./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/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_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:02:36,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:02:36,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:02:36,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:02:36,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:02:36,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:02:36,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:02:36,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:02:36,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:02:36,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:02:36,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:02:36,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:02:36,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:02:36,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:02:36,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:02:36,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:02:36,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:02:36,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:02:36,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:02:36,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:02:36,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:02:36,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:02:36,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:02:36,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:02:36,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:02:36,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:02:36,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:02:36,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:02:36,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:02:36,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:02:36,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:02:36,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:02:36,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:02:36,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:02:36,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:02:36,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:02:36,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:02:36,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:02:36,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:02:36,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:02:36,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:02:36,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 00:02:36,735 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:02:36,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:02:36,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:02:36,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:02:36,737 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:02:36,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:02:36,738 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:02:36,738 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:02:36,738 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:02:36,738 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:02:36,739 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:02:36,739 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:02:36,739 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:02:36,739 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:02:36,740 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:02:36,740 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:02:36,740 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:02:36,741 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:02:36,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:02:36,742 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:02:36,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:02:36,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:02:36,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:02:36,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:02:36,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:02:36,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:02:36,743 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:02:36,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:02:36,744 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:02:36,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:02:36,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:02:36,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:02:36,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:02:36,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:02:36,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:02:36,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:02:36,746 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:02:36,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:02:36,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:02:36,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:02:36,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:02:36,747 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_6c10a03e-e541-418b-a262-b5f424cc776b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 [2021-11-21 00:02:37,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:02:37,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:02:37,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:02:37,053 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:02:37,054 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:02:37,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2021-11-21 00:02:37,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/data/f1ceb9a36/19bea5001e094209b2e811020ce42762/FLAG9330382b9 [2021-11-21 00:02:37,867 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:02:37,868 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2021-11-21 00:02:37,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/data/f1ceb9a36/19bea5001e094209b2e811020ce42762/FLAG9330382b9 [2021-11-21 00:02:38,029 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/data/f1ceb9a36/19bea5001e094209b2e811020ce42762 [2021-11-21 00:02:38,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:02:38,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:02:38,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:02:38,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:02:38,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:02:38,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:02:38" (1/1) ... [2021-11-21 00:02:38,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17be822f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:02:38, skipping insertion in model container [2021-11-21 00:02:38,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:02:38" (1/1) ... [2021-11-21 00:02:38,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:02:38,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:02:38,617 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_6c10a03e-e541-418b-a262-b5f424cc776b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i[33021,33034] [2021-11-21 00:02:38,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:02:38,785 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:02:38,820 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_6c10a03e-e541-418b-a262-b5f424cc776b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i[33021,33034] [2021-11-21 00:02:38,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:02:38,985 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:02:38,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:02:38 WrapperNode [2021-11-21 00:02:38,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:02:38,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:02:38,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:02:38,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:02:38,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:02:38" (1/1) ... [2021-11-21 00:02:39,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:02:38" (1/1) ... [2021-11-21 00:02:39,210 INFO L137 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1445 [2021-11-21 00:02:39,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:02:39,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:02:39,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:02:39,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:02:39,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:02:38" (1/1) ... [2021-11-21 00:02:39,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:02:38" (1/1) ... [2021-11-21 00:02:39,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:02:38" (1/1) ... [2021-11-21 00:02:39,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:02:38" (1/1) ... [2021-11-21 00:02:39,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:02:38" (1/1) ... [2021-11-21 00:02:39,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:02:38" (1/1) ... [2021-11-21 00:02:39,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:02:38" (1/1) ... [2021-11-21 00:02:39,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:02:39,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:02:39,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:02:39,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:02:39,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:02:38" (1/1) ... [2021-11-21 00:02:39,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:02:39,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:02:39,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:02:39,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:02:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:02:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:02:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:02:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:02:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:02:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:02:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:02:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:02:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:02:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:02:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:02:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:02:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:02:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:02:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:02:39,767 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:02:39,769 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:02:41,197 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:02:41,879 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:02:41,879 INFO L301 CfgBuilder]: Removed 77 assume(true) statements. [2021-11-21 00:02:41,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:02:41 BoogieIcfgContainer [2021-11-21 00:02:41,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:02:41,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:02:41,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:02:41,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:02:41,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:02:38" (1/3) ... [2021-11-21 00:02:41,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e86b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:02:41, skipping insertion in model container [2021-11-21 00:02:41,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:02:38" (2/3) ... [2021-11-21 00:02:41,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e86b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:02:41, skipping insertion in model container [2021-11-21 00:02:41,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:02:41" (3/3) ... [2021-11-21 00:02:41,897 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test4-3.i [2021-11-21 00:02:41,911 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:02:41,911 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 00:02:41,980 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:02:41,989 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:02:41,989 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 00:02:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:02:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 00:02:42,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:42,024 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:42,025 