./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c --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_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/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_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/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_a017c398-2a64-4a88-a548-2b1cc041d0a4/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 a94ea84ce989fbbbaf2c8eaba75d5160290d15621b4e8c8582440d0d85685d8d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:36:52,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:36:52,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:36:52,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:36:52,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:36:52,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:36:52,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:36:52,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:36:52,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:36:52,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:36:52,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:36:52,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:36:52,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:36:52,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:36:52,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:36:52,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:36:52,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:36:52,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:36:52,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:36:52,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:36:52,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:36:52,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:36:52,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:36:52,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:36:52,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:36:52,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:36:52,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:36:52,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:36:52,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:36:52,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:36:52,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:36:52,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:36:52,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:36:52,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:36:52,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:36:52,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:36:52,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:36:52,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:36:52,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:36:52,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:36:52,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:36:52,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:36:53,001 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:36:53,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:36:53,002 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:36:53,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:36:53,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:36:53,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:36:53,003 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:36:53,004 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:36:53,004 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:36:53,004 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:36:53,004 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:36:53,004 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:36:53,005 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:36:53,005 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:36:53,005 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:36:53,005 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:36:53,006 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:36:53,006 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:36:53,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:36:53,007 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:36:53,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:36:53,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:36:53,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:36:53,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:36:53,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:36:53,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:36:53,008 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:36:53,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:36:53,009 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:36:53,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:36:53,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:36:53,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:36:53,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:36:53,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:36:53,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:36:53,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:36:53,010 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:36:53,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:36:53,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:36:53,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:36:53,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:36:53,016 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_a017c398-2a64-4a88-a548-2b1cc041d0a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a94ea84ce989fbbbaf2c8eaba75d5160290d15621b4e8c8582440d0d85685d8d [2021-11-20 23:36:53,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:36:53,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:36:53,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:36:53,309 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:36:53,310 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:36:53,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c [2021-11-20 23:36:53,375 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/data/be58fa724/05fad417e9c54dae8e556f5c56ad47d3/FLAGd3714127a [2021-11-20 23:36:53,972 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:36:53,972 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c [2021-11-20 23:36:54,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/data/be58fa724/05fad417e9c54dae8e556f5c56ad47d3/FLAGd3714127a [2021-11-20 23:36:54,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/data/be58fa724/05fad417e9c54dae8e556f5c56ad47d3 [2021-11-20 23:36:54,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:36:54,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:36:54,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:36:54,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:36:54,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:36:54,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:54" (1/1) ... [2021-11-20 23:36:54,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a44257f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:54, skipping insertion in model container [2021-11-20 23:36:54,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:54" (1/1) ... [2021-11-20 23:36:54,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:36:54,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:36:54,723 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_a017c398-2a64-4a88-a548-2b1cc041d0a4/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2021-11-20 23:36:54,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:36:54,757 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:36:54,853 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_a017c398-2a64-4a88-a548-2b1cc041d0a4/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2021-11-20 23:36:54,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:36:54,882 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:36:54,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:54 WrapperNode [2021-11-20 23:36:54,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:36:54,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:36:54,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:36:54,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:36:54,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:54" (1/1) ... [2021-11-20 23:36:54,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:54" (1/1) ... [2021-11-20 23:36:54,996 INFO L137 Inliner]: procedures = 31, calls = 217, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 724 [2021-11-20 23:36:54,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:36:54,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:36:54,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:36:55,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:36:55,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:54" (1/1) ... [2021-11-20 23:36:55,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:54" (1/1) ... [2021-11-20 23:36:55,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:54" (1/1) ... [2021-11-20 23:36:55,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:54" (1/1) ... [2021-11-20 23:36:55,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:54" (1/1) ... [2021-11-20 23:36:55,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:54" (1/1) ... [2021-11-20 23:36:55,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:54" (1/1) ... [2021-11-20 23:36:55,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:36:55,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:36:55,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:36:55,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:36:55,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:54" (1/1) ... [2021-11-20 23:36:55,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:36:55,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:36:55,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:36:55,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:36:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:36:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:36:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:36:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:36:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:36:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:36:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:36:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:36:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:36:55,368 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:36:55,370 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:36:55,387 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 23:36:58,401 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-20 23:36:58,401 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-20 23:36:58,402 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:36:58,755 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:36:58,755 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 23:36:58,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:36:58 BoogieIcfgContainer [2021-11-20 23:36:58,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:36:58,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:36:58,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:36:58,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:36:58,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:36:54" (1/3) ... [2021-11-20 23:36:58,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e85d463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:36:58, skipping insertion in model container [2021-11-20 23:36:58,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:54" (2/3) ... [2021-11-20 23:36:58,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e85d463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:36:58, skipping insertion in model container [2021-11-20 23:36:58,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:36:58" (3/3) ... [2021-11-20 23:36:58,770 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-1.c [2021-11-20 23:36:58,775 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:36:58,775 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:36:58,835 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:36:58,849 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 [2021-11-20 23:36:58,850 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:36:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 84 states have (on average 1.7380952380952381) internal successors, (146), 85 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:36:58,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-20 23:36:58,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:58,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:36:58,879 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:36:58,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:58,883 INFO L85 PathProgramCache]: Analyzing trace with hash -489643160, now seen corresponding path program 1 times [2021-11-20 23:36:58,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:36:58,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237343786] [2021-11-20 23:36:58,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:58,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:36:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:59,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:59,279 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:36:59,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237343786] [2021-11-20 23:36:59,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237343786] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:59,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:36:59,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:36:59,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397978266] [2021-11-20 23:36:59,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:59,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:36:59,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:36:59,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:36:59,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:36:59,319 INFO L87 Difference]: Start difference. First operand has 86 states, 84 states have (on average 1.7380952380952381) internal successors, (146), 85 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:01,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:02,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:02,120 INFO L93 Difference]: Finished difference Result 173 states and 295 transitions. [2021-11-20 23:37:02,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:37:02,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-20 23:37:02,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:02,134 INFO L225 Difference]: With dead ends: 173 [2021-11-20 23:37:02,135 INFO L226 Difference]: Without dead ends: 85 [2021-11-20 23:37:02,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:37:02,141 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:02,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 323 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2021-11-20 23:37:02,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-11-20 23:37:02,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-11-20 23:37:02,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 84 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 122 transitions. [2021-11-20 23:37:02,202 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 122 