./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/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_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/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_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/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 6fff6eb11b5ece9f2655331435003a1af77ee5ac869f244677acc531eb435a19 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:34:43,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:34:43,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:34:43,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:34:43,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:34:43,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:34:43,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:34:43,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:34:43,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:34:43,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:34:43,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:34:43,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:34:43,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:34:43,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:34:43,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:34:43,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:34:43,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:34:43,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:34:43,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:34:43,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:34:43,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:34:43,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:34:43,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:34:43,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:34:43,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:34:43,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:34:43,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:34:43,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:34:43,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:34:43,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:34:43,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:34:43,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:34:43,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:34:43,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:34:43,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:34:43,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:34:43,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:34:43,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:34:43,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:34:43,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:34:43,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:34:43,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:34:43,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:34:43,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:34:43,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:34:43,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:34:43,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:34:43,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:34:43,353 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:34:43,353 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:34:43,353 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:34:43,354 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:34:43,354 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:34:43,354 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:34:43,354 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:34:43,355 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:34:43,355 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:34:43,355 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:34:43,355 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:34:43,356 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:34:43,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:34:43,358 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:34:43,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:34:43,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:34:43,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:34:43,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:34:43,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:34:43,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:34:43,360 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:34:43,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:34:43,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:34:43,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:34:43,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:34:43,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:34:43,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:34:43,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:34:43,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:34:43,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:34:43,364 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:34:43,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:34:43,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:34:43,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:34:43,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:34:43,366 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_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fff6eb11b5ece9f2655331435003a1af77ee5ac869f244677acc531eb435a19 [2021-11-23 03:34:43,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:34:43,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:34:43,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:34:43,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:34:43,731 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:34:43,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i [2021-11-23 03:34:43,852 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/data/699b49cca/f7f5d1c04d0b41b59c982d3c15b397e0/FLAGc1b444811 [2021-11-23 03:34:44,574 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:34:44,574 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i [2021-11-23 03:34:44,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/data/699b49cca/f7f5d1c04d0b41b59c982d3c15b397e0/FLAGc1b444811 [2021-11-23 03:34:44,737 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/data/699b49cca/f7f5d1c04d0b41b59c982d3c15b397e0 [2021-11-23 03:34:44,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:34:44,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:34:44,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:34:44,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:34:44,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:34:44,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:44" (1/1) ... [2021-11-23 03:34:44,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca73f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:44, skipping insertion in model container [2021-11-23 03:34:44,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:44" (1/1) ... [2021-11-23 03:34:44,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:34:44,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:34:45,355 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_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i[33021,33034] [2021-11-23 03:34:45,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:34:45,652 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:34:45,714 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_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i[33021,33034] [2021-11-23 03:34:45,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:34:45,920 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:34:45,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:45 WrapperNode [2021-11-23 03:34:45,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:34:45,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:34:45,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:34:45,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:34:45,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:45" (1/1) ... [2021-11-23 03:34:45,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:45" (1/1) ... [2021-11-23 03:34:46,123 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-23 03:34:46,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:34:46,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:34:46,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:34:46,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:34:46,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:45" (1/1) ... [2021-11-23 03:34:46,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:45" (1/1) ... [2021-11-23 03:34:46,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:45" (1/1) ... [2021-11-23 03:34:46,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:45" (1/1) ... [2021-11-23 03:34:46,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:45" (1/1) ... [2021-11-23 03:34:46,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:45" (1/1) ... [2021-11-23 03:34:46,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:45" (1/1) ... [2021-11-23 03:34:46,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:34:46,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:34:46,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:34:46,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:34:46,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:45" (1/1) ... [2021-11-23 03:34:46,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:34:46,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:34:46,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:34:46,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:34:46,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:34:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:34:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:34:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:34:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:34:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:34:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:34:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:34:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:34:46,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:34:46,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:34:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:34:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:34:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:34:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:34:46,790 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:34:46,793 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:34:48,330 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:34:48,995 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:34:48,996 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-23 03:34:49,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:49 BoogieIcfgContainer [2021-11-23 03:34:49,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:34:49,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:34:49,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:34:49,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:34:49,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:34:44" (1/3) ... [2021-11-23 03:34:49,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a2577f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:34:49, skipping insertion in model container [2021-11-23 03:34:49,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:45" (2/3) ... [2021-11-23 03:34:49,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a2577f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:34:49, skipping insertion in model container [2021-11-23 03:34:49,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:49" (3/3) ... [2021-11-23 03:34:49,016 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-2.i [2021-11-23 03:34:49,023 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:34:49,023 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:34:49,112 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:34:49,131 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 03:34:49,132 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:34:49,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:34:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 03:34:49,183 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:34:49,184 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:34:49,185 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:34:49,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:34:49,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-23 03:34:49,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:34:49,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943304027] [2021-11-23 03:34:49,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:34:49,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:34:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:34:49,453 