./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ddeff00ba0e288e2e7b04a6005a0db991f8cee358fe3ef021af7107ab321b8e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:11:50,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:11:50,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:11:50,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:11:50,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:11:50,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:11:50,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:11:50,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:11:50,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:11:50,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:11:50,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:11:50,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:11:50,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:11:50,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:11:50,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:11:50,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:11:50,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:11:50,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:11:50,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:11:50,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:11:50,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:11:50,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:11:50,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:11:50,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:11:50,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:11:50,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:11:50,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:11:50,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:11:50,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:11:50,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:11:50,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:11:50,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:11:50,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:11:50,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:11:50,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:11:50,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:11:50,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:11:50,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:11:50,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:11:51,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:11:51,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:11:51,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:11:51,043 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:11:51,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:11:51,044 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:11:51,044 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:11:51,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:11:51,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:11:51,049 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:11:51,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:11:51,049 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:11:51,050 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:11:51,050 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:11:51,051 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:11:51,051 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:11:51,051 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:11:51,052 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:11:51,052 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:11:51,052 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:11:51,052 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:11:51,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:11:51,054 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:11:51,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:11:51,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:11:51,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:11:51,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:11:51,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:11:51,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:11:51,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:11:51,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:11:51,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:11:51,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:11:51,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:11:51,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:11:51,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:11:51,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:11:51,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:11:51,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:11:51,061 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:11:51,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:11:51,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:11:51,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:11:51,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:11:51,062 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_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ddeff00ba0e288e2e7b04a6005a0db991f8cee358fe3ef021af7107ab321b8e [2021-11-21 01:11:51,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:11:51,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:11:51,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:11:51,329 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:11:51,329 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:11:51,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i [2021-11-21 01:11:51,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/data/691c62a07/48ec47ab8c3d49d4b47f3e733fefeed5/FLAG089a3ae45 [2021-11-21 01:11:52,006 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:11:52,007 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i [2021-11-21 01:11:52,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/data/691c62a07/48ec47ab8c3d49d4b47f3e733fefeed5/FLAG089a3ae45 [2021-11-21 01:11:52,418 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/data/691c62a07/48ec47ab8c3d49d4b47f3e733fefeed5 [2021-11-21 01:11:52,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:11:52,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:11:52,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:11:52,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:11:52,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:11:52,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:11:52" (1/1) ... [2021-11-21 01:11:52,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2dc7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:52, skipping insertion in model container [2021-11-21 01:11:52,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:11:52" (1/1) ... [2021-11-21 01:11:52,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:11:52,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:11:52,964 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_8dae42b3-d33a-4198-8051-5f14e754b05d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i[33021,33034] [2021-11-21 01:11:53,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:11:53,100 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:11:53,129 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_8dae42b3-d33a-4198-8051-5f14e754b05d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i[33021,33034] [2021-11-21 01:11:53,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:11:53,285 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:11:53,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:53 WrapperNode [2021-11-21 01:11:53,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:11:53,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:11:53,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:11:53,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:11:53,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:53" (1/1) ... [2021-11-21 01:11:53,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:53" (1/1) ... [2021-11-21 01:11:53,400 INFO L137 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1153 [2021-11-21 01:11:53,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:11:53,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:11:53,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:11:53,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:11:53,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:53" (1/1) ... [2021-11-21 01:11:53,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:53" (1/1) ... [2021-11-21 01:11:53,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:53" (1/1) ... [2021-11-21 01:11:53,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:53" (1/1) ... [2021-11-21 01:11:53,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:53" (1/1) ... [2021-11-21 01:11:53,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:53" (1/1) ... [2021-11-21 01:11:53,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:53" (1/1) ... [2021-11-21 01:11:53,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:11:53,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:11:53,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:11:53,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:11:53,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:53" (1/1) ... [2021-11-21 01:11:53,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:11:53,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:11:53,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:11:53,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:11:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:11:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:11:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:11:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:11:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:11:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:11:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:11:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:11:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:11:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:11:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:11:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:11:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:11:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:11:53,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:11:53,990 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:11:53,997 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:11:55,381 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:11:55,813 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:11:55,814 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-21 01:11:55,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:11:55 BoogieIcfgContainer [2021-11-21 01:11:55,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:11:55,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:11:55,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:11:55,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:11:55,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:11:52" (1/3) ... [2021-11-21 01:11:55,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55827efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:11:55, skipping insertion in model container [2021-11-21 01:11:55,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:53" (2/3) ... [2021-11-21 01:11:55,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55827efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:11:55, skipping insertion in model container [2021-11-21 01:11:55,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:11:55" (3/3) ... [2021-11-21 01:11:55,826 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-1.i [2021-11-21 01:11:55,832 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:11:55,832 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:11:55,895 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:11:55,913 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:11:55,915 