./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.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_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/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_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/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_f215e48a-05b1-4fea-9c56-0cbae0dab616/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 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:35:42,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:35:42,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:35:42,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:35:42,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:35:42,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:35:42,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:35:43,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:35:43,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:35:43,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:35:43,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:35:43,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:35:43,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:35:43,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:35:43,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:35:43,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:35:43,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:35:43,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:35:43,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:35:43,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:35:43,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:35:43,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:35:43,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:35:43,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:35:43,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:35:43,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:35:43,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:35:43,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:35:43,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:35:43,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:35:43,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:35:43,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:35:43,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:35:43,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:35:43,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:35:43,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:35:43,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:35:43,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:35:43,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:35:43,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:35:43,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:35:43,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 23:35:43,120 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:35:43,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:35:43,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:35:43,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:35:43,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:35:43,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:35:43,125 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:35:43,125 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:35:43,126 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:35:43,126 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:35:43,126 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:35:43,126 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:35:43,126 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:35:43,127 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:35:43,127 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:35:43,127 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:35:43,127 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:35:43,127 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:35:43,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:35:43,132 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:35:43,132 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:35:43,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:35:43,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:35:43,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:35:43,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:35:43,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:35:43,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:35:43,135 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 23:35:43,135 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:35:43,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:35:43,136 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:35:43,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:35:43,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:35:43,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:35:43,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:43,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:35:43,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:35:43,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:35:43,138 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:35:43,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:35:43,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:35:43,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:35:43,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:35:43,139 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_f215e48a-05b1-4fea-9c56-0cbae0dab616/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 [2021-11-20 23:35:43,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:35:43,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:35:43,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:35:43,423 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:35:43,424 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:35:43,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2021-11-20 23:35:43,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/data/88488c8af/75951b0208b941e193aef200b9130979/FLAG3d3efac15 [2021-11-20 23:35:44,164 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:35:44,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2021-11-20 23:35:44,185 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/data/88488c8af/75951b0208b941e193aef200b9130979/FLAG3d3efac15 [2021-11-20 23:35:44,500 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/data/88488c8af/75951b0208b941e193aef200b9130979 [2021-11-20 23:35:44,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:35:44,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:35:44,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:44,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:35:44,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:35:44,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:44" (1/1) ... [2021-11-20 23:35:44,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79eed1d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:44, skipping insertion in model container [2021-11-20 23:35:44,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:44" (1/1) ... [2021-11-20 23:35:44,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:35:44,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:35:44,970 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_f215e48a-05b1-4fea-9c56-0cbae0dab616/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i[33021,33034] [2021-11-20 23:35:45,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:45,086 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:35:45,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i[33021,33034] [2021-11-20 23:35:45,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:45,285 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:35:45,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:45 WrapperNode [2021-11-20 23:35:45,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:45,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:45,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:35:45,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:35:45,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:45" (1/1) ... [2021-11-20 23:35:45,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:45" (1/1) ... [2021-11-20 23:35:45,402 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 782 [2021-11-20 23:35:45,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:45,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:35:45,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:35:45,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:35:45,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:45" (1/1) ... [2021-11-20 23:35:45,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:45" (1/1) ... [2021-11-20 23:35:45,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:45" (1/1) ... [2021-11-20 23:35:45,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:45" (1/1) ... [2021-11-20 23:35:45,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:45" (1/1) ... [2021-11-20 23:35:45,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:45" (1/1) ... [2021-11-20 23:35:45,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:45" (1/1) ... [2021-11-20 23:35:45,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:35:45,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:35:45,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:35:45,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:35:45,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:45" (1/1) ... [2021-11-20 23:35:45,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:45,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:45,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:35:45,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:35:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:35:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:35:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:35:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:35:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:35:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:35:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:35:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:35:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:35:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:35:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:35:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:35:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:35:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:35:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:35:45,838 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:35:45,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:35:46,889 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:35:47,263 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:35:47,263 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-20 23:35:47,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:47 BoogieIcfgContainer [2021-11-20 23:35:47,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:35:47,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:35:47,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:35:47,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:35:47,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:35:44" (1/3) ... [2021-11-20 23:35:47,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38aa7bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:47, skipping insertion in model container [2021-11-20 23:35:47,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:45" (2/3) ... [2021-11-20 23:35:47,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38aa7bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:47, skipping