./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P --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 f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:14:32,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:14:32,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:14:32,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:14:32,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:14:32,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:14:32,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:14:32,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:14:32,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:14:32,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:14:32,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:14:32,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:14:32,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:14:32,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:14:32,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:14:32,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:14:32,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:14:32,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:14:32,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:14:32,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:14:32,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:14:32,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:14:32,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:14:32,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:14:32,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:14:32,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:14:32,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:14:32,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:14:32,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:14:32,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:14:32,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:14:32,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:14:32,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:14:32,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:14:32,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:14:32,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:14:32,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:14:32,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:14:32,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:14:32,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:14:32,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:14:32,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:14:32,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:14:32,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:14:32,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:14:32,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:14:32,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:14:32,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:14:32,399 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:14:32,399 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:14:32,399 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:14:32,399 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:14:32,399 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:14:32,400 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:14:32,400 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:14:32,400 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:14:32,400 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:14:32,400 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:14:32,401 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:14:32,401 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:14:32,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:14:32,402 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:14:32,402 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:14:32,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:14:32,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:14:32,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:14:32,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:14:32,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:14:32,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:14:32,403 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:14:32,403 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:14:32,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:14:32,404 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:14:32,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:14:32,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:14:32,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:14:32,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:14:32,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:14:32,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:14:32,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:14:32,405 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:14:32,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:14:32,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:14:32,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:14:32,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:14:32,406 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_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2021-11-21 00:14:32,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:14:32,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:14:32,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:14:32,672 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:14:32,673 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:14:32,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2021-11-21 00:14:32,742 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/data/51d1db745/4e1eec4cc6f641b0864866c7ac9e029b/FLAG53af3130a [2021-11-21 00:14:33,352 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:14:33,353 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2021-11-21 00:14:33,372 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/data/51d1db745/4e1eec4cc6f641b0864866c7ac9e029b/FLAG53af3130a [2021-11-21 00:14:33,592 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/data/51d1db745/4e1eec4cc6f641b0864866c7ac9e029b [2021-11-21 00:14:33,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:14:33,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:14:33,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:14:33,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:14:33,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:14:33,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:14:33" (1/1) ... [2021-11-21 00:14:33,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67dd0ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:33, skipping insertion in model container [2021-11-21 00:14:33,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:14:33" (1/1) ... [2021-11-21 00:14:33,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:14:33,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:14:34,182 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_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i[33021,33034] [2021-11-21 00:14:34,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:14:34,358 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:14:34,388 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_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i[33021,33034] [2021-11-21 00:14:34,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:14:34,545 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:14:34,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:34 WrapperNode [2021-11-21 00:14:34,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:14:34,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:14:34,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:14:34,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:14:34,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:34" (1/1) ... [2021-11-21 00:14:34,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:34" (1/1) ... [2021-11-21 00:14:34,679 INFO L137 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1451 [2021-11-21 00:14:34,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:14:34,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:14:34,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:14:34,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:14:34,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:34" (1/1) ... [2021-11-21 00:14:34,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:34" (1/1) ... [2021-11-21 00:14:34,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:34" (1/1) ... [2021-11-21 00:14:34,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:34" (1/1) ... [2021-11-21 00:14:34,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:34" (1/1) ... [2021-11-21 00:14:34,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:34" (1/1) ... [2021-11-21 00:14:34,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:34" (1/1) ... [2021-11-21 00:14:34,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:14:34,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:14:34,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:14:34,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:14:34,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:34" (1/1) ... [2021-11-21 