./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:20:16,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:20:16,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:20:16,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:20:16,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:20:16,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:20:16,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:20:16,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:20:16,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:20:16,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:20:16,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:20:16,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:20:16,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:20:16,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:20:16,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:20:16,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:20:16,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:20:16,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:20:16,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:20:16,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:20:16,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:20:16,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:20:16,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:20:16,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:20:16,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:20:16,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:20:16,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:20:16,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:20:16,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:20:16,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:20:16,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:20:16,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:20:16,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:20:16,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:20:16,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:20:16,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:20:16,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:20:16,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:20:16,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:20:16,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:20:16,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:20:16,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 02:20:16,189 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:20:16,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:20:16,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:20:16,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:20:16,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:20:16,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:20:16,191 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:20:16,191 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:20:16,191 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:20:16,192 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:20:16,192 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:20:16,192 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:20:16,192 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:20:16,193 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:20:16,193 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:20:16,193 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:20:16,193 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:20:16,194 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:20:16,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:20:16,195 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:20:16,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:20:16,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:20:16,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:20:16,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:20:16,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:20:16,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:20:16,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:20:16,197 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 02:20:16,197 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:20:16,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:20:16,197 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:20:16,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:20:16,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:20:16,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:20:16,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:20:16,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:20:16,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:20:16,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:20:16,199 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:20:16,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:20:16,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:20:16,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:20:16,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:20:16,200 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_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 [2021-11-23 02:20:16,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:20:16,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:20:16,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:20:16,454 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:20:16,455 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:20:16,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2021-11-23 02:20:16,533 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/data/4e6ee477c/f1e28c4776db469894af909fef3ac9d4/FLAG24d7dd6d8 [2021-11-23 02:20:17,209 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:20:17,209 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2021-11-23 02:20:17,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/data/4e6ee477c/f1e28c4776db469894af909fef3ac9d4/FLAG24d7dd6d8 [2021-11-23 02:20:17,377 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/data/4e6ee477c/f1e28c4776db469894af909fef3ac9d4 [2021-11-23 02:20:17,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:20:17,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:20:17,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:20:17,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:20:17,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:20:17,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:17" (1/1) ... [2021-11-23 02:20:17,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f457f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:17, skipping insertion in model container [2021-11-23 02:20:17,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:17" (1/1) ... [2021-11-23 02:20:17,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:20:17,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:20:17,991 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_8f4c8722-262f-466e-8894-d3a5c4e0d32a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[37019,37032] [2021-11-23 02:20:18,156 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_8f4c8722-262f-466e-8894-d3a5c4e0d32a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[47352,47365] [2021-11-23 02:20:18,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:20:18,184 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:20:18,234 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_8f4c8722-262f-466e-8894-d3a5c4e0d32a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[37019,37032] [2021-11-23 02:20:18,282 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_8f4c8722-262f-466e-8894-d3a5c4e0d32a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[47352,47365] [2021-11-23 02:20:18,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:20:18,326 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:20:18,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:18 WrapperNode [2021-11-23 02:20:18,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:20:18,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:20:18,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:20:18,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:20:18,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:18" (1/1) ... [2021-11-23 02:20:18,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:18" (1/1) ... [2021-11-23 02:20:18,441 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-23 02:20:18,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:20:18,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:20:18,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:20:18,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:20:18,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:18" (1/1) ... [2021-11-23 02:20:18,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:18" (1/1) ... [2021-11-23 02:20:18,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:18" (1/1) ... [2021-11-23 02:20:18,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:18" (1/1) ... [2021-11-23 02:20:18,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:18" (1/1) ... [2021-11-23 02:20:18,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:18" (1/1) ... [2021-11-23 02:20:18,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:18" (1/1) ... [2021-11-23 02:20:18,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:20:18,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:20:18,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:20:18,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:20:18,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:18" (1/1) ... [2021-11-23 02:20:18,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:20:18,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:20:18,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:20:18,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:20:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:20:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:20:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:20:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:20:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:20:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:20:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:20:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:20:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:20:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:20:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:20:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:20:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:20:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:20:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:20:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:20:18,919 