insertion in model container [2021-11-20 23:35:47,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:47" (3/3) ... [2021-11-20 23:35:47,280 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test1-2.i [2021-11-20 23:35:47,287 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:35:47,287 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 23:35:47,360 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:35:47,367 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:35:47,367 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 23:35:47,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 81 states have (on average 1.8024691358024691) internal successors, (146), 97 states have internal predecessors, (146), 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) [2021-11-20 23:35:47,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-20 23:35:47,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:47,397 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-20 23:35:47,398 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)] === [2021-11-20 23:35:47,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:47,404 INFO L85 PathProgramCache]: Analyzing trace with hash 663178, now seen corresponding path program 1 times [2021-11-20 23:35:47,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:47,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006085242] [2021-11-20 23:35:47,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:47,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:47,539 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:47,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1306058828] [2021-11-20 23:35:47,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:47,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:47,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:47,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:47,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:35:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:47,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:35:47,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:47,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:47,736 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:47,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006085242] [2021-11-20 23:35:47,736 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:47,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306058828] [2021-11-20 23:35:47,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306058828] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:47,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:47,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-20 23:35:47,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433137067] [2021-11-20 23:35:47,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:47,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:35:47,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:47,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:35:47,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:35:47,775 INFO L87 Difference]: Start difference. First operand has 103 states, 81 states have (on average 1.8024691358024691) internal successors, (146), 97 states have internal predecessors, (146), 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) [2021-11-20 23:35:48,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:48,857 INFO L93 Difference]: Finished difference Result 258 states and 438 transitions. [2021-11-20 23:35:48,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:35:48,868 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 [2021-11-20 23:35:48,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:48,879 INFO L225 Difference]: With dead ends: 258 [2021-11-20 23:35:48,879 INFO L226 Difference]: Without dead ends: 141 [2021-11-20 23:35:48,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:35:48,886 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 54 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:48,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 231 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 23:35:48,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-20 23:35:48,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89. [2021-11-20 23:35:48,945 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) [2021-11-20 23:35:48,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2021-11-20 23:35:48,948 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 3 [2021-11-20 23:35:48,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:48,949 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2021-11-20 23:35:48,949 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) [2021-11-20 23:35:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2021-11-20 23:35:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-20 23:35:48,951 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:48,952 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] [2021-11-20 23:35:48,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:49,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-20 23:35:49,169 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)] === [2021-11-20 23:35:49,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:49,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1363999608, now seen corresponding path program 1 times [2021-11-20 23:35:49,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:49,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021158375] [2021-11-20 23:35:49,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:49,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:49,190 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:49,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [225353706] [2021-11-20 23:35:49,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:49,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:49,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:49,192 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:49,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:35:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:49,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:35:49,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:49,540 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:49,540 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:49,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021158375] [2021-11-20 23:35:49,540 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:49,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225353706] [2021-11-20 23:35:49,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225353706] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:49,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:49,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:35:49,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498821416] [2021-11-20 23:35:49,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:49,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:35:49,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:49,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:35:49,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:35:49,543 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) [2021-11-20 23:35:51,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:51,849 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2021-11-20 23:35:51,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:35:51,854 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 [2021-11-20 23:35:51,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:51,856 INFO L225 Difference]: With dead ends: 141 [2021-11-20 23:35:51,856 INFO L226 Difference]: Without dead ends: 140 [2021-11-20 23:35:51,857 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 [2021-11-20 23:35:51,858 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 32 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:51,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 313 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 23:35:51,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-20 23:35:51,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2021-11-20 23:35:51,874 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) [2021-11-20 23:35:51,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2021-11-20 23:35:51,876 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 27 [2021-11-20 23:35:51,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:51,877 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2021-11-20 23:35:51,877 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) [2021-11-20 23:35:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2021-11-20 23:35:51,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 23:35:51,879 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:51,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:51,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:52,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:52,104 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)] === [2021-11-20 23:35:52,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:52,105 INFO L85 PathProgramCache]: Analyzing trace with hash 665685527, now seen corresponding path program 1 times [2021-11-20 23:35:52,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:52,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197147064] [2021-11-20 23:35:52,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:52,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:52,125 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:52,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1155132843] [2021-11-20 23:35:52,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:52,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:52,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:52,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:52,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:35:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:52,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:35:52,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:52,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:52,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:52,397 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:52,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197147064] [2021-11-20 23:35:52,398 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:52,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155132843] [2021-11-20 23:35:52,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155132843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:52,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:52,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:35:52,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772933206] [2021-11-20 23:35:52,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:52,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:35:52,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:52,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:35:52,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:35:52,403 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) [2021-11-20 23:35:53,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:53,582 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2021-11-20 23:35:53,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:35:53,594 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 [2021-11-20 23:35:53,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:53,596 INFO L225 Difference]: With dead ends: 138 [2021-11-20 23:35:53,596 INFO L226 Difference]: Without dead ends: 137 [2021-11-20 23:35:53,597 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 [2021-11-20 