transitions. Word has length 19 [2021-11-20 23:37:02,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:02,202 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 122 transitions. [2021-11-20 23:37:02,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2021-11-20 23:37:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-20 23:37:02,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:02,204 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:37:02,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:37:02,205 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:02,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:02,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1812873083, now seen corresponding path program 1 times [2021-11-20 23:37:02,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:02,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470128192] [2021-11-20 23:37:02,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:02,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:02,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:37:02,378 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:02,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470128192] [2021-11-20 23:37:02,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470128192] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:02,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:02,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:37:02,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727849540] [2021-11-20 23:37:02,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:02,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:37:02,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:02,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:37:02,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:37:02,381 INFO L87 Difference]: Start difference. First operand 85 states and 122 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:04,397 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:04,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:04,727 INFO L93 Difference]: Finished difference Result 166 states and 240 transitions. [2021-11-20 23:37:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:37:04,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-20 23:37:04,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:04,730 INFO L225 Difference]: With dead ends: 166 [2021-11-20 23:37:04,730 INFO L226 Difference]: Without dead ends: 164 [2021-11-20 23:37:04,731 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 [2021-11-20 23:37:04,733 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 85 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:04,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 201 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 23:37:04,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-20 23:37:04,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 163. [2021-11-20 23:37:04,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.462962962962963) internal successors, (237), 162 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:04,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 237 transitions. [2021-11-20 23:37:04,754 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 237 transitions. Word has length 30 [2021-11-20 23:37:04,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:04,755 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 237 transitions. [2021-11-20 23:37:04,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:04,756 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 237 transitions. [2021-11-20 23:37:04,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-20 23:37:04,758 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:04,758 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 23:37:04,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:37:04,760 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:04,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:04,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1609812834, now seen corresponding path program 1 times [2021-11-20 23:37:04,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:04,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757177602] [2021-11-20 23:37:04,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:04,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:04,878 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:37:04,878 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:04,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757177602] [2021-11-20 23:37:04,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757177602] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:04,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:04,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:37:04,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116063061] [2021-11-20 23:37:04,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:04,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:37:04,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:04,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:37:04,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:04,882 INFO L87 Difference]: Start difference. First operand 163 states and 237 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:06,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:07,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:07,443 INFO L93 Difference]: Finished difference Result 272 states and 395 transitions. [2021-11-20 23:37:07,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:37:07,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-20 23:37:07,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:07,446 INFO L225 Difference]: With dead ends: 272 [2021-11-20 23:37:07,447 INFO L226 Difference]: Without dead ends: 190 [2021-11-20 23:37:07,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:37:07,449 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 18 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:07,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 292 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 142 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 23:37:07,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-11-20 23:37:07,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 179. [2021-11-20 23:37:07,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.4775280898876404) internal successors, (263), 178 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:07,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 263 transitions. [2021-11-20 23:37:07,465 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 263 transitions. Word has length 42 [2021-11-20 23:37:07,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:07,466 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 263 transitions. [2021-11-20 23:37:07,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:07,466 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 263 transitions. [2021-11-20 23:37:07,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-20 23:37:07,469 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:07,469 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:37:07,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:37:07,470 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:07,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:07,470 INFO L85 PathProgramCache]: Analyzing trace with hash 647739467, now seen corresponding path program 2 times [2021-11-20 23:37:07,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:07,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182851361] [2021-11-20 23:37:07,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:07,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:07,566 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:37:07,566 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:07,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182851361] [2021-11-20 23:37:07,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182851361] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:07,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:07,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:37:07,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655973718] [2021-11-20 23:37:07,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:07,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:37:07,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:07,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:37:07,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:07,570 INFO L87 Difference]: Start difference. First operand 179 states and 263 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:09,581 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:10,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:10,069 INFO L93 Difference]: Finished difference Result 288 states and 420 transitions. [2021-11-20 23:37:10,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:37:10,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-20 23:37:10,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:10,072 INFO L225 Difference]: With dead ends: 288 [2021-11-20 23:37:10,072 INFO L226 Difference]: Without dead ends: 190 [2021-11-20 23:37:10,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:37:10,075 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 25 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:10,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 296 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 23:37:10,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-11-20 23:37:10,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 179. [2021-11-20 23:37:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.4719101123595506) internal successors, (262), 178 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 262 transitions. [2021-11-20 23:37:10,100 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 262 transitions. Word has length 53 [2021-11-20 23:37:10,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:10,101 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 262 transitions. [2021-11-20 23:37:10,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:10,102 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 262 transitions. [2021-11-20 23:37:10,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-20 23:37:10,105 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:10,105 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:37:10,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:37:10,106 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:10,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:10,119 INFO L85 PathProgramCache]: Analyzing trace with hash -801199898, now seen corresponding path program 1 times [2021-11-20 23:37:10,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:10,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910763224] [2021-11-20 23:37:10,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:10,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:37:10,298 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:10,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910763224] [2021-11-20 23:37:10,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910763224] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:10,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:10,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:37:10,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318765886] [2021-11-20 23:37:10,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:10,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:37:10,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:10,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:37:10,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:10,303 INFO L87 Difference]: Start difference. First operand 179 states and 262 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:12,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:12,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:12,988 INFO L93 Difference]: Finished difference Result 288 states and 418 transitions. [2021-11-20 23:37:12,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:37:12,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-20 23:37:12,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:12,992 INFO L225 Difference]: With dead ends: 288 [2021-11-20 23:37:12,992 INFO L226 Difference]: Without dead ends: 190 [2021-11-20 23:37:12,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:37:12,993 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 23 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:12,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 292 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 137 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2021-11-20 23:37:12,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-11-20 23:37:13,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 179. [2021-11-20 23:37:13,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.4662921348314606) internal successors, (261), 178 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:13,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 261 transitions. [2021-11-20 23:37:13,005 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 261 transitions. Word has length 54 [2021-11-20 23:37:13,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:13,006 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 261 transitions. [2021-11-20 23:37:13,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:13,006 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 261 transitions. [2021-11-20 23:37:13,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-20 23:37:13,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:13,008 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:37:13,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 23:37:13,009 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:13,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:13,010 INFO L85 PathProgramCache]: Analyzing trace with hash -395763461, now seen corresponding path program 1 times [2021-11-20 23:37:13,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:13,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635486903] [2021-11-20 23:37:13,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:13,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:37:13,092 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:13,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635486903] [2021-11-20 23:37:13,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635486903] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:13,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:13,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:37:13,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518802316] [2021-11-20 23:37:13,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:13,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:37:13,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:13,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:37:13,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:13,095 INFO L87 Difference]: Start difference. First operand 179 states and 261 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:15,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:15,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:15,637 INFO L93 Difference]: Finished difference Result 288 states and 416 transitions. [2021-11-20 