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 03:34:49,454 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:34:49,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943304027] [2021-11-23 03:34:49,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943304027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:34:49,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:34:49,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:34:49,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860109793] [2021-11-23 03:34:49,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:34:49,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:34:49,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:34:49,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:34:49,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:34:49,513 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:34:52,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:34:52,107 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-23 03:34:52,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:34:52,116 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 03:34:52,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:34:52,139 INFO L225 Difference]: With dead ends: 375 [2021-11-23 03:34:52,139 INFO L226 Difference]: Without dead ends: 220 [2021-11-23 03:34:52,145 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 03:34:52,150 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:34:52,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-23 03:34:52,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-23 03:34:52,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-23 03:34:52,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:34:52,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-23 03:34:52,226 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-23 03:34:52,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:34:52,227 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-23 03:34:52,227 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 03:34:52,228 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-23 03:34:52,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 03:34:52,233 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:34:52,233 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:34:52,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:34:52,234 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:34:52,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:34:52,235 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-23 03:34:52,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:34:52,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108109009] [2021-11-23 03:34:52,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:34:52,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:34:52,270 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:34:52,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1196175767] [2021-11-23 03:34:52,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:34:52,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:34:52,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:34:52,277 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:34:52,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:34:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:34:52,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:34:52,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:34:52,988 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 03:34:52,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:34:53,203 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 03:34:53,204 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:34:53,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108109009] [2021-11-23 03:34:53,205 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:34:53,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196175767] [2021-11-23 03:34:53,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196175767] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:34:53,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1261135468] [2021-11-23 03:34:53,234 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-23 03:34:53,235 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:34:53,241 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:34:53,248 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:34:53,248 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:34:53,553 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:34:53,555 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 03:34:53,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 03:34:53,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:53,613 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 03:34:53,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:53,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:34:53,629 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 03:34:53,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:53,657 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 03:34:54,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,180 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 03:34:54,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,220 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 03:34:54,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,260 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 03:34:54,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,305 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 03:34:54,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:34:54,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,371 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:34:54,372 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 03:34:54,422 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:34:54,422 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 03:34:54,486 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:34:54,486 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 03:34:54,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,519 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 03:34:54,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,550 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 03:34:54,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:54,983 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 03:34:54,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:55,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:55,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:55,010 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 03:34:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:55,049 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 03:34:55,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:55,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:55,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:34:55,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 03:34:55,093 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:34:56,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1261135468] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:34:56,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 03:34:56,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-23 03:34:56,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974495345] [2021-11-23 03:34:56,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:34:56,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 03:34:56,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:34:56,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 03:34:56,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:34:56,528 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:35:01,348 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 03:35:01,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:35:01,385 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-23 03:35:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 03:35:01,386 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-23 03:35:01,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:35:01,388 INFO L225 Difference]: With dead ends: 265 [2021-11-23 03:35:01,388 INFO L226 Difference]: Without dead ends: 140 [2021-11-23 03:35:01,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 142 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:35:01,392 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:35:01,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 143 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2021-11-23 03:35:01,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-23 03:35:01,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-23 03:35:01,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:35:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-23 03:35:01,416 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-23 03:35:01,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:35:01,416 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-23 03:35:01,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:35:01,417 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-23 03:35:01,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 03:35:01,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:35:01,421 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:35:01,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:35:01,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:35:01,641 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:35:01,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:35:01,642 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-23 03:35:01,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:35:01,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363733321] [2021-11-23 03:35:01,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:35:01,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:35:01,686 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:35:01,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [442364170] [2021-11-23 03:35:01,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:35:01,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:35:01,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:35:01,708 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:35:01,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:35:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:35:02,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:35:02,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:35:02,256 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 03:35:02,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:35:02,515 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 03:35:02,516 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:35:02,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363733321] [2021-11-23 03:35:02,516 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:35:02,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442364170] [2021-11-23 03:35:02,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442364170] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:35:02,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [242747247] [2021-11-23 03:35:02,522 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-23 03:35:02,523 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:35:02,523 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:35:02,524 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:35:02,524 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:35:02,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:02,713 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 03:35:02,752 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:35:02,753 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 03:35:02,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:02,772 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 03:35:02,819 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:35:02,820 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 03:35:02,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:02,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:35:02,836 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 03:35:03,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,151 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 03:35:03,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,174 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 03:35:03,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,195 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 03:35:03,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:35:03,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,263 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 03:35:03,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,284 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 