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:02:42,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:42,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1783625313, now seen corresponding path program 1 times [2021-11-21 00:02:42,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:42,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519687843] [2021-11-21 00:02:42,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:42,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:42,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:02:42,281 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:42,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519687843] [2021-11-21 00:02:42,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519687843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:42,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:42,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:02:42,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960668933] [2021-11-21 00:02:42,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:42,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:02:42,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:42,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:02:42,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:02:42,345 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:02:45,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:45,083 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2021-11-21 00:02:45,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:02:45,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 00:02:45,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:45,108 INFO L225 Difference]: With dead ends: 399 [2021-11-21 00:02:45,108 INFO L226 Difference]: Without dead ends: 220 [2021-11-21 00:02:45,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:02:45,118 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 97 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:45,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 344 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 00:02:45,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-21 00:02:45,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-21 00:02:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:02:45,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-21 00:02:45,215 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-21 00:02:45,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:45,216 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-21 00:02:45,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:02:45,216 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 00:02:45,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 00:02:45,222 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:45,223 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:45,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:02:45,223 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:02:45,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:45,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1011489585, now seen corresponding path program 1 times [2021-11-21 00:02:45,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:45,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397252282] [2021-11-21 00:02:45,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:45,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:45,256 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:02:45,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [767953879] [2021-11-21 00:02:45,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:45,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:02:45,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:02:45,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:02:45,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:02:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:45,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:02:45,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:02:45,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:02:45,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:02:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:02:46,059 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:46,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397252282] [2021-11-21 00:02:46,060 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:02:46,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767953879] [2021-11-21 00:02:46,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767953879] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:02:46,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1274902204] [2021-11-21 00:02:46,087 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-21 00:02:46,088 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:02:46,093 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:02:46,100 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:02:46,101 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:02:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:46,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:02:46,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:46,438 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:02:46,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 00:02:46,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:46,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:02:46,580 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:02:46,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 00:02:46,683 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:02:46,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:02:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:46,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:02:48,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:02:48,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:02:48,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:02:48,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,381 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 [2021-11-21 00:02:48,498 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:02:48,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 00:02:48,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:02:48,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,591 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:02:48,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 00:02:48,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:02:48,696 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:02:48,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:02:48,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:48,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:02:50,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:02:50,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:02:50,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:02:50,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:50,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:02:50,304 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:02:50,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1274902204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:50,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 00:02:50,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 00:02:50,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173866155] [2021-11-21 00:02:50,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:50,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 00:02:50,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:50,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 00:02:50,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:02:50,948 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:02:55,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:55,306 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-21 00:02:55,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 00:02:55,307 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-21 00:02:55,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:55,309 INFO L225 Difference]: With dead ends: 265 [2021-11-21 00:02:55,309 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 00:02:55,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:02:55,312 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 12 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:55,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 371 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-21 00:02:55,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 00:02:55,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-21 00:02:55,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:02:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 00:02:55,332 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-21 00:02:55,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:55,333 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 00:02:55,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:02:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 00:02:55,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 00:02:55,336 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:55,337 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:55,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:02:55,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:02:55,559 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:02:55,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:55,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1235485580, now seen corresponding path program 1 times [2021-11-21 00:02:55,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:55,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823253765] [2021-11-21 00:02:55,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:55,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:55,593 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:02:55,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1085348467] [2021-11-21 00:02:55,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:55,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:02:55,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:02:55,597 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:02:55,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:02:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:55,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:02:55,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:02:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:02:56,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:02:56,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:02:56,302 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:56,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823253765] [2021-11-21 00:02:56,303 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:02:56,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085348467] [2021-11-21 00:02:56,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085348467] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:02:56,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [102453861] [2021-11-21 00:02:56,308 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 00:02:56,308 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:02:56,309 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:02:56,309 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:02:56,309 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:02:56,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:56,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:02:56,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:56,554 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:02:56,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 00:02:56,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:56,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:02:56,628 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:02:56,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 00:02:56,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:56,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:02:56,718 