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:20:18,920 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:20:19,873 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:20:20,183 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:20:20,184 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-23 02:20:20,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:20 BoogieIcfgContainer [2021-11-23 02:20:20,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:20:20,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:20:20,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:20:20,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:20:20,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:20:17" (1/3) ... [2021-11-23 02:20:20,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b91813d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:20, skipping insertion in model container [2021-11-23 02:20:20,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:18" (2/3) ... [2021-11-23 02:20:20,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b91813d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:20, skipping insertion in model container [2021-11-23 02:20:20,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:20" (3/3) ... [2021-11-23 02:20:20,200 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test2-1.i [2021-11-23 02:20:20,204 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:20:20,204 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-23 02:20:20,257 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:20:20,265 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:20:20,265 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-23 02:20:20,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 100 states have (on average 1.82) internal successors, (182), 113 states have internal predecessors, (182), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 02:20:20,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 02:20:20,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:20,291 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 02:20:20,292 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:20:20,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:20,297 INFO L85 PathProgramCache]: Analyzing trace with hash 22945886, now seen corresponding path program 1 times [2021-11-23 02:20:20,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:20:20,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915693932] [2021-11-23 02:20:20,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:20,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:20:20,415 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:20:20,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1123423778] [2021-11-23 02:20:20,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:20,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:20,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:20:20,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:20:20,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:20:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:20:20,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:20:20,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:20:20,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:20:20,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-23 02:20:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:20:20,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:20:20,786 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:20:20,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915693932] [2021-11-23 02:20:20,787 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:20:20,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123423778] [2021-11-23 02:20:20,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123423778] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:20:20,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:20:20,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:20:20,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492555550] [2021-11-23 02:20:20,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:20:20,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:20:20,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:20:20,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:20:20,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:20:20,827 INFO L87 Difference]: Start difference. First operand has 119 states, 100 states have (on average 1.82) internal successors, (182), 113 states have internal predecessors, (182), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:22,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:20:24,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:20:24,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:20:24,547 INFO L93 Difference]: Finished difference Result 308 states and 522 transitions. [2021-11-23 02:20:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:20:24,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-23 02:20:24,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:20:24,580 INFO L225 Difference]: With dead ends: 308 [2021-11-23 02:20:24,580 INFO L226 Difference]: Without dead ends: 187 [2021-11-23 02:20:24,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:20:24,587 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 75 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:20:24,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 337 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 02:20:24,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-23 02:20:24,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 121. [2021-11-23 02:20:24,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2718446601941749) internal successors, (131), 115 states have internal predecessors, (131), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 02:20:24,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2021-11-23 02:20:24,642 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 4 [2021-11-23 02:20:24,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:20:24,642 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2021-11-23 02:20:24,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2021-11-23 02:20:24,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 02:20:24,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:24,647 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] [2021-11-23 02:20:24,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:20:24,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:24,849 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:20:24,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:24,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1811846183, now seen corresponding path program 1 times [2021-11-23 02:20:24,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:20:24,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536724378] [2021-11-23 02:20:24,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:24,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:20:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:20:24,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:20:24,959 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:20:24,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536724378] [2021-11-23 02:20:24,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536724378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:20:24,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:20:24,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:20:24,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103042908] [2021-11-23 02:20:24,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:20:24,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:20:24,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:20:24,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:20:24,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:20:24,961 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:27,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:20:27,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:20:27,504 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2021-11-23 02:20:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:20:27,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-23 02:20:27,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:20:27,511 INFO L225 Difference]: With dead ends: 230 [2021-11-23 02:20:27,511 INFO L226 Difference]: Without dead ends: 174 [2021-11-23 02:20:27,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:20:27,513 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 61 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:20:27,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 343 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-23 02:20:27,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-23 02:20:27,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 121. [2021-11-23 02:20:27,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 115 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 02:20:27,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions. [2021-11-23 02:20:27,531 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 20 [2021-11-23 02:20:27,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:20:27,531 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions. [2021-11-23 02:20:27,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:27,532 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2021-11-23 02:20:27,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 02:20:27,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:27,533 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] [2021-11-23 02:20:27,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:20:27,534 