23:37:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:37:15,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-20 23:37:15,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:15,649 INFO L225 Difference]: With dead ends: 288 [2021-11-20 23:37:15,649 INFO L226 Difference]: Without dead ends: 190 [2021-11-20 23:37:15,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:37:15,651 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 21 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:15,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 290 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 137 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 23:37:15,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-11-20 23:37:15,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 179. [2021-11-20 23:37:15,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.4606741573033708) internal successors, (260), 178 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:15,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 260 transitions. [2021-11-20 23:37:15,661 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 260 transitions. Word has length 55 [2021-11-20 23:37:15,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:15,661 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 260 transitions. [2021-11-20 23:37:15,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 260 transitions. [2021-11-20 23:37:15,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 23:37:15,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:15,676 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:37:15,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 23:37:15,676 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:15,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:15,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1985818527, now seen corresponding path program 1 times [2021-11-20 23:37:15,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:15,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875988746] [2021-11-20 23:37:15,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:15,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:15,755 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:37:15,756 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:15,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875988746] [2021-11-20 23:37:15,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875988746] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:15,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:15,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:37:15,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504833276] [2021-11-20 23:37:15,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:15,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:37:15,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:15,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:37:15,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:15,758 INFO L87 Difference]: Start difference. First operand 179 states and 260 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:17,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:18,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:18,174 INFO L93 Difference]: Finished difference Result 288 states and 414 transitions. [2021-11-20 23:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:37:18,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-20 23:37:18,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:18,177 INFO L225 Difference]: With dead ends: 288 [2021-11-20 23:37:18,177 INFO L226 Difference]: Without dead ends: 190 [2021-11-20 23:37:18,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:37:18,178 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 19 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:18,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 288 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 137 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 23:37:18,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-11-20 23:37:18,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 179. [2021-11-20 23:37:18,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.4550561797752808) internal successors, (259), 178 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:18,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 259 transitions. [2021-11-20 23:37:18,187 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 259 transitions. Word has length 56 [2021-11-20 23:37:18,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:18,187 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 259 transitions. [2021-11-20 23:37:18,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:18,188 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 259 transitions. [2021-11-20 23:37:18,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 23:37:18,189 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:18,189 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-20 23:37:18,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 23:37:18,189 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:18,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:18,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1847160137, now seen corresponding path program 1 times [2021-11-20 23:37:18,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:18,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153910481] [2021-11-20 23:37:18,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:18,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:18,327 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:37:18,328 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:18,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153910481] [2021-11-20 23:37:18,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153910481] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:37:18,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294850334] [2021-11-20 23:37:18,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:18,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:37:18,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:37:18,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:37:18,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:37:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:18,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:37:18,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:37:18,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-20 23:37:18,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294850334] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 23:37:18,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:37:18,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 5 [2021-11-20 23:37:18,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740371352] [2021-11-20 23:37:18,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:18,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:37:18,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:18,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:37:18,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:37:18,977 INFO L87 Difference]: Start difference. First operand 179 states and 259 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:20,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:21,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:21,341 INFO L93 Difference]: Finished difference Result 353 states and 513 transitions. [2021-11-20 23:37:21,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:37:21,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-20 23:37:21,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:21,346 INFO L225 Difference]: With dead ends: 353 [2021-11-20 23:37:21,347 INFO L226 Difference]: Without dead ends: 351 [2021-11-20 23:37:21,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:37:21,349 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 81 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:21,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 201 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 23:37:21,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-20 23:37:21,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 349. [2021-11-20 23:37:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.4626436781609196) internal successors, (509), 348 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 509 transitions. [2021-11-20 23:37:21,365 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 509 transitions. Word has length 56 [2021-11-20 23:37:21,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:21,366 INFO L470 AbstractCegarLoop]: Abstraction has 349 states and 509 transitions. [2021-11-20 23:37:21,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:21,366 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 509 transitions. [2021-11-20 23:37:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-20 23:37:21,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:21,369 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 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] [2021-11-20 23:37:21,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:21,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-20 23:37:21,583 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:21,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:21,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1210677136, now seen corresponding path program 1 times [2021-11-20 23:37:21,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:21,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002543389] [2021-11-20 23:37:21,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:21,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:21,756 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-20 23:37:21,756 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:21,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002543389] [2021-11-20 23:37:21,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002543389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:21,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:21,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 23:37:21,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712804756] [2021-11-20 23:37:21,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:21,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 23:37:21,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:21,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 23:37:21,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:37:21,760 INFO L87 Difference]: Start difference. First operand 349 states and 509 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:23,771 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:25,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:25,364 INFO L93 Difference]: Finished difference Result 843 states and 1235 transitions. [2021-11-20 23:37:25,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:37:25,365 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-11-20 23:37:25,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:25,370 INFO L225 Difference]: With dead ends: 843 [2021-11-20 23:37:25,370 INFO L226 Difference]: Without dead ends: 667 [2021-11-20 23:37:25,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:37:25,371 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 140 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:25,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 439 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 344 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-20 23:37:25,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2021-11-20 23:37:25,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 445. [2021-11-20 23:37:25,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 444 states have (on average 1.5247747747747749) internal successors, (677), 444 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:25,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 677 transitions. [2021-11-20 23:37:25,392 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 677 transitions. Word has length 78 [2021-11-20 23:37:25,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:25,392 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 677 transitions. [2021-11-20 23:37:25,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:25,393 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 677 transitions. [2021-11-20 23:37:25,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-20 23:37:25,394 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:25,395 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 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] [2021-11-20 23:37:25,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 23:37:25,395 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:25,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:25,396 INFO L85 PathProgramCache]: Analyzing trace with hash -216918864, now seen corresponding path program 2 times [2021-11-20 23:37:25,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:25,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407091207] [2021-11-20 23:37:25,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:25,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-20 23:37:25,517 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:25,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407091207] [2021-11-20 23:37:25,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407091207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:25,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:25,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 23:37:25,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358135342] [2021-11-20 23:37:25,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:25,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 23:37:25,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:25,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 23:37:25,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:37:25,520 INFO L87 Difference]: Start difference. First operand 445 states and 677 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:27,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:29,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:29,226 INFO L93 Difference]: Finished difference Result 1109 states and 1649 transitions. [2021-11-20 23:37:29,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:37:29,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-11-20 23:37:29,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:29,233 INFO L225 Difference]: With dead ends: 1109 [2021-11-20 23:37:29,234 INFO L226 Difference]: Without dead ends: 667 [2021-11-20 23:37:29,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:37:29,235 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 189 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:29,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 441 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 344 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-11-20 23:37:29,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2021-11-20 23:37:29,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 445. [2021-11-20 23:37:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 444 states have (on average 1.5157657657657657) internal successors, (673), 444 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 673 transitions. [2021-11-20 23:37:29,256 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 673 transitions. Word