23:35:53,598 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 59 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:53,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 23:35:53,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-20 23:35:53,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-20 23:35:53,615 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) [2021-11-20 23:35:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-20 23:35:53,617 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 28 [2021-11-20 23:35:53,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:53,617 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-20 23:35:53,618 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) [2021-11-20 23:35:53,618 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-20 23:35:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-20 23:35:53,619 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:53,620 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:53,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:53,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-20 23:35:53,836 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)] === [2021-11-20 23:35:53,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:53,837 INFO L85 PathProgramCache]: Analyzing trace with hash -226314427, now seen corresponding path program 1 times [2021-11-20 23:35:53,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:53,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522406777] [2021-11-20 23:35:53,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:53,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:53,859 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:53,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [622039037] [2021-11-20 23:35:53,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:53,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:53,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:53,863 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:53,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:35:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:54,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:35:54,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:54,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:54,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:54,227 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:54,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522406777] [2021-11-20 23:35:54,228 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:54,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622039037] [2021-11-20 23:35:54,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622039037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:54,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:54,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:35:54,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955208497] [2021-11-20 23:35:54,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:54,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:35:54,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:54,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:35:54,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:35:54,230 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) [2021-11-20 23:35:55,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:55,784 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2021-11-20 23:35:55,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:35:55,799 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 [2021-11-20 23:35:55,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:55,800 INFO L225 Difference]: With dead ends: 246 [2021-11-20 23:35:55,800 INFO L226 Difference]: Without dead ends: 135 [2021-11-20 23:35:55,801 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 [2021-11-20 23:35:55,803 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:55,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-20 23:35:55,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-20 23:35:55,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-11-20 23:35:55,816 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) [2021-11-20 23:35:55,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-11-20 23:35:55,818 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 30 [2021-11-20 23:35:55,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:55,818 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-11-20 23:35:55,818 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) [2021-11-20 23:35:55,819 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-11-20 23:35:55,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-20 23:35:55,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:55,820 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] [2021-11-20 23:35:55,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:56,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:56,040 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)] === [2021-11-20 23:35:56,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:56,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2000698168, now seen corresponding path program 1 times [2021-11-20 23:35:56,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:56,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775435365] [2021-11-20 23:35:56,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:56,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:56,082 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:56,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1587329556] [2021-11-20 23:35:56,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:56,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:56,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:56,095 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:56,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 23:35:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:56,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:35:56,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:56,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:35:56,484 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:56,484 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:56,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775435365] [2021-11-20 23:35:56,485 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:56,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587329556] [2021-11-20 23:35:56,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587329556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:56,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:56,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:35:56,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486105736] [2021-11-20 23:35:56,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:56,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:35:56,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:56,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:35:56,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:35:56,488 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:35:57,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:57,752 INFO L93 Difference]: Finished difference Result 252 states and 326 transitions. [2021-11-20 23:35:57,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:35:57,757 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2021-11-20 23:35:57,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:57,759 INFO L225 Difference]: With dead ends: 252 [2021-11-20 23:35:57,759 INFO L226 Difference]: Without dead ends: 137 [2021-11-20 23:35:57,760 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 [2021-11-20 23:35:57,761 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:57,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 296 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 23:35:57,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-20 23:35:57,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-20 23:35:57,776 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) [2021-11-20 23:35:57,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2021-11-20 23:35:57,778 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 43 [2021-11-20 23:35:57,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:57,778 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2021-11-20 23:35:57,779 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:35:57,779 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2021-11-20 23:35:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-20 23:35:57,781 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:57,781 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] [2021-11-20 23:35:57,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:58,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:58,000 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)] === [2021-11-20 23:35:58,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:58,001 INFO L85 PathProgramCache]: Analyzing trace with hash 56861400, now seen corresponding path program 1 times [2021-11-20 23:35:58,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:58,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034879216] [2021-11-20 23:35:58,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:58,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:58,028 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:58,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2120699815] [2021-11-20 23:35:58,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:58,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:58,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:58,036 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:58,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f215e48a-05b1-4fea-9c56-0cbae0dab616/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 23:35:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:58,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:35:58,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:58,580 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:35:58,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:35:58,752 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:35:58,753 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:58,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034879216] [2021-11-20 23:35:58,753 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:58,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120699815] [2021-11-20 23:35:58,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120699815] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:35:58,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [662384391] [2021-11-20 23:35:58,775 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-20 23:35:58,775 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:35:58,780 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:35:58,785 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:35:58,786 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:35:58,954 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:35:58,955 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 [2021-11-20 23:35:58,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:35:58,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:35:59,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:35:59,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-20 23:35:59,170 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 [2021-11-20 23:35:59,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:59,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:59,193 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 [2021-11-20 23:35:59,252 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 [2021-11-20 23:36:00,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,320 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 [2021-11-20 23:36:00,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,361 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 [2021-11-20 23:36:00,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,381 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 [2021-11-20 23:36:00,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,452 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 [2021-11-20 23:36:00,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,533 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 [2021-11-20 23:36:00,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-20 23:36:00,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:36:00,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,637 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 [2021-11-20 23:36:00,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,737 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 [2021-11-20 23:36:00,786 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-20 23:36:00,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 117 treesize of output 125 [2021-11-20 23:36:00,851 INFO L354 Elim1Store]: treesize reduction 184, result has 10.2 percent of original size [2021-11-20 23:36:00,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 116 treesize of output 119 [2021-11-20 23:36:00,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:00,966 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 [2021-11-20 23:36:01,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:36:01,457 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 [2021-11-20 23:36:01,463 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 [2021-11-20 23:36:01,469 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 [2021-11-20 23:36:01,524 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 23:36:01,525 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 98 treesize of output 97 [2021-11-20 23:36:01,549 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-20 23:36:01,549 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 94 treesize of output 93 [2021-11-20 23:36:01,571 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 23:36:01,572 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 90 treesize of output 89 [2021-11-20 23:36:01,640 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 [2021-11-20 23:36:01,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 23:36:01,658 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 [2021-11-20 23:36:01,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,753 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 [2021-11-20 23:36:01,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,809 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 [2021-11-20 23:36:01,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,839 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 [2021-11-20 23:36:02,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,117 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 [2021-11-20 23:36:02,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,141 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 [2021-11-20 23:36:02,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,169 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 [2021-11-20 23:36:08,468 WARN L227 SmtUtils]: Spent 6.20s 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) [2021-11-20 23:36:08,469 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:36:08,469 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 [2021-11-20 23:36:08,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:17,789 WARN L227 SmtUtils]: Spent 9.26s 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) [2021-11-20 23:36:17,789 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:36:17,790 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 [2021-11-20 23:36:27,968 WARN L227 SmtUtils]: Spent 10.04s 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) [2021-11-20 23:36:27,970 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-20 23:36:27,971 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 [2021-11-20 23:36:29,488 INFO L354 Elim1Store]: treesize reduction 150, result has 21.9 percent of original size [2021-11-20 23:36:29,489 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 [2021-11-20 23:36:30,108 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-20 23:36:30,108 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 [2021-11-20 23:36:32,446 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:32,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:32,957 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 23:36:32,958 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 [2021-11-20 23:36:33,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:33,585 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-20 23:36:33,585 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 [2021-11-20 23:36:34,106 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:34,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:34,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:34,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:34,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:34,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1188 treesize of output 824 [2021-11-20 23:36:34,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:34,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:35,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:35,385 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:35,511 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:35,662 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:35,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:36,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:36,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:36,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:36,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:36,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:36,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:36,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1209 treesize of output 827 [2021-11-20 23:36:36,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:36,705 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:36,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:37,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:37,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:37,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:37,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:37,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:37,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:37,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:37,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:37,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:37,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:37,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:38,070 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-20 23:36:38,071 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 1 case distinctions, treesize of input 1271 treesize of output 867 [2021-11-20 23:36:38,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:39,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:39,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:39,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:39,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:39,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:39,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:39,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:39,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:39,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:39,423 INFO L244 Elim1Store]: Index analysis took 188 ms [2021-11-20 23:36:39,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1271 treesize of output 821 [2021-11-20 23:36:39,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:40,630 INFO L244 Elim1Store]: Index analysis took 318 ms [2021-11-20 23:36:42,679 INFO L354 Elim1Store]: treesize reduction 917, result has 50.8 percent of original size [2021-11-20 23:36:42,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1286 treesize of output 1777 [2021-11-20 23:36:45,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:45,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:45,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:45,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:45,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:45,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:45,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:45,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:45,827 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-11-20 23:36:45,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1271 treesize of output 821 [2021-11-20 23:36:46,658 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:47,696 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:48,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:48,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:48,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:48,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:48,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:48,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:48,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:48,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:48,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:48,227 INFO L244 Elim1Store]: Index analysis took 161 ms [2021-11-20 23:36:48,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1265 treesize of output 827 [2021-11-20 23:36:48,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:48,673 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:48,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:49,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:49,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:49,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:50,181 INFO L354 Elim1Store]: treesize reduction 793, result has 31.3 percent of original size [2021-11-20 23:36:50,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1265 treesize of output 1189 [2021-11-20 23:36:50,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:50,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:51,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:53,247 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-20 23:36:53,247 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 1573 treesize of output 1581 [2021-11-20 23:36:54,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:54,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:54,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:54,218 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 [2021-11-20 23:36:54,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:54,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:55,104 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:36:55,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 73 [2021-11-20 23:36:55,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:55,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:55,694 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 55 treesize of output 39 [2021-11-20 23:37:00,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:37:00,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:37:00,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:37:00,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,465 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 4858 treesize of output 3290 [2021-11-20 23:37:04,402 INFO L190 IndexEqualityManager]: detected not equals via solver