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:11:55,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:11:55,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:11:55,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:11:55,945 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:11:55,946 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:11:55,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:11:55,951 INFO L85 PathProgramCache]: Analyzing trace with hash 932638747, now seen corresponding path program 1 times [2021-11-21 01:11:55,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:11:55,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120852700] [2021-11-21 01:11:55,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:11:55,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:11:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:11:56,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:11:56,152 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:11:56,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120852700] [2021-11-21 01:11:56,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120852700] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:11:56,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:11:56,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:11:56,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905666368] [2021-11-21 01:11:56,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:11:56,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:11:56,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:11:56,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:11:56,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:11:56,197 INFO L87 Difference]: Start difference. First operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:11:58,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:11:58,331 INFO L93 Difference]: Finished difference Result 347 states and 628 transitions. [2021-11-21 01:11:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:11:58,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 01:11:58,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:11:58,357 INFO L225 Difference]: With dead ends: 347 [2021-11-21 01:11:58,358 INFO L226 Difference]: Without dead ends: 220 [2021-11-21 01:11:58,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:11:58,365 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 97 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:11:58,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 305 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 01:11:58,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-21 01:11:58,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-21 01:11:58,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:11:58,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-21 01:11:58,422 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-21 01:11:58,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:11:58,422 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-21 01:11:58,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:11:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 01:11:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:11:58,426 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:11:58,427 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:11:58,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:11:58,428 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:11:58,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:11:58,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1435055736, now seen corresponding path program 1 times [2021-11-21 01:11:58,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:11:58,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69513528] [2021-11-21 01:11:58,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:11:58,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:11:58,451 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:11:58,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [205412326] [2021-11-21 01:11:58,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:11:58,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:11:58,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:11:58,458 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:11:58,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:11:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:11:58,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:11:58,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:11:58,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:11:58,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:11:59,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:11:59,149 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:11:59,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69513528] [2021-11-21 01:11:59,149 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:11:59,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205412326] [2021-11-21 01:11:59,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205412326] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:11:59,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2094929686] [2021-11-21 01:11:59,177 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-21 01:11:59,177 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:11:59,197 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:11:59,202 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:11:59,203 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:11:59,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:59,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:11:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:59,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:59,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:59,556 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:11:59,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:11:59,630 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:11:59,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:11:59,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:11:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:59,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:00,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:00,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:00,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:00,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:00,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:00,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:00,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:00,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:00,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:00,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:00,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:00,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:00,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:12:01,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:12:01,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:01,183 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:12:01,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:12:01,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:01,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:01,296 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:12:01,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:12:01,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:01,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:12:01,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:12:02,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:12:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:12:02,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:02,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:02,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:02,684 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:12:03,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2094929686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:03,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:12:03,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 01:12:03,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795109293] [2021-11-21 01:12:03,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:03,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:12:03,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:03,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:12:03,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:12:03,261 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:12:07,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:07,428 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-21 01:12:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:12:07,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-21 01:12:07,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:07,431 INFO L225 Difference]: With dead ends: 265 [2021-11-21 01:12:07,431 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 01:12:07,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:12:07,440 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:07,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 375 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-21 01:12:07,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 01:12:07,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-21 01:12:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:12:07,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 01:12:07,482 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-21 01:12:07,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:07,483 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 01:12:07,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:12:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 01:12:07,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 01:12:07,487 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:07,487 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:07,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:12:07,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-21 01:12:07,701 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:12:07,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:07,702 INFO L85 PathProgramCache]: Analyzing trace with hash 886940783, now seen corresponding path program 1 times [2021-11-21 01:12:07,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:07,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066807877] [2021-11-21 01:12:07,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:07,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:07,745 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:12:07,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2019219528] [2021-11-21 01:12:07,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:07,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:07,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:07,758 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:12:07,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:12:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:08,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:12:08,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:12:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:12:08,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:12:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:12:08,464 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:08,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066807877] [2021-11-21 01:12:08,464 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:12:08,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019219528] [2021-11-21 01:12:08,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019219528] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:12:08,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [623228865] [2021-11-21 01:12:08,478 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:12:08,483 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:12:08,484 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:12:08,484 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:12:08,484 