./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.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_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/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_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/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_53fae170-6ea5-4287-a936-af61970631a8/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 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:32:05,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:32:05,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:32:05,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:32:05,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:32:05,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:32:05,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:32:05,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:32:05,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:32:05,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:32:05,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:32:05,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:32:05,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:32:05,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:32:05,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:32:05,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:32:05,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:32:05,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:32:05,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:32:05,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:32:05,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:32:05,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:32:05,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:32:05,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:32:05,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:32:05,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:32:05,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:32:05,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:32:05,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:32:05,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:32:05,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:32:05,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:32:05,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:32:05,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:32:05,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:32:05,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:32:05,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:32:05,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:32:05,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:32:05,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:32:05,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:32:05,136 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:32:05,179 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:32:05,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:32:05,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:32:05,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:32:05,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:32:05,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:32:05,190 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:32:05,190 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:32:05,190 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:32:05,190 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:32:05,191 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:32:05,192 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:32:05,192 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:32:05,192 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:32:05,192 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:32:05,193 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:32:05,193 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:32:05,193 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:32:05,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:32:05,195 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:32:05,196 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:32:05,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:32:05,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:32:05,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:32:05,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:32:05,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:32:05,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:32:05,199 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:32:05,199 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:32:05,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:32:05,199 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:32:05,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:32:05,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:32:05,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:32:05,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:32:05,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:32:05,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:32:05,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:32:05,201 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:32:05,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:32:05,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:32:05,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:32:05,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:32:05,204 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_53fae170-6ea5-4287-a936-af61970631a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 [2021-11-21 00:32:05,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:32:05,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:32:05,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:32:05,475 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:32:05,475 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:32:05,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2021-11-21 00:32:05,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/data/25cadf5ff/5e02866a377d4d868f1b3924c0096f02/FLAG03388cebf [2021-11-21 00:32:06,153 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:32:06,154 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2021-11-21 00:32:06,185 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/data/25cadf5ff/5e02866a377d4d868f1b3924c0096f02/FLAG03388cebf [2021-11-21 00:32:06,400 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/data/25cadf5ff/5e02866a377d4d868f1b3924c0096f02 [2021-11-21 00:32:06,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:32:06,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:32:06,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:32:06,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:32:06,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:32:06,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:32:06" (1/1) ... [2021-11-21 00:32:06,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1295ae49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:32:06, skipping insertion in model container [2021-11-21 00:32:06,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:32:06" (1/1) ... [2021-11-21 00:32:06,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:32:06,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:32:06,947 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_53fae170-6ea5-4287-a936-af61970631a8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i[33021,33034] [2021-11-21 00:32:07,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:32:07,061 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:32:07,093 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_53fae170-6ea5-4287-a936-af61970631a8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i[33021,33034] [2021-11-21 00:32:07,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:32:07,194 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:32:07,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:32:07 WrapperNode [2021-11-21 00:32:07,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:32:07,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:32:07,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:32:07,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:32:07,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:32:07" (1/1) ... [2021-11-21 00:32:07,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:32:07" (1/1) ... [2021-11-21 00:32:07,295 INFO L137 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 627 [2021-11-21 00:32:07,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:32:07,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:32:07,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:32:07,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:32:07,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:32:07" (1/1) ... [2021-11-21 00:32:07,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:32:07" (1/1) ... [2021-11-21 00:32:07,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:32:07" (1/1) ... [2021-11-21 00:32:07,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:32:07" (1/1) ... [2021-11-21 00:32:07,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:32:07" (1/1) ... [2021-11-21 00:32:07,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:32:07" (1/1) ... [2021-11-21 00:32:07,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:32:07" (1/1) ... [2021-11-21 00:32:07,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:32:07,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:32:07,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:32:07,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:32:07,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:32:07" (1/1) ... [2021-11-21 00:32:07,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:32:07,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:32:07,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:32:07,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:32:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:32:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:32:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:32:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:32:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:32:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:32:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:32:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:32:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:32:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:32:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:32:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:32:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:32:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:32:07,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:32:07,755 