has length 78 [2021-11-20 23:37:29,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:29,257 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 673 transitions. [2021-11-20 23:37:29,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:29,257 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 673 transitions. [2021-11-20 23:37:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-20 23:37:29,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:29,259 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:37:29,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 23:37:29,260 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:29,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:29,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1363633935, now seen corresponding path program 1 times [2021-11-20 23:37:29,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:29,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335829178] [2021-11-20 23:37:29,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:29,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:37:29,371 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:29,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335829178] [2021-11-20 23:37:29,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335829178] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:29,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:29,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:37:29,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725413522] [2021-11-20 23:37:29,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:29,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:37:29,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:29,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:37:29,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:29,374 INFO L87 Difference]: Start difference. First operand 445 states and 673 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:31,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:32,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:32,194 INFO L93 Difference]: Finished difference Result 693 states and 1041 transitions. [2021-11-20 23:37:32,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:37:32,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-11-20 23:37:32,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:32,198 INFO L225 Difference]: With dead ends: 693 [2021-11-20 23:37:32,198 INFO L226 Difference]: Without dead ends: 453 [2021-11-20 23:37:32,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:37:32,200 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 13 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:32,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 278 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 128 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-20 23:37:32,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2021-11-20 23:37:32,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 445. [2021-11-20 23:37:32,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 444 states have (on average 1.5112612612612613) internal successors, (671), 444 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 671 transitions. [2021-11-20 23:37:32,242 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 671 transitions. Word has length 79 [2021-11-20 23:37:32,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:32,243 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 671 transitions. [2021-11-20 23:37:32,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:32,243 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 671 transitions. [2021-11-20 23:37:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-20 23:37:32,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:32,245 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 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] [2021-11-20 23:37:32,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 23:37:32,246 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:32,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:32,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1044832603, now seen corresponding path program 1 times [2021-11-20 23:37:32,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:32,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416900452] [2021-11-20 23:37:32,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:32,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:37:32,371 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:32,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416900452] [2021-11-20 23:37:32,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416900452] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:37:32,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959721204] [2021-11-20 23:37:32,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:32,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:37:32,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:37:32,375 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:37:32,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:37:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:32,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:37:32,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:32,797 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:37:32,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:33,342 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-20 23:37:33,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959721204] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:37:33,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1523178805] [2021-11-20 23:37:33,363 INFO L159 IcfgInterpreter]: Started Sifa with 38 locations of interest [2021-11-20 23:37:33,363 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:37:33,367 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:37:33,372 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:37:33,372 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:37:35,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:36,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-20 23:37:36,171 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Some non-self update cases but no top-level DER relation at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:146) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:340) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:115) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:903) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:865) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:783) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:425) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:162) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:243) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:233) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:278) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 23:37:36,175 INFO L158 Benchmark]: Toolchain (without parser) took 41990.88ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 97.0MB in the beginning and 73.0MB in the end (delta: 24.0MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. [2021-11-20 23:37:36,175 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:37:36,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.67ms. Allocated memory is still 134.2MB. Free memory was 96.7MB in the beginning and 90.6MB in the end (delta: 6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 23:37:36,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.63ms. Allocated memory is still 134.2MB. Free memory was 90.6MB in the beginning and 85.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:37:36,176 INFO L158 Benchmark]: Boogie Preprocessor took 109.15ms. Allocated memory is still 134.2MB. Free memory was 85.7MB in the beginning and 79.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:37:36,177 INFO L158 Benchmark]: RCFGBuilder took 3653.51ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 79.4MB in the beginning and 98.4MB in the end (delta: -19.0MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2021-11-20 23:37:36,177 INFO L158 Benchmark]: TraceAbstraction took 37410.40ms. Allocated memory is still 184.5MB. Free memory was 97.3MB in the beginning and 73.0MB in the end (delta: 24.3MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2021-11-20 23:37:36,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 695.67ms. Allocated memory is still 134.2MB. Free memory was 96.7MB in the beginning and 90.6MB in the end (delta: 6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.63ms. Allocated memory is still 134.2MB. Free memory was 90.6MB in the beginning and 85.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.15ms. Allocated memory is still 134.2MB. Free memory was 85.7MB in the beginning and 79.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3653.51ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 79.4MB in the beginning and 98.4MB in the end (delta: -19.0MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * TraceAbstraction took 37410.40ms. Allocated memory is still 184.5MB. Free memory was 97.3MB in the beginning and 73.0MB in the end (delta: 24.3MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Some non-self update cases but no top-level DER relation de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Some non-self update cases but no top-level DER relation: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-20 23:37:36,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/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_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/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 a94ea84ce989fbbbaf2c8eaba75d5160290d15621b4e8c8582440d0d85685d8d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:37:38,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:37:38,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:37:38,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:37:38,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:37:38,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:37:38,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:37:38,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:37:38,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:37:38,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:37:38,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:37:38,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:37:38,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:37:38,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:37:38,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:37:38,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:37:38,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:37:38,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:37:38,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:37:38,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:37:38,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:37:38,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:37:38,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:37:38,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:37:38,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:37:38,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:37:38,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:37:38,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:37:38,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:37:38,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:37:38,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:37:38,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:37:38,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:37:38,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:37:38,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:37:38,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:37:38,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:37:38,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:37:38,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:37:38,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:37:38,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:37:38,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 23:37:38,608 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:37:38,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:37:38,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:37:38,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:37:38,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:37:38,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:37:38,611 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:37:38,611 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:37:38,611 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:37:38,612 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:37:38,613 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:37:38,613 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:37:38,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:37:38,615 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:37:38,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:37:38,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:37:38,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:37:38,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:37:38,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:37:38,616 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:37:38,616 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:37:38,617 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:37:38,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:37:38,617 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:37:38,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:37:38,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:37:38,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:37:38,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:37:38,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:37:38,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:37:38,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:37:38,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:37:38,620 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:37:38,620 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:37:38,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:37:38,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:37:38,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:37:38,621 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_a017c398-2a64-4a88-a548-2b1cc041d0a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a94ea84ce989fbbbaf2c8eaba75d5160290d15621b4e8c8582440d0d85685d8d [2021-11-20 23:37:38,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:37:39,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:37:39,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:37:39,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:37:39,023 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:37:39,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c [2021-11-20 23:37:39,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/data/752151e3a/446c126c35ca436fbfb4a8b67256a7f6/FLAGc96033592 [2021-11-20 23:37:39,705 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:37:39,705 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c [2021-11-20 23:37:39,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/data/752151e3a/446c126c35ca436fbfb4a8b67256a7f6/FLAGc96033592 [2021-11-20 