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:20:27,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:27,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1081850416, now seen corresponding path program 1 times [2021-11-23 02:20:27,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:20:27,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932308734] [2021-11-23 02:20:27,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:27,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:20:27,555 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:20:27,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [952353620] [2021-11-23 02:20:27,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:27,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:27,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:20:27,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:20:27,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:20:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:20:27,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:20:27,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:20:27,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:20:27,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:20:27,907 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:20:27,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932308734] [2021-11-23 02:20:27,908 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:20:27,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952353620] [2021-11-23 02:20:27,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952353620] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:20:27,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:20:27,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:20:27,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446835253] [2021-11-23 02:20:27,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:20:27,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:20:27,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:20:27,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:20:27,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:20:27,911 INFO L87 Difference]: Start difference. First operand 121 states and 146 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:29,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:20:29,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:20:29,943 INFO L93 Difference]: Finished difference Result 288 states and 352 transitions. [2021-11-23 02:20:29,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:20:29,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-23 02:20:29,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:20:29,954 INFO L225 Difference]: With dead ends: 288 [2021-11-23 02:20:29,954 INFO L226 Difference]: Without dead ends: 172 [2021-11-23 02:20:29,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:20:29,957 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:20:29,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 02:20:29,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-23 02:20:29,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2021-11-23 02:20:29,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 162 states have internal predecessors, (183), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:20:29,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2021-11-23 02:20:29,980 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 28 [2021-11-23 02:20:29,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:20:29,981 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2021-11-23 02:20:29,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2021-11-23 02:20:29,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 02:20:29,983 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:29,983 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] [2021-11-23 02:20:30,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:20:30,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:30,202 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:20:30,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:30,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1435534316, now seen corresponding path program 1 times [2021-11-23 02:20:30,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:20:30,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467971885] [2021-11-23 02:20:30,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:30,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:20:30,224 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:20:30,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1134293645] [2021-11-23 02:20:30,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:30,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:30,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:20:30,225 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:20:30,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:20:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:20:30,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:20:30,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:20:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:20:30,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:20:30,781 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:20:30,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467971885] [2021-11-23 02:20:30,782 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:20:30,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134293645] [2021-11-23 02:20:30,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134293645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:20:30,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:20:30,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:20:30,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180704364] [2021-11-23 02:20:30,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:20:30,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:20:30,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:20:30,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:20:30,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:20:30,784 INFO L87 Difference]: Start difference. First operand 168 states and 209 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:20:32,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:20:32,242 INFO L93 Difference]: Finished difference Result 320 states and 404 transitions. [2021-11-23 02:20:32,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:20:32,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-11-23 02:20:32,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:20:32,253 INFO L225 Difference]: With dead ends: 320 [2021-11-23 02:20:32,253 INFO L226 Difference]: Without dead ends: 170 [2021-11-23 02:20:32,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:20:32,256 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:20:32,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 374 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 02:20:32,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-23 02:20:32,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-11-23 02:20:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 164 states have internal predecessors, (185), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2021-11-23 02:20:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 212 transitions. [2021-11-23 02:20:32,279 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 212 transitions. Word has length 41 [2021-11-23 02:20:32,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:20:32,279 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 212 transitions. [2021-11-23 02:20:32,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:20:32,280 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2021-11-23 02:20:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 02:20:32,281 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:32,282 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:20:32,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-23 02:20:32,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:32,507 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:20:32,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:32,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2090279668, now seen corresponding path program 1 times [2021-11-23 02:20:32,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:20:32,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589819940] [2021-11-23 02:20:32,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:32,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:20:32,521 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:20:32,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [622761601] [2021-11-23 02:20:32,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:32,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:32,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:20:32,531 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:20:32,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f4c8722-262f-466e-8894-d3a5c4e0d32a/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:20:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:20:32,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 02:20:32,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:20:33,063 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:20:33,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:20:33,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:20:33,223 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:20:33,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589819940] [2021-11-23 02:20:33,224 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:20:33,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622761601] [2021-11-23 02:20:33,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622761601] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:20:33,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1238756834] [2021-11-23 02:20:33,242 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-23 02:20:33,242 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:20:33,246 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:20:33,250 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:20:33,250 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:20:33,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:33,374 