./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/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_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/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_ce2d0385-7ff9-473a-8e6f-d85c7905a728/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 834766c90c3d5af368509ae691087999af545dba19d7eed6a5d75f823cbb2437 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:57:12,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:57:12,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:57:13,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:57:13,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:57:13,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:57:13,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:57:13,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:57:13,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:57:13,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:57:13,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:57:13,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:57:13,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:57:13,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:57:13,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:57:13,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:57:13,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:57:13,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:57:13,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:57:13,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:57:13,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:57:13,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:57:13,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:57:13,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:57:13,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:57:13,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:57:13,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:57:13,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:57:13,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:57:13,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:57:13,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:57:13,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:57:13,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:57:13,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:57:13,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:57:13,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:57:13,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:57:13,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:57:13,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:57:13,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:57:13,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:57:13,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:57:13,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:57:13,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:57:13,114 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:57:13,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:57:13,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:57:13,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:57:13,116 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:57:13,116 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:57:13,117 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:57:13,117 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:57:13,117 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:57:13,117 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:57:13,118 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:57:13,118 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:57:13,118 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:57:13,119 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:57:13,119 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:57:13,119 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:57:13,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:57:13,121 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:57:13,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:57:13,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:57:13,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:57:13,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:57:13,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:57:13,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:57:13,123 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:57:13,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:57:13,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:57:13,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:57:13,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:57:13,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:57:13,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:57:13,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:57:13,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:57:13,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:57:13,125 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:57:13,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:57:13,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:57:13,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:57:13,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:57:13,127 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_ce2d0385-7ff9-473a-8e6f-d85c7905a728/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 834766c90c3d5af368509ae691087999af545dba19d7eed6a5d75f823cbb2437 [2021-11-21 01:57:13,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:57:13,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:57:13,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:57:13,380 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:57:13,381 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:57:13,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i [2021-11-21 01:57:13,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/data/79dcc7a68/4669d9a940784889b7a9842a08a2b708/FLAGe737bd7e4 [2021-11-21 01:57:14,150 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:57:14,150 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i [2021-11-21 01:57:14,186 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/data/79dcc7a68/4669d9a940784889b7a9842a08a2b708/FLAGe737bd7e4 [2021-11-21 01:57:14,367 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/data/79dcc7a68/4669d9a940784889b7a9842a08a2b708 [2021-11-21 01:57:14,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:57:14,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:57:14,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:57:14,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:57:14,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:57:14,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:57:14" (1/1) ... [2021-11-21 01:57:14,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@640a6253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:14, skipping insertion in model container [2021-11-21 01:57:14,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:57:14" (1/1) ... [2021-11-21 01:57:14,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:57:14,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:57:14,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i[33021,33034] [2021-11-21 01:57:15,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:57:15,171 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:57:15,210 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_ce2d0385-7ff9-473a-8e6f-d85c7905a728/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i[33021,33034] [2021-11-21 01:57:15,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:57:15,331 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:57:15,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:15 WrapperNode [2021-11-21 01:57:15,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:57:15,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:57:15,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:57:15,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:57:15,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:15" (1/1) ... [2021-11-21 01:57:15,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:15" (1/1) ... [2021-11-21 01:57:15,487 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-21 01:57:15,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:57:15,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:57:15,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:57:15,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:57:15,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:15" (1/1) ... [2021-11-21 01:57:15,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:15" (1/1) ... [2021-11-21 01:57:15,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:15" (1/1) ... [2021-11-21 01:57:15,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:15" (1/1) ... [2021-11-21 01:57:15,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:15" (1/1) ... [2021-11-21 01:57:15,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:15" (1/1) ... [2021-11-21 01:57:15,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:15" (1/1) ... [2021-11-21 01:57:15,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:57:15,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:57:15,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:57:15,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:57:15,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:15" (1/1) ... [2021-11-21 01:57:15,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:57:15,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:57:15,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:57:15,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:57:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:57:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:57:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:57:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:57:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:57:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:57:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:57:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:57:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:57:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:57:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:57:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:57:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:57:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:57:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:57:15,953 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:57:15,955 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:57:17,174 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:57:17,591 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:57:17,592 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-21 01:57:17,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:57:17 BoogieIcfgContainer [2021-11-21 01:57:17,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:57:17,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:57:17,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:57:17,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:57:17,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:57:14" (1/3) ... [2021-11-21 01:57:17,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54193c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:57:17, skipping insertion in model container [2021-11-21 01:57:17,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:15" (2/3) ... [2021-11-21 01:57:17,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54193c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:57:17, skipping insertion in model container [2021-11-21 01:57:17,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:57:17" (3/3) ... [2021-11-21 01:57:17,607 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-2.i [2021-11-21 01:57:17,614 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:57:17,614 