23:37:39,946 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/data/752151e3a/446c126c35ca436fbfb4a8b67256a7f6 [2021-11-20 23:37:39,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:37:39,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:37:39,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:37:39,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:37:39,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:37:39,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:39" (1/1) ... [2021-11-20 23:37:39,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7c6421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:39, skipping insertion in model container [2021-11-20 23:37:39,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:39" (1/1) ... [2021-11-20 23:37:39,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:37:40,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:37:40,439 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_a017c398-2a64-4a88-a548-2b1cc041d0a4/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2021-11-20 23:37:40,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:37:40,467 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:37:40,645 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_a017c398-2a64-4a88-a548-2b1cc041d0a4/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2021-11-20 23:37:40,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:37:40,689 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:37:40,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:40 WrapperNode [2021-11-20 23:37:40,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:37:40,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:37:40,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:37:40,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:37:40,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:40" (1/1) ... [2021-11-20 23:37:40,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:40" (1/1) ... [2021-11-20 23:37:40,786 INFO L137 Inliner]: procedures = 35, calls = 217, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 694 [2021-11-20 23:37:40,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:37:40,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:37:40,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:37:40,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:37:40,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:40" (1/1) ... [2021-11-20 23:37:40,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:40" (1/1) ... [2021-11-20 23:37:40,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:40" (1/1) ... [2021-11-20 23:37:40,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:40" (1/1) ... [2021-11-20 23:37:40,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:40" (1/1) ... [2021-11-20 23:37:40,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:40" (1/1) ... [2021-11-20 23:37:40,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:40" (1/1) ... [2021-11-20 23:37:40,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:37:40,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:37:40,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:37:40,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:37:40,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:40" (1/1) ... [2021-11-20 23:37:40,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:37:40,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:37:40,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:37:40,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:37:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:37:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 23:37:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:37:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 23:37:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:37:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:37:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:37:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:37:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 23:37:41,144 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:37:41,146 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:37:41,186 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 23:37:45,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-20 23:37:45,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-20 23:37:45,229 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:37:45,237 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:37:45,237 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 23:37:45,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:45 BoogieIcfgContainer [2021-11-20 23:37:45,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:37:45,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:37:45,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:37:45,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:37:45,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:37:39" (1/3) ... [2021-11-20 23:37:45,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706dcc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:45, skipping insertion in model container [2021-11-20 23:37:45,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:40" (2/3) ... [2021-11-20 23:37:45,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706dcc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:45, skipping insertion in model container [2021-11-20 23:37:45,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:45" (3/3) ... [2021-11-20 23:37:45,247 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-1.c [2021-11-20 23:37:45,253 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:37:45,253 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:37:45,315 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:37:45,323 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 [2021-11-20 23:37:45,323 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:37:45,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 129 states have (on average 1.689922480620155) internal successors, (218), 130 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:45,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 23:37:45,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:45,349 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] [2021-11-20 23:37:45,349 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:45,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:45,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1457703966, now seen corresponding path program 1 times [2021-11-20 23:37:45,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:45,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700252194] [2021-11-20 23:37:45,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:45,369 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:45,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:45,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:45,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 23:37:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:45,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 23:37:45,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:45,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:45,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:46,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:46,141 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:46,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700252194] [2021-11-20 23:37:46,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1700252194] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:46,142 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:46,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 23:37:46,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640269142] [2021-11-20 23:37:46,144 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:46,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:37:46,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:46,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:37:46,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:46,189 INFO L87 Difference]: Start difference. First operand has 131 states, 129 states have (on average 1.689922480620155) internal successors, (218), 130 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:46,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:46,448 INFO L93 Difference]: Finished difference Result 496 states and 829 transitions. [2021-11-20 23:37:46,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:37:46,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-20 23:37:46,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:46,474 INFO L225 Difference]: With dead ends: 496 [2021-11-20 23:37:46,474 INFO L226 Difference]: Without dead ends: 321 [2021-11-20 23:37:46,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:46,490 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 361 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:46,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [361 Valid, 588 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:37:46,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-11-20 23:37:46,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2021-11-20 23:37:46,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 320 states have (on average 1.49375) internal successors, (478), 320 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:46,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 478 transitions. [2021-11-20 23:37:46,598 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 478 transitions. Word has length 24 [2021-11-20 23:37:46,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:46,598 INFO L470 AbstractCegarLoop]: Abstraction has 321 states and 478 transitions. [2021-11-20 23:37:46,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:46,598 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 478 transitions. [2021-11-20 23:37:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-20 23:37:46,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:46,604 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:37:46,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:46,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:46,805 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:46,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:46,806 INFO L85 PathProgramCache]: Analyzing trace with hash 908084980, now seen corresponding path program 1 times [2021-11-20 23:37:46,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:46,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520896778] [2021-11-20 23:37:46,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:46,816 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:46,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:46,823 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:46,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 23:37:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:47,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 23:37:47,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:47,442 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:47,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:47,831 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:47,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520896778] [2021-11-20 23:37:47,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520896778] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:47,831 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:47,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 23:37:47,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602820976] [2021-11-20 23:37:47,832 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:47,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:37:47,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:47,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:37:47,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:47,835 INFO L87 Difference]: Start difference. First operand 321 states and 478 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:49,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:50,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:50,037 INFO L93 Difference]: Finished difference Result 836 states and 1249 transitions. [2021-11-20 23:37:50,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:37:50,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-20 23:37:50,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:50,043 INFO L225 Difference]: With dead ends: 836 [2021-11-20 23:37:50,043 INFO L226 Difference]: Without dead ends: 625 [2021-11-20 23:37:50,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:50,046 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 254 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:50,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 761 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 23:37:50,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2021-11-20 23:37:50,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 525. [2021-11-20 23:37:50,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.4866412213740459) internal successors, (779), 524 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:50,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 779 transitions. [2021-11-20 23:37:50,083 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 779 transitions. Word has length 65 [2021-11-20 23:37:50,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:50,083 INFO L470 AbstractCegarLoop]: Abstraction has 525 states and 779 transitions. [2021-11-20 23:37:50,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:50,084 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 779 transitions. [2021-11-20 23:37:50,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-20 23:37:50,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:50,089 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2021-11-20 23:37:50,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:50,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:50,311 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:50,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:50,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1159650437, now seen corresponding path program 1 times [2021-11-20 23:37:50,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:50,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [685132633] [2021-11-20 23:37:50,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:50,326 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:50,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:50,327 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:50,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 23:37:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:50,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 23:37:50,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 23:37:51,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:51,566 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 23:37:51,566 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:51,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [685132633] [2021-11-20 23:37:51,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [685132633] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:51,566 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:51,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 23:37:51,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892317117] [2021-11-20 23:37:51,567 