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:02:56,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:02:57,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:02:57,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:02:57,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:02:57,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:57,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:02:58,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:02:58,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:02:58,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 00:02:58,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:02:58,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,296 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:02:58,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:02:58,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 00:02:58,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,450 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 00:02:58,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 00:02:58,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,507 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 00:02:58,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 00:02:58,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:58,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:02:59,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:59,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:02:59,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:59,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:02:59,378 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:02:59,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:02:59,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:02:59,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:02:59,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:02:59,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 00:03:00,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:03:00,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:03:00,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:03:00,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:03:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:03:00,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:03:00,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 00:03:00,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:03:00,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:00,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 00:03:01,070 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 00:03:01,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 00:03:01,120 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 00:03:01,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 00:03:01,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:03:01,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:01,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:03:02,229 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-21 00:03:02,503 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:03:03,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [102453861] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:03:03,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 00:03:03,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 00:03:03,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080364352] [2021-11-21 00:03:03,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:03:03,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 00:03:03,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:03:03,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 00:03:03,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 00:03:03,576 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:03:07,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:03:12,914 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:03:14,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:03:16,260 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:03:16,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:03:16,289 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-21 00:03:16,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 00:03:16,289 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-21 00:03:16,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:03:16,291 INFO L225 Difference]: With dead ends: 267 [2021-11-21 00:03:16,291 INFO L226 Difference]: Without dead ends: 142 [2021-11-21 00:03:16,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 00:03:16,294 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 7 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:03:16,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 765 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 310 Invalid, 0 Unknown, 80 Unchecked, 12.7s Time] [2021-11-21 00:03:16,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-21 00:03:16,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-21 00:03:16,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-21 00:03:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-21 00:03:16,313 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-21 00:03:16,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:03:16,313 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-21 00:03:16,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:03:16,313 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-21 00:03:16,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 00:03:16,316 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:03:16,317 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:03:16,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:03:16,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:03:16,523 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:03:16,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:03:16,523 INFO L85 PathProgramCache]: Analyzing trace with hash -662703022, now seen corresponding path program 1 times [2021-11-21 00:03:16,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:03:16,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496245766] [2021-11-21 00:03:16,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:16,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:03:16,540 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:03:16,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [529194514] [2021-11-21 00:03:16,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:16,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:03:16,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:03:16,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:03:16,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c10a03e-e541-418b-a262-b5f424cc776b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:03:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:03:16,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:03:16,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:03:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 00:03:17,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:03:17,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 00:03:17,260 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:03:17,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496245766] [2021-11-21 00:03:17,260 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:03:17,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529194514] [2021-11-21 00:03:17,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529194514] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:03:17,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [586294493] [2021-11-21 00:03:17,264 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 00:03:17,265 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:03:17,265 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:03:17,265 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:03:17,266 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:03:17,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:17,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:03:17,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:17,408 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:03:17,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 00:03:17,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:17,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:03:17,477 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:03:17,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 00:03:17,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:17,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:03:17,540 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:03:17,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:03:18,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:03:18,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:03:18,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:03:18,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:03:18,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:03:18,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 00:03:18,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:03:18,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:18,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:03:19,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,048 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:03:19,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:03:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:03:19,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 00:03:19,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,280 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 00:03:19,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 00:03:19,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:19,350 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 00:03:19,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 00:03:19,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:03:19,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 00:03:19,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:03:19,873 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 00:03:19,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 00:03:19,902 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:03:19,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 00:03:19,922 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:03:19,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 00:03:20,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:03:20,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:03:20,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:03:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:03:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:03:20,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:03:20,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:03:20,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:03:20,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:20,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:03:30,834 WARN L227 SmtUtils]: Spent 9.94s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:03:30,834 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:03:30,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 00:03:30,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:03:42,843 WARN L227 SmtUtils]: Spent 11.95s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:03:42,844 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:03:42,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 00:03:56,151 WARN L227 SmtUtils]: Spent 13.21s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:03:56,152 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 00:03:56,152 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 2842 treesize of output 2672 [2021-11-21 00:03:57,305 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 00:03:57,306 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 25940 treesize of output 25951 [2021-11-21 00:03:58,158 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 00:03:58,158 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 25939 treesize of output 25951 [2021-11-21 00:04:00,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:00,629 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 00:04:00,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 00:04:01,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:04:01,818 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 00:04:01,818 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 46 treesize of output 44