00:14:34,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:14:34,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:14:34,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:14:34,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:14:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:14:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:14:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:14:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:14:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:14:34,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:14:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:14:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:14:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:14:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:14:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:14:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:14:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:14:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:14:34,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:14:35,332 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:14:35,338 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:14:36,512 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:14:37,066 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:14:37,066 INFO L301 CfgBuilder]: Removed 77 assume(true) statements. [2021-11-21 00:14:37,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:14:37 BoogieIcfgContainer [2021-11-21 00:14:37,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:14:37,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:14:37,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:14:37,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:14:37,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:14:33" (1/3) ... [2021-11-21 00:14:37,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d42a827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:14:37, skipping insertion in model container [2021-11-21 00:14:37,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:34" (2/3) ... [2021-11-21 00:14:37,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d42a827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:14:37, skipping insertion in model container [2021-11-21 00:14:37,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:14:37" (3/3) ... [2021-11-21 00:14:37,085 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-3.i [2021-11-21 00:14:37,091 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:14:37,092 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 00:14:37,155 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:14:37,170 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:14:37,171 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 00:14:37,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 136 states have (on average 1.8088235294117647) internal successors, (246), 152 states have internal predecessors, (246), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:14:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 00:14:37,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:14:37,205 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 00:14:37,206 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:14:37,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:14:37,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1114569, now seen corresponding path program 1 times [2021-11-21 00:14:37,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:14:37,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275764847] [2021-11-21 00:14:37,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:37,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:14:37,334 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:14:37,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83174656] [2021-11-21 00:14:37,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:37,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:37,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:14:37,341 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:14:37,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:14:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:14:37,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:14:37,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:14:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:14:37,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:14:37,672 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:14:37,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275764847] [2021-11-21 00:14:37,673 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:14:37,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83174656] [2021-11-21 00:14:37,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83174656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:14:37,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:14:37,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 00:14:37,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781518916] [2021-11-21 00:14:37,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:14:37,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:14:37,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:14:37,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:14:37,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:14:37,726 INFO L87 Difference]: Start difference. First operand has 161 states, 136 states have (on average 1.8088235294117647) internal successors, (246), 152 states have internal predecessors, (246), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-21 00:14:41,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:14:41,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:14:41,609 INFO L93 Difference]: Finished difference Result 420 states and 734 transitions. [2021-11-21 00:14:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:14:41,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-21 00:14:41,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:14:41,626 INFO L225 Difference]: With dead ends: 420 [2021-11-21 00:14:41,626 INFO L226 Difference]: Without dead ends: 233 [2021-11-21 00:14:41,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:14:41,634 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 102 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:14:41,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 357 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-21 00:14:41,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-21 00:14:41,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 135. [2021-11-21 00:14:41,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 112 states have (on average 1.2410714285714286) internal successors, (139), 126 states have internal predecessors, (139), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:14:41,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2021-11-21 00:14:41,721 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 3 [2021-11-21 00:14:41,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:14:41,721 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2021-11-21 00:14:41,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-21 00:14:41,722 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2021-11-21 00:14:41,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 00:14:41,725 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:14:41,725 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:14:41,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 00:14:41,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:41,945 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:14:41,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:14:41,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1598010711, now seen corresponding path program 1 times [2021-11-21 00:14:41,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:14:41,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127388025] [2021-11-21 00:14:41,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:41,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:14:41,983 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:14:41,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1310359888] [2021-11-21 00:14:41,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:41,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:41,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:14:41,988 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:14:42,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:14:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:14:42,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:14:42,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:14:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:14:42,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:14:42,507 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:14:42,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127388025] [2021-11-21 00:14:42,507 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:14:42,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310359888] [2021-11-21 00:14:42,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310359888] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:14:42,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:14:42,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:14:42,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800867868] [2021-11-21 00:14:42,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:14:42,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:14:42,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:14:42,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:14:42,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:14:42,510 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-11-21 00:14:45,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:14:45,892 INFO L93 Difference]: Finished difference Result 233 states and 285 transitions. [2021-11-21 