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:51,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:37:51,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:51,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:37:51,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:51,569 INFO L87 Difference]: Start difference. First operand 525 states and 779 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:53,584 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:53,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:53,804 INFO L93 Difference]: Finished difference Result 1248 states and 1856 transitions. [2021-11-20 23:37:53,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:37:53,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2021-11-20 23:37:53,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:53,811 INFO L225 Difference]: With dead ends: 1248 [2021-11-20 23:37:53,811 INFO L226 Difference]: Without dead ends: 833 [2021-11-20 23:37:53,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:53,813 INFO L933 BasicCegarLoop]: 450 mSDtfsCounter, 263 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:53,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 905 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 23:37:53,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2021-11-20 23:37:53,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 732. [2021-11-20 23:37:53,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 731 states have (on average 1.481532147742818) internal successors, (1083), 731 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:53,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1083 transitions. [2021-11-20 23:37:53,854 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1083 transitions. Word has length 104 [2021-11-20 23:37:53,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:53,855 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 1083 transitions. [2021-11-20 23:37:53,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:37:53,855 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1083 transitions. [2021-11-20 23:37:53,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-20 23:37:53,858 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:53,858 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2021-11-20 23:37:53,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:54,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:54,079 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:54,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:54,080 INFO L85 PathProgramCache]: Analyzing trace with hash 876212838, now seen corresponding path program 1 times [2021-11-20 23:37:54,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:54,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153894980] [2021-11-20 23:37:54,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:54,082 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:54,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:54,083 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:54,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a017c398-2a64-4a88-a548-2b1cc041d0a4/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 23:37:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:54,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 23:37:54,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:56,458 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:37:56,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2058 treesize of output 1842 [2021-11-20 23:38:01,981 WARN L227 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:38:01,981 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:38:01,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2067 treesize of output 1935 [2021-11-20 23:40:39,443 WARN L227 SmtUtils]: Spent 2.62m on a formula simplification. DAG size of input: 319 DAG size of output: 205 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:40:39,446 INFO L354 Elim1Store]: treesize reduction 2256, result has 40.6 percent of original size [2021-11-20 23:40:39,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 1863 treesize of output 2037 [2021-11-20 23:40:39,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2070 treesize of output 1860 [2021-11-20 23:40:39,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1860 treesize of output 1650 [2021-11-20 23:43:21,709 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:43:21,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1865 treesize of output 1667 [2021-11-20 23:43:43,632 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:43:43,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1294 treesize of output 1124 [2021-11-20 23:43:53,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:53,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2021-11-20 23:43:54,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:54,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-11-20 23:43:54,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:54,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-11-20 23:43:54,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:43:54,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:43:56,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:43:56,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:43:56,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:56,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-11-20 23:43:56,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:56,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-11-20 23:43:57,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:57,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-11-20 23:43:58,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:58,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:43:58,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:58,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:43:59,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:59,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:44:00,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:00,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2021-11-20 23:44:01,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:01,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-11-20 23:44:01,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:01,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-11-20 23:44:01,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:02,122 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:03,685 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:03,836 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:04,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:04,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-11-20 23:44:04,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:04,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-11-20 23:44:05,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:05,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-11-20 23:44:06,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:06,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:44:06,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:06,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:44:06,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:06,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:44:08,122 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:44:08,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 66 [2021-11-20 23:44:08,516 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:08,593 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:08,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:08,965 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:44:08,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 84 [2021-11-20 23:44:09,324 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:09,608 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:10,113 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:44:10,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 66 [2021-11-20 23:44:11,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:11,363 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:11,526 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:11,898 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:12,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:12,836 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:44:12,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 87 [2021-11-20 23:44:13,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:13,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 92 [2021-11-20 23:44:13,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:13,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 92 [2021-11-20 23:44:14,343 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:44:14,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 105 [2021-11-20 23:44:15,640 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:44:15,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 87 [2021-11-20 23:44:16,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:16,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 87 [2021-11-20 23:44:18,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:18,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2021-11-20 23:44:18,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:18,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-11-20 23:44:18,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:18,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-11-20 23:44:19,247 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:19,429 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:20,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:20,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:21,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:21,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-11-20 23:44:21,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:21,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-11-20 23:44:21,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:21,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-11-20 23:44:22,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:22,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:44:23,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:23,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:44:23,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:23,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:44:29,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:29,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:30,872 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:31,035 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:31,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:31,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 63 [2021-11-20 23:44:32,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:32,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-11-20 23:44:32,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:32,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-11-20 23:44:33,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:33,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-20 23:44:33,463 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:33,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:33,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 45 [2021-11-20 23:44:33,995 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:34,410 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:36,605 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:36,772 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:38,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:38,269 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:38,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:38,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 63 [2021-11-20 23:44:39,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:39,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-11-20 23:44:39,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:39,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-11-20 23:44:40,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:40,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-20 23:44:40,634 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:40,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:40,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 45 [2021-11-20 23:44:41,173 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:41,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:43,796 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:43,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:45,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:45,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:46,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:46,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 63 [2021-11-20 23:44:46,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:46,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-11-20 23:44:46,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:46,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-11-20 23:44:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:47,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-20 23:44:47,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:48,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:48,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 45 [2021-11-20 23:44:48,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:48,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:51,999 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:52,127 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:52,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:52,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 87 [2021-11-20 23:44:52,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:52,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 100 [2021-11-20 23:44:53,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:53,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 87 [2021-11-20 23:44:53,974 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:54,120 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:54,230 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:54,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:54,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 82 [2021-11-20 23:44:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:55,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 69 [2021-11-20 23:45:02,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:02,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 84 [2021-11-20 23:45:02,685 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:45:02,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 111 [2021-11-20 23:45:04,085 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:45:04,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 97 [2021-11-20 23:45:05,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:05,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 102 [2021-11-20 23:45:05,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:05,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 102 [2021-11-20 23:45:05,987 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:45:05,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 123 [2021-11-20 23:45:07,585 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:07,732 