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:57:17,677 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:57:17,684 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:57:17,684 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:57:17,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:57:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:57:17,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:17,711 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:17,712 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:57:17,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:17,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-21 01:57:17,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:17,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855501070] [2021-11-21 01:57:17,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:17,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:17,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:17,874 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:17,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855501070] [2021-11-21 01:57:17,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855501070] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:17,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:17,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:57:17,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9254286] [2021-11-21 01:57:17,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:17,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:57:17,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:17,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:57:17,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:57:17,923 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:57:19,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:19,848 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-21 01:57:19,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:57:19,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 01:57:19,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:19,888 INFO L225 Difference]: With dead ends: 375 [2021-11-21 01:57:19,888 INFO L226 Difference]: Without dead ends: 220 [2021-11-21 01:57:19,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:57:19,896 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:19,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:57:19,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-21 01:57:19,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-21 01:57:19,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:57:19,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-21 01:57:19,953 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-21 01:57:19,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:19,954 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-21 01:57:19,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:57:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 01:57:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:57:19,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:19,958 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:19,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:57:19,959 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:57:19,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:19,959 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-21 01:57:19,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:19,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781556512] [2021-11-21 01:57:19,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:19,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:19,985 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:57:19,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [434649869] [2021-11-21 01:57:19,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:19,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:57:19,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:57:19,988 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:57:20,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:57:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:20,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:57:20,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:57:20,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:20,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:57:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:20,614 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:20,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781556512] [2021-11-21 01:57:20,615 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:57:20,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434649869] [2021-11-21 01:57:20,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434649869] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:57:20,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [381653105] [2021-11-21 01:57:20,637 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-21 01:57:20,637 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:57:20,642 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:57:20,647 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:57:20,647 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:57:20,917 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:57:20,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:57:20,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:57:20,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:20,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:57:21,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:21,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:57:21,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:57:21,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:21,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:57:22,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:57:22,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:57:22,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:57:22,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:57:22,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:57:22,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,492 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:57:22,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:57:22,538 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:57:22,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:57:22,595 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:57:22,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:57:22,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:57:22,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:57:23,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:57:23,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:57:23,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:57:23,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:23,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:57:23,992 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:57:24,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [381653105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:24,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:57:24,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 01:57:24,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334971229] [2021-11-21 01:57:24,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:24,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:57:24,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:24,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:57:24,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:57:24,575 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:57:27,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:27,885 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-21 01:57:27,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:57:27,885 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-21 01:57:27,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:27,888 INFO L225 Difference]: With dead ends: 265 [2021-11-21 01:57:27,888 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 01:57:27,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:57:27,893 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:27,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 01:57:27,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 01:57:27,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-21 01:57:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:57:27,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 01:57:27,925 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-21 01:57:27,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:27,926 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 01:57:27,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:57:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 01:57:27,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 01:57:27,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:27,930 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:27,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:57:28,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:57:28,157 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:57:28,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:28,157 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-21 01:57:28,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:28,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807491350] [2021-11-21 01:57:28,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:28,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:28,176 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:57:28,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [828820174] [2021-11-21 01:57:28,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:28,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:57:28,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:57:28,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:57:28,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:57:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:28,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:57:28,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:57:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:57:28,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:57:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:57:28,832 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:28,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807491350] [2021-11-21 01:57:28,832 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:57:28,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828820174] [2021-11-21 01:57:28,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828820174] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:57:28,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1549027388] [2021-11-21 01:57:28,842 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:57:28,847 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:57:28,848 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:57:28,849 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:57:28,849 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:57:29,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:29,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:57:29,094 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:57:29,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:57:29,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:29,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:57:29,158 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:57:29,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:57:29,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:29,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:57:29,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:57:30,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:57:30,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:57:30,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:57:30,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:57:30,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:57:30,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:57:30,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:57:30,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:57:30,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:57:30,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,813 