506 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 03:39:03,511 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 03:39:03,517 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 03:39:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,575 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 03:39:03,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,600 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 03:39:03,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,620 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 03:39:03,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,732 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 03:39:03,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,749 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 03:39:03,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:03,795 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 03:39:12,236 WARN L227 SmtUtils]: Spent 8.34s 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 03:39:12,236 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:39:12,237 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 03:39:12,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:20,510 WARN L227 SmtUtils]: Spent 8.23s 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 03:39:20,511 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:39:20,511 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 03:39:31,772 WARN L227 SmtUtils]: Spent 11.15s 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 03:39:31,774 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 03:39:31,775 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 03:39:33,052 INFO L354 Elim1Store]: treesize reduction 126, result has 25.0 percent of original size [2021-11-23 03:39:33,053 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 25960 treesize of output 25988 [2021-11-23 03:39:33,949 INFO L354 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2021-11-23 03:39:33,950 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 25970 treesize of output 25981 [2021-11-23 03:39:34,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:34,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:34,872 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 03:39:34,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 03:39:35,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:35,443 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:39:35,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 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 [2021-11-23 03:39:35,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:35,702 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 03:39:35,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 03:39:35,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:35,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:35,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:35,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 03:39:35,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:35,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:35,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-11-23 03:39:36,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:36,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:36,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-23 03:39:36,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:36,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:36,786 INFO L354 Elim1Store]: treesize reduction 20, result has 62.3 percent of original size [2021-11-23 03:39:36,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 77 [2021-11-23 03:39:36,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:36,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:36,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:36,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:36,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2021-11-23 03:39:37,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:37,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:37,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:37,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-11-23 03:39:37,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:38,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:38,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:38,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:38,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:38,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3011 treesize of output 2647 [2021-11-23 03:39:38,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:38,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:38,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:38,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:38,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:38,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 6927 treesize of output 6551 [2021-11-23 03:39:38,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:38,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:38,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:38,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:38,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:38,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3167 treesize of output 2791 [2021-11-23 03:39:38,930 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:38,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:39,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:39,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:39,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:39,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:39,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3067 treesize of output 2697 [2021-11-23 03:39:39,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:39,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:39,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:40,219 INFO L354 Elim1Store]: treesize reduction 430, result has 62.8 percent of original size [2021-11-23 03:39:40,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3088 treesize of output 3374 [2021-11-23 03:39:40,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:40,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:40,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:40,609 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 03:39:40,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3144 treesize of output 2700 [2021-11-23 03:39:40,709 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:40,753 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:40,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:40,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:40,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:40,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:40,995 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-23 03:39:41,610 INFO L354 Elim1Store]: treesize reduction 430, result has 63.2 percent of original size [2021-11-23 03:39:41,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3244 treesize of output 3530 [2021-11-23 03:39:41,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:41,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:41,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:41,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:41,954 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-11-23 03:39:42,062 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 03:39:42,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 7004 treesize of output 6554 [2021-11-23 03:39:42,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:42,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:42,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:42,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:42,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:42,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:43,012 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 03:39:43,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 6948 treesize of output 6554 [2021-11-23 03:39:43,194 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:43,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:43,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:43,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:43,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:43,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:43,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:43,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:43,372 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-11-23 03:39:43,389 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 03:39:43,389 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 1 case distinctions, treesize of input 3188 treesize of output 2794 [2021-11-23 03:39:43,462 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:43,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:43,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:43,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:43,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:43,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:43,778 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-11-23 03:39:43,797 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 03:39:43,797 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 1 case distinctions, treesize of input 3088 treesize of output 2700 [2021-11-23 03:39:44,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:44,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:44,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:44,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:44,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:44,114 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-23 03:39:44,127 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 03:39:44,127 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 1 case distinctions, treesize of input 3032 treesize of output 2650 [2021-11-23 03:39:44,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:44,727 INFO L244 Elim1Store]: Index analysis took 172 ms [2021-11-23 03:39:47,151 INFO L354 Elim1Store]: treesize reduction 1010, result has 56.8 percent of original size [2021-11-23 03:39:47,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7025 treesize of output 7885 [2021-11-23 03:39:48,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:48,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:48,852 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-11-23 03:39:49,092 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-23 03:39:49,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 3165 treesize of output 1 [2021-11-23 03:39:49,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:49,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:49,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:49,612 INFO L244 Elim1Store]: Index analysis took 228 ms [2021-11-23 03:39:52,172 INFO L354 Elim1Store]: treesize reduction 560, result has 70.1 percent of original size [2021-11-23 03:39:52,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3265 treesize of output 4109 [2021-11-23 03:39:55,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:55,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:55,647 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-11-23 03:39:55,967 INFO L354 Elim1Store]: treesize reduction 1810, result has 0.1 percent of original size [2021-11-23 03:39:55,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 3109 treesize of output 1 [2021-11-23 03:39:59,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:59,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:59,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:59,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3011 treesize of output 2647 [2021-11-23 03:40:00,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:40:00,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:00,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:00,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 6927 treesize of output 6551 [2021-11-23 03:40:00,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:40:00,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:00,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:00,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3167 treesize of output 2791 [2021-11-23 03:40:00,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:40:00,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:40:00,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:00,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:00,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:00,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3067 treesize of output 2697 [2021-11-23 03:40:01,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:40:01,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:40:01,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,271 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 03:40:01,271 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 1 case distinctions, treesize of input 3088 treesize of output 2650 [2021-11-23 03:40:01,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:40:01,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,541 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-23 03:40:01,560 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 03:40:01,561 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 1 case distinctions, treesize of input 3144 treesize of output 2700 [2021-11-23 03:40:01,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:40:01,707 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:40:01,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:40:01,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:40:01,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:01,970 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-11-23 03:40:01,990 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 03:40:01,991 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 1 case distinctions, treesize of input 3244 treesize of output 2794 [2021-11-23 03:40:02,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:40:02,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:02,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:02,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:40:02,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:02,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:02,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:02,355 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-11-23 03:40:02,377 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 03:40:02,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 7004 treesize of output 6554 [2021-11-23 03:40:06,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:06,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:06,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:06,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:40:06,397 INFO L244 Elim1Store]: Index analysis took 198 ms [2021-11-23 03:40:11,667 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-23 03:40:11,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 186662 treesize of output 186208 [2021-11-23 03:51:57,661 WARN L227 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 4884 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)