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:32:07,756 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:32:08,647 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:32:08,958 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:32:08,958 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-21 00:32:08,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:32:08 BoogieIcfgContainer [2021-11-21 00:32:08,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:32:08,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:32:08,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:32:08,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:32:08,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:32:06" (1/3) ... [2021-11-21 00:32:08,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d255c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:32:08, skipping insertion in model container [2021-11-21 00:32:08,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:32:07" (2/3) ... [2021-11-21 00:32:08,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d255c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:32:08, skipping insertion in model container [2021-11-21 00:32:08,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:32:08" (3/3) ... [2021-11-21 00:32:08,983 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test1-1.i [2021-11-21 00:32:08,989 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:32:08,989 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 00:32:09,054 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:32:09,072 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 00:32:09,072 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 00:32:09,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 00:32:09,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 00:32:09,097 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:32:09,097 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 00:32:09,098 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 00:32:09,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:32:09,102 INFO L85 PathProgramCache]: Analyzing trace with hash 538186, now seen corresponding path program 1 times [2021-11-21 00:32:09,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:32:09,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277734365] [2021-11-21 00:32:09,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:09,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:32:09,238 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:32:09,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1546099666] [2021-11-21 00:32:09,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:09,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:32:09,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:32:09,246 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:32:09,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:32:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:32:09,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:32:09,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:32:09,456 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 00:32:09,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:32:09,457 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:32:09,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277734365] [2021-11-21 00:32:09,462 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:32:09,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546099666] [2021-11-21 00:32:09,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546099666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:32:09,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:32:09,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 00:32:09,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952642119] [2021-11-21 00:32:09,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:32:09,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:32:09,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:32:09,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:32:09,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:32:09,505 INFO L87 Difference]: Start difference. First operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) 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 00:32:10,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:32:10,804 INFO L93 Difference]: Finished difference Result 230 states and 388 transitions. [2021-11-21 00:32:10,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:32:10,818 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 00:32:10,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:32:10,828 INFO L225 Difference]: With dead ends: 230 [2021-11-21 00:32:10,829 INFO L226 Difference]: Without dead ends: 141 [2021-11-21 00:32:10,832 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 00:32:10,836 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 54 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:32:10,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 201 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 00:32:10,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-21 00:32:10,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89. [2021-11-21 00:32:10,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 69 states have (on average 1.318840579710145) internal successors, (91), 83 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 00:32:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2021-11-21 00:32:10,890 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 3 [2021-11-21 00:32:10,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:32:10,891 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2021-11-21 00:32:10,891 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 00:32:10,891 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2021-11-21 00:32:10,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 00:32:10,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:32:10,893 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] [2021-11-21 00:32:10,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 00:32:11,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:32:11,122 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 00:32:11,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:32:11,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1093605591, now seen corresponding path program 1 times [2021-11-21 00:32:11,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:32:11,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967483186] [2021-11-21 00:32:11,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:11,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:32:11,139 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:32:11,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1455079497] [2021-11-21 00:32:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:11,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:32:11,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:32:11,141 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:32:11,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:32:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:32:11,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:32:11,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:32:11,454 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 00:32:11,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:32:11,454 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:32:11,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967483186] [2021-11-21 00:32:11,455 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:32:11,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455079497] [2021-11-21 00:32:11,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455079497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:32:11,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:32:11,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:32:11,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297828097] [2021-11-21 00:32:11,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:32:11,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:32:11,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:32:11,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:32:11,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:32:11,458 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 00:32:13,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:32:13,282 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2021-11-21 00:32:13,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:32:13,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2021-11-21 00:32:13,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:32:13,290 INFO L225 Difference]: With dead ends: 141 [2021-11-21 00:32:13,290 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 00:32:13,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 00:32:13,292 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 32 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:32:13,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 313 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 00:32:13,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 00:32:13,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2021-11-21 00:32:13,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 115 states have (on average 1.2347826086956522) internal successors, (142), 129 states have internal predecessors, (142), 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 00:32:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2021-11-21 00:32:13,308 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 27 [2021-11-21 00:32:13,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:32:13,309 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2021-11-21 00:32:13,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 00:32:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2021-11-21 00:32:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 00:32:13,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:32:13,310 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:32:13,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:32:13,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-21 00:32:13,511 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 00:32:13,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:32:13,512 INFO L85 PathProgramCache]: Analyzing trace with hash -457964632, now seen corresponding path program 1 times [2021-11-21 00:32:13,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:32:13,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972457931] [2021-11-21 00:32:13,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:13,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:32:13,530 