00:14:45,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:14:45,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-11-21 00:14:45,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:14:45,902 INFO L225 Difference]: With dead ends: 233 [2021-11-21 00:14:45,902 INFO L226 Difference]: Without dead ends: 232 [2021-11-21 00:14:45,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:14:45,904 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 59 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:14:45,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 463 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-21 00:14:45,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-21 00:14:45,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2021-11-21 00:14:45,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 201 states have (on average 1.1840796019900497) internal successors, (238), 215 states have internal predecessors, (238), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:14:45,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2021-11-21 00:14:45,929 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 282 transitions. Word has length 48 [2021-11-21 00:14:45,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:14:45,930 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 282 transitions. [2021-11-21 00:14:45,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-11-21 00:14:45,930 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 282 transitions. [2021-11-21 00:14:45,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 00:14:45,932 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:14:45,933 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:14:45,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:14:46,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:46,161 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:14:46,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:14:46,162 INFO L85 PathProgramCache]: Analyzing trace with hash -2001274746, now seen corresponding path program 1 times [2021-11-21 00:14:46,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:14:46,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537825380] [2021-11-21 00:14:46,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:46,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:14:46,186 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:14:46,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2104845477] [2021-11-21 00:14:46,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:46,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:46,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:14:46,188 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:14:46,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:14:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:14:46,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:14:46,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:14:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:14:46,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:14:46,684 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:14:46,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537825380] [2021-11-21 00:14:46,685 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:14:46,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104845477] [2021-11-21 00:14:46,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104845477] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:14:46,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:14:46,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:14:46,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930445084] [2021-11-21 00:14:46,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:14:46,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:14:46,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:14:46,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:14:46,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:14:46,688 INFO L87 Difference]: Start difference. First operand 230 states and 282 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-11-21 00:14:48,806 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:14:49,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:14:49,296 INFO L93 Difference]: Finished difference Result 230 states and 282 transitions. [2021-11-21 00:14:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:14:49,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-21 00:14:49,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:14:49,302 INFO L225 Difference]: With dead ends: 230 [2021-11-21 00:14:49,302 INFO L226 Difference]: Without dead ends: 229 [2021-11-21 00:14:49,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:14:49,305 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 86 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:14:49,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 304 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 00:14:49,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-11-21 00:14:49,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2021-11-21 00:14:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 201 states have (on average 1.1791044776119404) internal successors, (237), 214 states have internal predecessors, (237), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:14:49,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 281 transitions. [2021-11-21 00:14:49,329 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 281 transitions. Word has length 49 [2021-11-21 00:14:49,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:14:49,330 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 281 transitions. [2021-11-21 00:14:49,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-11-21 00:14:49,330 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 281 transitions. [2021-11-21 00:14:49,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 00:14:49,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:14:49,333 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:14:49,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-21 00:14:49,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:49,549 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:14:49,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:14:49,549 INFO L85 PathProgramCache]: Analyzing trace with hash 920356912, now seen corresponding path program 1 times [2021-11-21 00:14:49,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:14:49,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995818004] [2021-11-21 00:14:49,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:49,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:14:49,578 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:14:49,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1895300926] [2021-11-21 00:14:49,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:49,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:49,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:14:49,580 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:14:49,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:14:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:14:49,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:14:49,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:14:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:14:50,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:14:50,093 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:14:50,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995818004] [2021-11-21 00:14:50,094 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:14:50,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895300926] [2021-11-21 00:14:50,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895300926] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:14:50,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:14:50,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:14:50,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446602188] [2021-11-21 00:14:50,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:14:50,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:14:50,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:14:50,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:14:50,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:14:50,097 INFO L87 Difference]: Start difference. First operand 229 states and 281 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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) [2021-11-21 00:14:52,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:14:52,445 INFO L93 Difference]: Finished difference Result 384 states and 476 transitions. [2021-11-21 00:14:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:14:52,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 51 [2021-11-21 00:14:52,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:14:52,453 INFO L225 Difference]: With dead ends: 384 [2021-11-21 00:14:52,453 INFO L226 Difference]: Without dead ends: 227 [2021-11-21 00:14:52,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:14:52,456 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 38 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:14:52,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 289 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 00:14:52,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-21 00:14:52,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-21 00:14:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 199 states have (on average 1.1758793969849246) internal successors, (234), 212 states have internal predecessors, (234), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:14:52,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 