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:57:30,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:57:30,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:57:30,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,922 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:57:30,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 117 treesize of output 125 [2021-11-21 01:57:30,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:30,979 INFO L354 Elim1Store]: treesize reduction 176, result has 10.7 percent of original size [2021-11-21 01:57:30,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 116 treesize of output 119 [2021-11-21 01:57:31,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:31,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:57:31,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:31,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:57:31,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:31,689 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:57:31,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:57:31,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:31,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:57:31,774 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:57:31,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:57:31,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:57:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:32,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:32,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:57:32,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:32,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:32,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:57:33,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:57:33,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:57:33,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:57:33,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:57:33,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 01:57:33,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,355 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:57:33,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:57:33,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:57:33,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:57:33,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,515 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 01:57:33,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:57:33,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,556 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:57:33,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:57:34,426 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-21 01:57:34,719 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:57:35,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1549027388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:35,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:57:35,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 01:57:35,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124278340] [2021-11-21 01:57:35,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:35,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:57:35,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:35,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:57:35,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:57:35,757 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:57:38,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:57:40,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:57:41,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:41,963 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-21 01:57:41,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 01:57:41,964 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-21 01:57:41,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:41,966 INFO L225 Difference]: With dead ends: 267 [2021-11-21 01:57:41,966 INFO L226 Difference]: Without dead ends: 142 [2021-11-21 01:57:41,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:57:41,968 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:41,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 77 Unchecked, 6.2s Time] [2021-11-21 01:57:41,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-21 01:57:41,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-21 01:57:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-21 01:57:41,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-21 01:57:41,987 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-21 01:57:41,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:41,988 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-21 01:57:41,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:57:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-21 01:57:41,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 01:57:41,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:41,991 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:42,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:57:42,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:57:42,200 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:57:42,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:42,201 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-21 01:57:42,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:42,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508504991] [2021-11-21 01:57:42,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:42,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:42,217 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:57:42,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [720917594] [2021-11-21 01:57:42,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:42,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:57:42,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:57:42,219 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:57:42,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2d0385-7ff9-473a-8e6f-d85c7905a728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:57:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:42,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:57:42,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:57:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:57:42,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:57:42,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:57:42,825 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:42,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508504991] [2021-11-21 01:57:42,825 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:57:42,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720917594] [2021-11-21 01:57:42,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720917594] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:57:42,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1765663100] [2021-11-21 01:57:42,829 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:57:42,830 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:57:42,830 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:57:42,830 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:57:42,830 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:57:42,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:42,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:57:43,014 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:57:43,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:57:43,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:43,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:57:43,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:57:43,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:43,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:57:43,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:57:44,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:57:44,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:57:44,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:57:44,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:57:44,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:57:44,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:57:44,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:57:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:57:44,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:57:44,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,632 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:57:44,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:57:44,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:57:44,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,778 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 01:57:44,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:57:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:44,824 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:57:44,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:57:45,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:57:45,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:57:45,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:57:45,472 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:57:45,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 01:57:45,505 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:57:45,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 01:57:45,531 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:57:45,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 01:57:45,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:57:45,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:57:45,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:57:45,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:57:45,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:57:45,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:45,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:57:46,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:57:46,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:57:46,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:46,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:57:52,294 WARN L227 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:57:52,295 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:57:52,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 01:57:52,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:02,464 WARN L227 SmtUtils]: Spent 10.13s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:58:02,465 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:58:02,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 01:58:13,937 WARN L227 SmtUtils]: Spent 11.35s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:58:13,938 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 01:58:13,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2906 treesize of output 2676 [2021-11-21 01:58:14,691 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:58:14,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25944 treesize of output 25955 [2021-11-21 01:58:15,456 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 01:58:15,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25943 treesize of output 25955 [2021-11-21 01:58:17,289 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:17,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:17,648 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:58:17,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-21 01:58:17,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:18,120 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:58:18,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61