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:32:13,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1553041988] [2021-11-21 00:32:13,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:13,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:32:13,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:32:13,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:32:13,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:32:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:32:13,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:32:13,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:32:13,799 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 00:32:13,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:32:13,800 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:32:13,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972457931] [2021-11-21 00:32:13,800 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:32:13,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553041988] [2021-11-21 00:32:13,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553041988] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:32:13,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:32:13,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:32:13,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040335224] [2021-11-21 00:32:13,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:32:13,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:32:13,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:32:13,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:32:13,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:32:13,808 INFO L87 Difference]: Start difference. First operand 138 states and 174 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:32:14,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:32:14,469 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2021-11-21 00:32:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:32:14,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-21 00:32:14,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:32:14,480 INFO L225 Difference]: With dead ends: 138 [2021-11-21 00:32:14,480 INFO L226 Difference]: Without dead ends: 137 [2021-11-21 00:32:14,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 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 00:32:14,482 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 59 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:32:14,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-21 00:32:14,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-21 00:32:14,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-21 00:32:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:32:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 00:32:14,501 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 28 [2021-11-21 00:32:14,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:32:14,502 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 00:32:14,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:32:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 00:32:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 00:32:14,503 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:32:14,504 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:32:14,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:32:14,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:32:14,730 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 00:32:14,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:32:14,731 INFO L85 PathProgramCache]: Analyzing trace with hash -2017329836, now seen corresponding path program 1 times [2021-11-21 00:32:14,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:32:14,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370873381] [2021-11-21 00:32:14,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:14,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:32:14,748 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:32:14,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1778162425] [2021-11-21 00:32:14,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:14,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:32:14,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:32:14,750 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:32:14,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:32:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:32:14,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:32:14,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:32:15,086 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 00:32:15,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:32:15,087 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:32:15,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370873381] [2021-11-21 00:32:15,087 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:32:15,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778162425] [2021-11-21 00:32:15,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778162425] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:32:15,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:32:15,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:32:15,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965737883] [2021-11-21 00:32:15,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:32:15,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:32:15,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:32:15,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:32:15,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:32:15,094 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 00:32:16,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:32:16,485 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2021-11-21 00:32:16,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:32:16,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-21 00:32:16,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:32:16,492 INFO L225 Difference]: With dead ends: 246 [2021-11-21 00:32:16,492 INFO L226 Difference]: Without dead ends: 135 [2021-11-21 00:32:16,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 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 00:32:16,495 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:32:16,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 00:32:16,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-21 00:32:16,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-11-21 00:32:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2212389380530972) internal successors, (138), 126 states have internal predecessors, (138), 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 00:32:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-11-21 00:32:16,512 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 30 [2021-11-21 00:32:16,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:32:16,513 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-11-21 00:32:16,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 00:32:16,513 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-11-21 00:32:16,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 00:32:16,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:32:16,515 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:32:16,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 00:32:16,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:32:16,726 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 00:32:16,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:32:16,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1320081689, now seen corresponding path program 1 times [2021-11-21 00:32:16,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:32:16,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075758822] [2021-11-21 00:32:16,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:16,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:32:16,738 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:32:16,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1321150388] [2021-11-21 00:32:16,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:16,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:32:16,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:32:16,742 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:32:16,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 00:32:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:32:17,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:32:17,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:32:17,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:32:17,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:32:17,425 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:32:17,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075758822] [2021-11-21 00:32:17,425 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:32:17,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321150388] [2021-11-21 00:32:17,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321150388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:32:17,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:32:17,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:32:17,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576698047] [2021-11-21 00:32:17,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:32:17,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:32:17,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:32:17,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:32:17,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:32:17,429 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:32:17,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:32:17,933 INFO L93 Difference]: Finished difference Result 252 states and 326 transitions. [2021-11-21 00:32:17,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:32:17,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2021-11-21 00:32:17,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:32:17,938 INFO L225 Difference]: With dead ends: 252 [2021-11-21 00:32:17,938 INFO L226 Difference]: Without dead ends: 137 [2021-11-21 00:32:17,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 00:32:17,940 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:32:17,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 296 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 00:32:17,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-21 00:32:17,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-21 00:32:17,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 128 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-21 00:32:17,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2021-11-21 00:32:17,958 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 43 [2021-11-21 00:32:17,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:32:17,958 