278 transitions. [2021-11-21 00:14:52,479 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 278 transitions. Word has length 51 [2021-11-21 00:14:52,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:14:52,480 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 278 transitions. [2021-11-21 00:14:52,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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) [2021-11-21 00:14:52,480 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 278 transitions. [2021-11-21 00:14:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 00:14:52,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:14:52,483 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:14:52,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 00:14:52,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:52,709 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:14:52,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:14:52,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1681483749, now seen corresponding path program 1 times [2021-11-21 00:14:52,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:14:52,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795417721] [2021-11-21 00:14:52,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:52,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:14:52,750 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:14:52,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1656931135] [2021-11-21 00:14:52,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:52,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:52,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:14:52,769 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:14:52,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 00:14:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:14:53,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:14:53,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:14:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:14:53,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:14:53,260 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:14:53,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795417721] [2021-11-21 00:14:53,260 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:14:53,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656931135] [2021-11-21 00:14:53,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656931135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:14:53,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:14:53,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:14:53,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149110502] [2021-11-21 00:14:53,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:14:53,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:14:53,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:14:53,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:14:53,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:14:53,264 INFO L87 Difference]: Start difference. First operand 227 states and 278 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:14:55,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:14:55,013 INFO L93 Difference]: Finished difference Result 426 states and 524 transitions. [2021-11-21 00:14:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:14:55,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-21 00:14:55,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:14:55,025 INFO L225 Difference]: With dead ends: 426 [2021-11-21 00:14:55,025 INFO L226 Difference]: Without dead ends: 225 [2021-11-21 00:14:55,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:14:55,027 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 11 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:14:55,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 286 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 00:14:55,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-11-21 00:14:55,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-11-21 00:14:55,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 210 states have internal predecessors, (231), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:14:55,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 275 transitions. [2021-11-21 00:14:55,062 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 275 transitions. Word has length 64 [2021-11-21 00:14:55,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:14:55,062 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 275 transitions. [2021-11-21 00:14:55,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:14:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 275 transitions. [2021-11-21 00:14:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 00:14:55,065 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:14:55,066 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:14:55,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 00:14:55,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:55,286 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:14:55,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:14:55,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1167209906, now seen corresponding path program 1 times [2021-11-21 00:14:55,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:14:55,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757150774] [2021-11-21 00:14:55,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:55,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:14:55,307 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:14:55,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879428667] [2021-11-21 00:14:55,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:55,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:55,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:14:55,309 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:14:55,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 00:14:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:14:55,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 00:14:55,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:14:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 00:14:56,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:14:56,115 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:14:56,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757150774] [2021-11-21 00:14:56,115 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:14:56,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879428667] [2021-11-21 00:14:56,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879428667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:14:56,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:14:56,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:14:56,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031676143] [2021-11-21 00:14:56,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:14:56,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:14:56,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:14:56,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:14:56,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:14:56,118 INFO L87 Difference]: Start difference. First operand 225 states and 275 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 00:15:00,599 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:15:00,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:15:00,600 INFO L93 Difference]: Finished difference Result 432 states and 542 transitions. [2021-11-21 00:15:00,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:15:00,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-21 00:15:00,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:15:00,615 INFO L225 Difference]: With dead ends: 432 [2021-11-21 00:15:00,615 INFO L226 Difference]: Without dead ends: 227 [2021-11-21 00:15:00,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:15:00,617 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:15:00,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 434 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2021-11-21 00:15:00,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-21 00:15:00,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-21 00:15:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 198 states have (on average 1.1767676767676767) internal successors, (233), 212 states have internal predecessors, (233), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-21 00:15:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 281 transitions. [2021-11-21 00:15:00,649 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 281 transitions. Word has length 77 [2021-11-21 00:15:00,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:15:00,650 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 281 transitions. [2021-11-21 00:15:00,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 00:15:00,650 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 281 transitions. [2021-11-21 00:15:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 00:15:00,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:15:00,654 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:15:00,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 00:15:00,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-21 00:15:00,877 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:15:00,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:15:00,878 INFO L85 PathProgramCache]: Analyzing trace with hash -872916030, now seen corresponding path program 1 times [2021-11-21 00:15:00,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:15:00,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570840848] [2021-11-21 