03:35:03,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-23 03:35:03,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,354 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 03:35:03,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,419 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 03:35:03,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,447 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 03:35:03,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,472 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 03:35:03,537 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 03:35:03,538 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 03:35:03,601 INFO L354 Elim1Store]: treesize reduction 160, result has 11.6 percent of original size [2021-11-23 03:35:03,602 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 03:35:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,855 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 03:35:03,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:35:03,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,880 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:35:03,882 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 03:35:03,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:03,898 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 03:35:03,936 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:35:03,941 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 03:35:03,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 03:35:04,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,313 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 03:35:04,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,336 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 03:35:04,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,359 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 03:35:04,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,380 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 03:35:04,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,421 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 03:35:04,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,442 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 03:35:04,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,486 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 03:35:04,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,548 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 03:35:04,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,576 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 03:35:04,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:04,601 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 03:35:04,692 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 03:35:04,693 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 03:35:04,745 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 03:35:04,746 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 03:35:05,063 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 107 for LOIs [2021-11-23 03:35:05,156 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:35:07,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [242747247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:35:07,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 03:35:07,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-23 03:35:07,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101316771] [2021-11-23 03:35:07,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:35:07,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 03:35:07,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:35:07,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 03:35:07,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:35:07,310 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 03:35:10,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:35:11,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:35:12,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:35:12,772 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-23 03:35:12,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 03:35:12,773 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-23 03:35:12,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:35:12,776 INFO L225 Difference]: With dead ends: 267 [2021-11-23 03:35:12,776 INFO L226 Difference]: Without dead ends: 142 [2021-11-23 03:35:12,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 174 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:35:12,779 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 76 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:35:12,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 149 Invalid, 1 Unknown, 76 Unchecked, 5.4s Time] [2021-11-23 03:35:12,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-23 03:35:12,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-23 03:35:12,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-23 03:35:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-23 03:35:12,802 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-23 03:35:12,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:35:12,803 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-23 03:35:12,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 03:35:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-23 03:35:12,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 03:35:12,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:35:12,807 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:35:12,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:35:13,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:35:13,021 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:35:13,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:35:13,025 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-23 03:35:13,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:35:13,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340061559] [2021-11-23 03:35:13,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:35:13,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:35:13,051 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:35:13,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440906131] [2021-11-23 03:35:13,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:35:13,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:35:13,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:35:13,054 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:35:13,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac73824-39c5-43ac-8bd5-6a7f86c845d8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:35:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:35:13,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:35:13,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:35:13,547 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 03:35:13,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:35:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 03:35:13,728 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:35:13,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340061559] [2021-11-23 03:35:13,728 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:35:13,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440906131] [2021-11-23 03:35:13,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440906131] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:35:13,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [428884444] [2021-11-23 03:35:13,734 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-23 03:35:13,734 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:35:13,735 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:35:13,735 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:35:13,735 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:35:13,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:13,845 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 03:35:13,886 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:35:13,887 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 03:35:13,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:13,906 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 03:35:13,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 03:35:13,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:13,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:35:13,926 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 03:35:14,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,177 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 03:35:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,198 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 03:35:14,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,218 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 03:35:14,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,237 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 03:35:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,271 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 03:35:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 03:35:14,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-23 03:35:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,339 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 03:35:14,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,399 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 03:35:14,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,429 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 03:35:14,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,453 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 03:35:14,546 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 03:35:14,546 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 03:35:14,598 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 03:35:14,599 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 03:35:14,708 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 03:35:14,713 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 03:35:14,719 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 03:35:14,767 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:35:14,768 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 03:35:14,804 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 03:35:14,804 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 03:35:14,835 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:35:14,835 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 03:35:14,887 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 03:35:14,894 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 03:35:14,900 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 03:35:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:14,977 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 03:35:15,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,008 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 03:35:15,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,039 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 03:35:15,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,199 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 03:35:15,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 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 03:35:15,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:15,246 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 03:35:23,214 WARN L227 SmtUtils]: Spent 7.85s 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 03:35:23,215 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:35:23,215 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 03:35:23,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:37,399 WARN L227 SmtUtils]: Spent 14.13s 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 03:35:37,399 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:35:37,400 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 03:35:49,859 WARN L227 SmtUtils]: Spent 12.32s 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 03:35:49,860 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 03:35:49,861 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 03:35:51,160 INFO L354 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2021-11-23 03:35:51,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 25960 treesize of output 25971 [2021-11-23 03:35:52,362 INFO L354 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2021-11-23 03:35:52,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 25959 treesize of output 25971 [2021-11-23 03:35:53,134 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:35:53,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:53,460 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 03:35:53,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 03:35:53,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:35:54,069 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:35:54,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61