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-23 02:20:33,375 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 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-23 02:20:33,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:33,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 28 [2021-11-23 02:20:33,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:20:33,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:33,432 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:20:33,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-23 02:20:33,448 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 15 treesize of output 1 [2021-11-23 02:20:33,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:20:33,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:33,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:33,570 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:20:33,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-23 02:20:33,584 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 15 treesize of output 1 [2021-11-23 02:20:33,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:33,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:33,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2021-11-23 02:20:33,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:33,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:33,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-23 02:20:33,690 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 19 treesize of output 1 [2021-11-23 02:20:33,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:33,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:33,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:33,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-23 02:20:33,729 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 19 treesize of output 1 [2021-11-23 02:20:34,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-23 02:20:34,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-23 02:20:34,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:20:34,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:20:34,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-23 02:20:34,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:20:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:20:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 02:20:34,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-23 02:20:34,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,411 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 02:20:34,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 127 treesize of output 138 [2021-11-23 02:20:34,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,485 INFO L354 Elim1Store]: treesize reduction 200, result has 11.5 percent of original size [2021-11-23 02:20:34,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 126 treesize of output 132 [2021-11-23 02:20:34,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 02:20:34,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:20:34,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:20:34,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:20:34,686 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:20:34,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-23 02:20:34,713 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 02:20:34,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-23 02:20:34,736 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:20:34,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-23 02:20:34,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:20:34,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 02:20:34,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:20:34,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 02:20:34,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 02:20:34,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:34,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:20:35,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 02:20:35,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 02:20:35,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:35,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:20:41,651 WARN L227 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:20:41,653 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:20:41,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2851 treesize of output 2328 [2021-11-23 02:20:41,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:20:51,606 WARN L227 SmtUtils]: Spent 9.91s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:20:51,607 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:20:51,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2952 treesize of output 2670 [2021-11-23 02:21:02,714 WARN L227 SmtUtils]: Spent 10.94s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:21:02,716 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 02:21:02,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2856 treesize of output 2686 [2021-11-23 02:21:03,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:04,227 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 02:21:04,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 case distinctions, treesize of input 25954 treesize of output 25968 [2021-11-23 02:21:04,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:04,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:05,078 INFO L354 Elim1Store]: treesize reduction 172, result has 15.3 percent of original size [2021-11-23 02:21:05,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25953 treesize of output 25968 [2021-11-23 02:21:05,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:05,841 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 02:21:05,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-23 02:21:06,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:06,240 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:21:06,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-23 02:21:06,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:21:06,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:06,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:21:06,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:06,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:21:06,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:06,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:21:06,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:06,551 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 2156 treesize of output 1706 [2021-11-23 02:21:06,803 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:21:07,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:21:07,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:07,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:21:07,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:07,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:21:07,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:07,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:07,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:07,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:07,217 INFO L244 Elim1Store]: Index analysis took 180 ms [2021-11-23 02:21:07,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2156 treesize of output 1706 [2021-11-23 02:21:07,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:21:07,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:07,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:21:07,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:07,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:21:07,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:07,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:07,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:07,650 INFO L244 Elim1Store]: Index analysis took 167 ms [2021-11-23 02:21:07,827 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:21:07,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2156 treesize of output 1758 [2021-11-23 02:21:07,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:21:08,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:08,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:21:08,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:08,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:21:08,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:08,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:08,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:08,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:08,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2156 treesize of output 1706 [2021-11-23 02:21:08,488 INFO L244 Elim1Store]: Index analysis took 281 ms [2021-11-23 02:21:10,732 INFO L354 Elim1Store]: treesize reduction 488, result has 73.7 percent of original size [2021-11-23 02:21:10,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2167 treesize of output 3081 [2021-11-23 02:21:12,946 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:21:13,729 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:21:13,901 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:21:14,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:14,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-23 02:21:14,736 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:21:14,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:14,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-23 02:21:15,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:15,088 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-11-23 02:21:15,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:15,885 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-23 02:21:15,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-23 02:21:16,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:16,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:16,042 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-11-23 02:21:17,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:17,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:18,020 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-23 02:21:18,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82536 treesize of output 82550 [2021-11-23 02:21:27,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:21:27,830 INFO L190 IndexEqualityManager]: detected not equals via solver