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:07,978 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:45:07,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 105 [2021-11-20 23:45:10,901 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:11,024 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:11,432 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:45:11,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 90 [2021-11-20 23:45:12,362 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:45:12,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 138 treesize of output 102 [2021-11-20 23:45:13,121 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:13,302 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:13,988 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:45:13,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 76 [2021-11-20 23:45:14,433 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:14,579 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:15,486 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:45:15,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 84 [2021-11-20 23:45:17,691 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:17,829 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:18,165 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:45:18,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 76 [2021-11-20 23:45:18,933 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:45:18,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 138 treesize of output 102 [2021-11-20 23:45:19,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:19,842 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:20,471 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:45:20,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 76 [2021-11-20 23:45:20,586 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:20,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:21,208 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:45:21,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 1 [2021-11-20 23:45:25,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:25,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 78 [2021-11-20 23:45:26,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:26,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 65 [2021-11-20 23:45:26,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:26,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 65 [2021-11-20 23:45:27,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:27,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2021-11-20 23:45:28,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:28,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:45:29,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:29,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:45:29,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:29,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:45:31,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:31,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:45:31,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:31,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:45:33,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:33,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:45:33,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:34,045 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:34,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:34,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 57 [2021-11-20 23:45:36,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:36,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:45:37,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:37,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:45:38,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:38,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:45:39,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:39,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:39,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:39,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 57 [2021-11-20 23:45:44,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:44,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 78 [2021-11-20 23:45:45,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:45,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 65 [2021-11-20 23:45:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:45,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 65 [2021-11-20 23:45:46,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:46,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2021-11-20 23:45:46,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:46,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:45:48,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:48,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:45:49,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:49,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:45:51,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:51,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:45:52,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:52,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:45:52,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:52,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:45:53,473 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:53,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:53,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 57 [2021-11-20 23:45:55,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:55,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:45:56,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:56,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:45:57,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:57,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:45:58,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:58,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:45:59,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:45:59,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 57 [2021-11-20 23:46:03,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:03,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 78 [2021-11-20 23:46:04,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:04,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 65 [2021-11-20 23:46:04,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:04,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 65 [2021-11-20 23:46:06,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:06,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2021-11-20 23:46:06,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:06,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:46:07,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:07,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:46:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:08,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:46:10,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:10,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:46:11,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:11,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:46:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:12,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:46:13,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:46:13,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:46:14,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:14,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 57 [2021-11-20 23:46:15,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:15,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:46:16,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:16,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:46:17,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:17,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:46:18,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:46:18,919 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:46:19,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:19,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 57 [2021-11-20 23:46:56,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:56,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2021-11-20 23:46:57,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:57,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-11-20 23:46:57,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:46:57,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-11-20 23:46:57,987 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:46:58,193 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:00,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:00,299 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:00,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:00,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-11-20 23:47:01,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:01,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-11-20 23:47:01,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:01,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-11-20 23:47:03,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:03,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:47:03,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:03,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:47:04,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:04,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:47:06,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:47:06,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 34 [2021-11-20 23:47:06,597 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:06,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 47 [2021-11-20 23:47:07,677 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:07,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 29 [2021-11-20 23:47:08,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:47:08,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 11 [2021-11-20 23:47:08,291 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:08,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 29 [2021-11-20 23:47:08,678 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:08,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:47:08,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-11-20 23:47:10,900 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:11,035 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:11,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:11,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-11-20 23:47:11,936 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:11,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 55 [2021-11-20 23:47:12,336 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:12,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 68 [2021-11-20 23:47:13,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:47:13,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-11-20 23:47:13,955 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:13,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:47:14,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:14,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:47:14,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:47:14,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 32 [2021-11-20 23:47:15,108 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:15,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:47:17,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:17,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 53 [2021-11-20 23:47:17,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:17,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 66 [2021-11-20 23:47:17,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:18,079 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:18,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:18,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 84 [2021-11-20 23:47:18,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:18,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 71 [2021-11-20 23:47:19,277 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:19,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 87 [2021-11-20 23:47:20,022 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:20,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 74 [2021-11-20 23:47:20,452 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:20,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 128 treesize of output 92 [2021-11-20 23:47:20,698 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:20,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 105 [2021-11-20 23:47:21,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:21,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 92 [2021-11-20 23:47:23,560 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:23,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 74 [2021-11-20 23:47:23,854 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:23,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 87 [2021-11-20 23:47:24,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:24,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 74 [2021-11-20 23:47:24,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:24,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 87 [2021-11-20 23:47:25,680 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:25,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 66 [2021-11-20 23:47:25,938 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:25,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 53 [2021-11-20 23:47:26,335 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:26,455 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:26,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:27,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:27,366 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:27,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 84 [2021-11-20 23:47:27,911 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:27,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 71 [2021-11-20 23:47:28,674 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:28,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 66 [2021-11-20 23:47:29,210 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:47:29,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 53 [2021-11-20 23:47:31,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:31,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2021-11-20 23:47:32,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:32,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-11-20 23:47:33,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:33,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-11-20 23:47:33,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:34,106 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:36,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:36,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:36,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:36,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-11-20 23:47:37,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:37,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-11-20 23:47:37,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:37,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-11-20 