00:15:00,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:15:00,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:15:00,897 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:15:00,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1881825013] [2021-11-21 00:15:00,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:15:00,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:15:00,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:15:00,898 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:15:00,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf442c3-2833-4d1e-bab2-4faa3a6c3767/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 00:15:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:15:02,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 00:15:02,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:15:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 00:15:02,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:15:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 00:15:02,693 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:15:02,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570840848] [2021-11-21 00:15:02,693 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:15:02,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881825013] [2021-11-21 00:15:02,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881825013] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:15:02,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [455304562] [2021-11-21 00:15:02,719 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-21 00:15:02,719 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:15:02,727 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:15:02,732 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:15:02,732 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:15:03,159 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 [2021-11-21 00:15:03,198 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:15:03,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 00:15:03,247 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 [2021-11-21 00:15:03,276 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:15:03,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-21 00:15:03,339 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:15:03,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:15:03,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 00:15:03,578 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 19 treesize of output 1 [2021-11-21 00:15:03,598 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 19 treesize of output 1 [2021-11-21 00:15:04,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:15:04,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:15:04,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:15:04,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:15:04,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 00:15:04,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:15:04,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:04,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:15:05,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:15:05,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:15:05,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 00:15:05,295 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 00:15:05,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 00:15:05,341 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 00:15:05,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 00:15:05,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:05,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:15:06,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:15:06,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 00:15:06,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:15:06,067 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:15:06,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 00:15:06,096 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 00:15:06,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 00:15:06,129 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:15:06,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 00:15:06,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:15:06,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:15:06,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:15:06,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:15:06,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:15:06,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:15:06,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:15:06,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:15:06,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:06,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:15:15,181 WARN L227 SmtUtils]: Spent 8.14s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:15:15,182 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:15:15,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 00:15:15,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:27,865 WARN L227 SmtUtils]: Spent 12.61s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:15:27,865 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:15:27,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 00:15:40,129 WARN L227 SmtUtils]: Spent 12.15s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:15:40,130 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 00:15:40,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2906 treesize of output 2676 [2021-11-21 00:15:41,212 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 00:15:41,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25944 treesize of output 25955 [2021-11-21 00:15:42,041 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 00:15:42,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25943 treesize of output 25955 [2021-11-21 00:15:43,768 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:15:44,223 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:15:44,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:44,744 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 00:15:44,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-21 00:15:45,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:45,586 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 00:15:45,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-21 00:15:50,927 INFO L354 Elim1Store]: treesize reduction 13562, result has 36.1 percent of original size [2021-11-21 00:15:50,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 28090 treesize of output 33366 [2021-11-21 00:15:50,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:55,366 INFO L354 Elim1Store]: treesize reduction 13426, result has 36.7 percent of original size [2021-11-21 00:15:55,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 34419 treesize of output 39803 [2021-11-21 00:15:55,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:57,960 INFO L354 Elim1Store]: treesize reduction 88, result has 95.2 percent of original size [2021-11-21 00:15:57,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 40856 treesize of output 41792 [2021-11-21 00:16:01,713 INFO L354 Elim1Store]: treesize reduction 96, result has 94.8 percent of original size [2021-11-21 00:16:01,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 41792 treesize of output 42748 [2021-11-21 00:16:29,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:29,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:29,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:29,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:29,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:29,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 6336 treesize of output 4484 [2021-11-21 00:16:39,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:39,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:39,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:39,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:39,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:39,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:39,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:39,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:39,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:39,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2485 treesize of output 371 [2021-11-21 00:16:39,678 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:39,829 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:40,207 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:40,372 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:40,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:40,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:40,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:40,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:40,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:40,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:40,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:40,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:40,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:40,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:40,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:41,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:41,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:41,042 INFO L244 Elim1Store]: Index analysis took 238 ms [2021-11-21 00:16:41,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 2562 treesize of output 374 [2021-11-21 00:16:41,214 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:41,732 