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:12:08,701 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:12:08,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:12:08,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:12:08,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:08,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:08,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:08,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:08,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:08,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:12:08,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:12:09,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:09,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:09,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:12:09,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:09,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:12:10,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 01:12:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:10,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:10,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:12:10,385 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:12:10,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:12:10,431 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:12:10,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:12:10,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:12:10,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:10,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:12:11,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:11,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:11,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:11,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:11,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:11,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:12:11,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:11,420 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:12:11,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:12:11,468 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:12:11,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:12:11,524 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:12:11,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:12:12,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:12:12,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:12:12,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:12,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:12,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:12,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:12,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:12:12,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:12,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:12:13,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:12:13,191 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:12:13,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:12:13,237 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:12:13,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:12:13,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:12:13,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:13,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:12:14,166 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-21 01:12:14,408 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:12:15,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [623228865] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:15,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:12:15,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 01:12:15,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128572120] [2021-11-21 01:12:15,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:15,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:12:15,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:15,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:12:15,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:12:15,430 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:12:17,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:17,381 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-21 01:12:17,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 01:12:17,393 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-21 01:12:17,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:17,395 INFO L225 Difference]: With dead ends: 267 [2021-11-21 01:12:17,395 INFO L226 Difference]: Without dead ends: 142 [2021-11-21 01:12:17,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:12:17,398 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 12 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 75 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:17,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 359 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 97 Invalid, 0 Unknown, 75 Unchecked, 1.9s Time] [2021-11-21 01:12:17,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-21 01:12:17,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-21 01:12:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-21 01:12:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-21 01:12:17,427 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-21 01:12:17,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:17,427 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-21 01:12:17,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:12:17,428 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-21 01:12:17,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 01:12:17,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:17,438 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:17,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-21 01:12:17,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-21 01:12:17,639 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:12:17,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:17,639 INFO L85 PathProgramCache]: Analyzing trace with hash -666566505, now seen corresponding path program 1 times [2021-11-21 01:12:17,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:17,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099875166] [2021-11-21 01:12:17,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:17,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:17,657 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:12:17,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [366443753] [2021-11-21 01:12:17,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:17,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:17,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:17,677 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:12:17,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dae42b3-d33a-4198-8051-5f14e754b05d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:12:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:17,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:12:17,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:12:18,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:12:18,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:12:18,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:12:18,231 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:18,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099875166] [2021-11-21 01:12:18,231 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:12:18,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366443753] [2021-11-21 01:12:18,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366443753] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:12:18,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [621545180] [2021-11-21 01:12:18,236 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:12:18,236 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:12:18,236 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:12:18,237 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:12:18,237 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:12:18,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:12:18,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,385 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:12:18,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:12:18,449 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:12:18,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:12:18,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:18,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:12:18,593 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:12:18,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:12:19,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:19,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:19,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:12:19,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:12:19,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:19,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 01:12:19,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:19,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:12:20,047 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:12:20,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:12:20,101 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:12:20,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:12:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:12:20,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:12:20,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:12:20,719 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 14 treesize of output 10 [2021-11-21 01:12:20,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:12:20,759 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:12:20,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-21 01:12:20,786 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:12:20,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-21 01:12:20,806 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:12:20,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-21 01:12:20,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:12:20,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:12:20,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:12:20,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:12:20,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:12:21,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:12:21,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:12:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:12:21,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:12:29,005 WARN L227 SmtUtils]: Spent 7.46s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:12:29,006 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:12:29,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 01:12:29,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:39,009 WARN L227 SmtUtils]: Spent 9.97s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:12:39,010 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:12:39,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 01:12:50,147 WARN L227 SmtUtils]: Spent 11.03s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:12:50,148 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:12:50,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2842 treesize of output 2672 [2021-11-21 01:12:50,974 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:12:50,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25940 treesize of output 25951 [2021-11-21 01:12:51,936 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 01:12:51,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25939 treesize of output 25951 [2021-11-21 01:12:54,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:54,176 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:12:54,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:12:55,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:55,400 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:12:55,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44