23:47:38,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:38,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:47:39,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:39,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:47:39,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:39,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 23:47:47,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:47,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:48,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:48,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 63 [2021-11-20 23:47:49,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:49,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-11-20 23:47:49,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:49,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-11-20 23:47:50,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:50,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-20 23:47:50,994 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:51,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:51,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 45 [2021-11-20 23:47:51,778 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:52,481 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:54,439 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:54,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:57,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:57,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:58,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:58,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 63 [2021-11-20 23:47:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:59,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-11-20 23:48:00,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-11-20 23:48:01,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-20 23:48:01,576 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:01,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 45 [2021-11-20 23:48:02,353 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:02,976 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:04,826 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:05,048 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:07,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:08,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:09,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:09,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 63 [2021-11-20 23:48:09,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:09,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-11-20 23:48:10,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:10,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-11-20 23:48:11,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:11,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-20 23:48:11,648 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:11,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:11,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 45 [2021-11-20 23:48:12,433 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:13,084 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:15,089 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:15,285 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:17,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:17,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2021-11-20 23:48:17,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:17,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 61 [2021-11-20 23:48:18,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:18,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 79 [2021-11-20 23:48:19,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:19,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 66 [2021-11-20 23:48:21,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:21,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:21,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:21,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 87 [2021-11-20 23:48:22,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:22,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 100 [2021-11-20 23:48:22,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:22,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 87 [2021-11-20 23:48:24,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:24,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:24,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:24,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:24,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 82 [2021-11-20 23:48:25,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:25,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 69 [2021-11-20 23:48:36,946 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:37,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:37,660 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:48:37,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 90 [2021-11-20 23:48:38,818 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:48:38,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 138 treesize of output 108 [2021-11-20 23:48:40,429 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:40,792 INFO L354 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2021-11-20 23:48:40,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 84 [2021-11-20 23:48:42,560 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:42,911 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:48:42,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 76 [2021-11-20 23:48:43,695 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:48:43,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 63 [2021-11-20 23:48:44,883 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:48:44,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 1 [2021-11-20 23:48:45,342 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:48:45,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 84 [2021-11-20 23:48:48,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:48,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 84 [2021-11-20 23:48:49,188 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:48:49,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 105 [2021-11-20 23:48:50,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:50,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 84 [2021-11-20 23:48:51,216 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:48:51,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 84 [2021-11-20 23:48:51,591 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:48:51,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 97 [2021-11-20 23:48:52,104 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:48:52,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 146 treesize of output 110 [2021-11-20 23:48:52,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:52,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 102 [2021-11-20 23:48:53,604 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:48:53,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 123 [2021-11-20 23:48:56,033 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:48:56,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 1 [2021-11-20 23:48:56,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:48:56,487 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:48:56,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 1 [2021-11-20 23:48:58,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:58,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-11-20 23:48:58,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:58,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-11-20 23:48:59,280 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:48:59,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 84 [2021-11-20 23:49:00,363 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:49:00,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 138 treesize of output 102 [2021-11-20 23:49:01,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:01,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 81 [2021-11-20 23:49:01,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:01,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 81 [2021-11-20 23:49:02,892 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:49:03,082 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:49:03,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 76 [2021-11-20 23:49:03,248 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:49:03,836 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:49:03,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 1 [2021-11-20 23:49:10,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:10,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:49:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:11,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:49:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:13,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:49:14,272 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:49:14,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:49:14,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 57 [2021-11-20 23:49:17,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:17,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 65 [2021-11-20 23:49:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:17,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 78 [2021-11-20 23:49:18,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:18,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 65 [2021-11-20 23:49:20,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:20,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:49:21,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:21,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2021-11-20 23:49:22,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:22,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:49:23,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:23,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:49:25,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:25,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:49:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:25,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:49:26,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:26,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:49:27,122 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:49:27,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:49:27,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 57 [2021-11-20 23:49:33,241 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:49:33,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 47 [2021-11-20 23:49:33,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:33,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2021-11-20 23:49:34,637 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:49:34,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:49:35,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:35,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 21 [2021-11-20 23:49:36,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:36,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:49:37,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:37,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 44 [2021-11-20 23:49:37,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:49:38,385 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:49:38,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 65 [2021-11-20 23:49:41,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 65 [2021-11-20 23:49:41,733 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:49:41,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 122 treesize of output 86 [2021-11-20 23:49:42,898 INFO L354 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2021-11-20 23:49:42,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 73 [2021-11-20 23:49:44,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:44,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:49:45,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:45,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2021-11-20 23:49:46,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:46,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2021-11-20 23:49:46,656 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:49:46,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 1 [2021-11-20 23:49:47,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:47,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 42 [2021-11-20 23:49:47,416 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 23:49:47,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:49:49,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:49,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:49:49,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:49,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:49:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:49:51,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:49:51,662 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:49:51,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:51,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 57 [2021-11-20 23:49:57,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:57,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:49:58,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:58,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:50:00,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:00,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:50:01,900 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:50:02,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:50:02,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:02,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 57 [2021-11-20 23:50:05,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:05,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 65 [2021-11-20 23:50:05,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:05,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 78 [2021-11-20 23:50:06,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:06,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 65 [2021-11-20 23:50:08,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:08,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:50:09,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:09,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2021-11-20 23:50:10,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:10,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:50:10,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:10,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 60 [2021-11-20 23:50:12,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:12,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:50:13,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:13,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:50:13,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:13,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-11-20 23:50:14,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:50:14,883 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:50:15,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:15,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 57