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:42,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:42,988 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:43,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:43,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:43,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:43,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:43,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:43,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:43,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4809 treesize of output 2621 [2021-11-21 00:16:43,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,185 INFO L244 Elim1Store]: Index analysis took 188 ms [2021-11-21 00:16:44,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,285 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:16:44,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 4817 treesize of output 2629 [2021-11-21 00:16:44,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:44,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:44,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:44,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4809 treesize of output 2621 [2021-11-21 00:16:44,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:44,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:44,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:45,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:45,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:45,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:45,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:45,111 INFO L244 Elim1Store]: Index analysis took 135 ms [2021-11-21 00:16:45,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:45,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:45,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:45,333 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:16:45,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 4809 treesize of output 2839 [2021-11-21 00:16:46,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:46,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:47,397 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:47,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:48,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:48,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:48,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:48,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:48,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:48,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:48,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:48,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:48,137 INFO L244 Elim1Store]: Index analysis took 155 ms [2021-11-21 00:16:48,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4800 treesize of output 2618 [2021-11-21 00:16:48,674 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:48,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:48,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:49,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:49,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:49,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:49,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:49,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:49,077 INFO L244 Elim1Store]: Index analysis took 163 ms [2021-11-21 00:16:49,630 INFO L354 Elim1Store]: treesize reduction 4748, result has 27.0 percent of original size [2021-11-21 00:16:49,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 4809 treesize of output 4376 [2021-11-21 00:16:50,326 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:51,272 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:51,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:51,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:51,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:51,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:51,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:51,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:51,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:51,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:52,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:52,010 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-21 00:16:52,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4800 treesize of output 2618 [2021-11-21 00:16:52,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:53,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:53,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:53,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:53,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:53,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:53,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:53,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:53,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:53,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:53,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:53,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:53,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:53,903 INFO L244 Elim1Store]: Index analysis took 275 ms [2021-11-21 00:16:53,916 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-21 00:16:53,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 4829 treesize of output 2629 [2021-11-21 00:16:54,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:54,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:55,465 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:56,752 INFO L244 Elim1Store]: Index analysis took 558 ms [2021-11-21 00:16:57,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:59,986 INFO L354 Elim1Store]: treesize reduction 4859, result has 45.9 percent of original size [2021-11-21 00:16:59,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 4838 treesize of output 6757 [2021-11-21 00:17:01,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:17:01,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:17:01,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:01,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:01,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:01,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:01,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:01,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:01,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:01,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:01,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:01,671 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-11-21 00:17:01,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4830 treesize of output 2624 [2021-11-21 00:17:04,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:04,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:04,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:04,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:04,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:04,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:04,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:04,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:04,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:04,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:04,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:04,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:04,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:04,304 INFO L244 Elim1Store]: Index analysis took 277 ms [2021-11-21 00:17:04,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4829 treesize of output 2629 [2021-11-21 00:17:04,926 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:17:05,100 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:17:05,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:05,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:05,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:05,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:05,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:05,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:05,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:05,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:05,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:05,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:05,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:06,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:06,072 INFO L244 Elim1Store]: Index analysis took 330 ms [2021-11-21 00:17:06,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4829 treesize of output 2629 [2021-11-21 00:17:06,848 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:17:07,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:17:07,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:07,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:07,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:07,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:07,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:07,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:07,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:08,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:08,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:08,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:08,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:08,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:08,308 INFO L244 Elim1Store]: Index analysis took 454 ms [2021-11-21 00:17:08,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4829 treesize of output 2629 [2021-11-21 00:17:09,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:17:09,342 WARN L234 Elim1Store]: Array PQE input equivalent to false