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2021-11-21 00:32:17,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:32:17,959 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2021-11-21 00:32:17,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 00:32:17,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:32:17,961 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:32:17,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-21 00:32:18,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:32:18,174 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 00:32:18,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:32:18,175 INFO L85 PathProgramCache]: Analyzing trace with hash 198198289, now seen corresponding path program 1 times [2021-11-21 00:32:18,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:32:18,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027406858] [2021-11-21 00:32:18,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:18,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:32:18,190 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:32:18,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [173820890] [2021-11-21 00:32:18,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:18,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:32:18,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:32:18,202 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:32:18,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fae170-6ea5-4287-a936-af61970631a8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 00:32:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:32:20,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 00:32:20,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:32:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:32:21,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:32:21,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:32:21,342 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:32:21,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027406858] [2021-11-21 00:32:21,343 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:32:21,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173820890] [2021-11-21 00:32:21,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173820890] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:32:21,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1653582078] [2021-11-21 00:32:21,364 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 00:32:21,364 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:32:21,369 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:32:21,374 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:32:21,375 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:32:21,537 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 00:32:21,569 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:32:21,569 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 00:32:21,609 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:32:21,610 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 00:32:21,638 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 00:32:21,686 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:32:21,686 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 00:32:21,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:32:21,895 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 00:32:21,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:21,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:21,912 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 00:32:23,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,030 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 00:32:23,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,067 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 00:32:23,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,092 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 00:32:23,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,145 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 00:32:23,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,226 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 00:32:23,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 00:32:23,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,344 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 00:32:23,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,482 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:32:23,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:32:23,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,562 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 00:32:23,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,631 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 00:32:23,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,679 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 00:32:23,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 117 treesize of output 125 [2021-11-21 00:32:23,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:23,747 INFO L354 Elim1Store]: treesize reduction 176, result has 10.7 percent of original size [2021-11-21 00:32:23,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 116 treesize of output 119 [2021-11-21 00:32:24,231 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 00:32:24,237 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 00:32:24,246 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 00:32:24,310 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 00:32:24,311 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 00:32:24,336 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:32:24,336 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 00:32:24,361 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:32:24,361 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 00:32:24,470 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 00:32:24,479 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 00:32:24,490 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 00:32:24,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,611 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 00:32:24,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,660 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 00:32:24,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,686 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 00:32:24,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,969 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 00:32:24,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:24,997 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 00:32:25,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:25,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:25,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:25,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:25,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:25,027 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 00:32:31,646 WARN L227 SmtUtils]: Spent 6.50s 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 00:32:31,647 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:32:31,647 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 00:32:31,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:42,704 WARN L227 SmtUtils]: Spent 11.01s 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 00:32:42,706 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:32:42,706 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 00:32:53,837 WARN L227 SmtUtils]: Spent 11.00s 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 00:32:53,839 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 00:32:53,840 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 00:32:55,597 INFO L354 Elim1Store]: treesize reduction 150, result has 21.9 percent of original size [2021-11-21 00:32:55,598 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 25944 treesize of output 25972 [2021-11-21 00:32:56,537 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 00:32:56,538 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 25954 treesize of output 25965 [2021-11-21 00:32:58,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:58,492 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 00:32:58,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-21 00:32:59,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,307 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 00:32:59,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 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 00:33:00,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:00,890 INFO L244 Elim1Store]: Index analysis took 275 ms [2021-11-21 00:33:00,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:04,868 INFO L354 Elim1Store]: treesize reduction 8866, result has 45.5 percent of original size [2021-11-21 00:33:04,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 8903 treesize of output 14627 [2021-11-21 00:33:10,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:11,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:11,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:11,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:11,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:33:11,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:11,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:11,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:33:11,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:11,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:11,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:11,564 INFO L244 Elim1Store]: Index analysis took 199 ms [2021-11-21 00:33:11,565 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 8620 treesize of output 6694 [2021-11-21 00:33:18,053 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 00:33:18,053 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 19992 treesize of output 20000 [2021-11-21 00:33:18,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:18,558 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:33:18,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 21 treesize of output 11 [2021-11-21 00:33:18,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:18,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:18,948 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-21 00:33:18,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-21 00:33:19,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:19,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:19,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:33:19,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-21 00:33:20,396 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:21,253 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:32,004 INFO L190 IndexEqualityManager]: detected not equals via solver