./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7 --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 6d35be8b8e312d4eada0f7530ae9d43ecf1865be922a243e0781a735d175935c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:08:35,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:08:35,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:08:35,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:08:35,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:08:35,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:08:35,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:08:35,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:08:35,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:08:35,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:08:35,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:08:35,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:08:35,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:08:35,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:08:35,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:08:35,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:08:35,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:08:35,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:08:35,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:08:35,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:08:35,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:08:35,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:08:35,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:08:35,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:08:35,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:08:35,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:08:35,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:08:35,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:08:35,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:08:35,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:08:35,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:08:35,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:08:35,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:08:35,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:08:35,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:08:35,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:08:35,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:08:35,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:08:35,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:08:35,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:08:35,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:08:35,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:08:35,792 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:08:35,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:08:35,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:08:35,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:08:35,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:08:35,794 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:08:35,794 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:08:35,794 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:08:35,794 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:08:35,795 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:08:35,795 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:08:35,795 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:08:35,795 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:08:35,795 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:08:35,796 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:08:35,796 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:08:35,796 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:08:35,796 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:08:35,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:08:35,797 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:08:35,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:08:35,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:08:35,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:08:35,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:08:35,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:08:35,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:08:35,799 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:08:35,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:08:35,799 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:08:35,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:08:35,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:08:35,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:08:35,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:08:35,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:08:35,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:08:35,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:08:35,801 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:08:35,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:08:35,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:08:35,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:08:35,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:08:35,802 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_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d35be8b8e312d4eada0f7530ae9d43ecf1865be922a243e0781a735d175935c [2021-11-25 20:08:36,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:08:36,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:08:36,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:08:36,128 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:08:36,129 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:08:36,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i [2021-11-25 20:08:36,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/data/ea77637c7/bbea734cf827479484ae45638ec399dc/FLAGe3acc26a8 [2021-11-25 20:08:36,840 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:08:36,840 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i [2021-11-25 20:08:36,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/data/ea77637c7/bbea734cf827479484ae45638ec399dc/FLAGe3acc26a8 [2021-11-25 20:08:37,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/data/ea77637c7/bbea734cf827479484ae45638ec399dc [2021-11-25 20:08:37,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:08:37,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:08:37,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:08:37,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:08:37,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:08:37,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:08:37" (1/1) ... [2021-11-25 20:08:37,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c1c944f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:37, skipping insertion in model container [2021-11-25 20:08:37,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:08:37" (1/1) ... [2021-11-25 20:08:37,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:08:37,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:08:37,541 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_a688e6cf-e24a-4ee2-afbe-de16b34e485f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i[33021,33034] [2021-11-25 20:08:37,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:08:37,710 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:08:37,739 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_a688e6cf-e24a-4ee2-afbe-de16b34e485f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i[33021,33034] [2021-11-25 20:08:37,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:08:37,857 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:08:37,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:37 WrapperNode [2021-11-25 20:08:37,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:08:37,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:08:37,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:08:37,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:08:37,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:37" (1/1) ... [2021-11-25 20:08:37,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:37" (1/1) ... [2021-11-25 20:08:38,004 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-25 20:08:38,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:08:38,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:08:38,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:08:38,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:08:38,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:37" (1/1) ... [2021-11-25 20:08:38,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:37" (1/1) ... [2021-11-25 20:08:38,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:37" (1/1) ... [2021-11-25 20:08:38,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:37" (1/1) ... [2021-11-25 20:08:38,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:37" (1/1) ... [2021-11-25 20:08:38,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:37" (1/1) ... [2021-11-25 20:08:38,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:37" (1/1) ... [2021-11-25 20:08:38,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:08:38,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:08:38,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:08:38,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:08:38,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:37" (1/1) ... [2021-11-25 20:08:38,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:08:38,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:08:38,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:08:38,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:08:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:08:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:08:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:08:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:08:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:08:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:08:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:08:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:08:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:08:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:08:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:08:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:08:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:08:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:08:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:08:38,510 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:08:38,512 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:08:39,814 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:08:40,405 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:08:40,405 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-25 20:08:40,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:08:40 BoogieIcfgContainer [2021-11-25 20:08:40,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:08:40,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:08:40,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:08:40,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:08:40,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:08:37" (1/3) ... [2021-11-25 20:08:40,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16033a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:08:40, skipping insertion in model container [2021-11-25 20:08:40,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:37" (2/3) ... [2021-11-25 20:08:40,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16033a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:08:40, skipping insertion in model container [2021-11-25 20:08:40,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:08:40" (3/3) ... [2021-11-25 20:08:40,422 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test4-2.i [2021-11-25 20:08:40,428 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:08:40,428 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:08:40,500 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:08:40,520 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 [2021-11-25 20:08:40,524 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:08:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 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) [2021-11-25 20:08:40,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 20:08:40,563 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:40,563 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:08:40,564 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:40,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:40,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-25 20:08:40,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:40,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784347650] [2021-11-25 20:08:40,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:40,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:40,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:08:40,770 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:40,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784347650] [2021-11-25 20:08:40,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784347650] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:40,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:08:40,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:08:40,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200929784] [2021-11-25 20:08:40,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:40,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:08:40,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:40,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:08:40,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:08:40,812 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 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) [2021-11-25 20:08:42,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:42,996 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-25 20:08:43,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:43,002 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 [2021-11-25 20:08:43,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:43,014 INFO L225 Difference]: With dead ends: 375 [2021-11-25 20:08:43,014 INFO L226 Difference]: Without dead ends: 220 [2021-11-25 20:08:43,019 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 [2021-11-25 20:08:43,023 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:43,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 20:08:43,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-25 20:08:43,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-25 20:08:43,080 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) [2021-11-25 20:08:43,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-25 20:08:43,084 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-25 20:08:43,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:43,084 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-25 20:08:43,085 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) [2021-11-25 20:08:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-25 20:08:43,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 20:08:43,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:43,089 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] [2021-11-25 20:08:43,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:08:43,089 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:43,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:43,090 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-25 20:08:43,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:43,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137082341] [2021-11-25 20:08:43,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:43,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:43,319 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:08:43,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1138266941] [2021-11-25 20:08:43,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:43,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:43,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:08:43,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:08:43,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:08:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:44,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:08:44,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:08:44,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:08:44,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:08:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:08:45,000 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:45,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137082341] [2021-11-25 20:08:45,001 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:08:45,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138266941] [2021-11-25 20:08:45,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138266941] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:08:45,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1125796526] [2021-11-25 20:08:45,034 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-25 20:08:45,035 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:08:45,039 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:08:45,044 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:08:45,045 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:08:45,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:45,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,275 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:08:45,277 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 [2021-11-25 20:08:45,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,308 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 [2021-11-25 20:08:45,347 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:08:45,348 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 [2021-11-25 20:08:45,369 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 [2021-11-25 20:08:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,391 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 [2021-11-25 20:08:45,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:08:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:08:45,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:08:45,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:45,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:08:45,946 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:08:45,946 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 [2021-11-25 20:08:45,992 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:08:45,993 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 [2021-11-25 20:08:46,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,015 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 [2021-11-25 20:08:46,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,036 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 [2021-11-25 20:08:46,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:46,052 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 [2021-11-25 20:08:46,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:08:46,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:08:46,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:08:46,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:46,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:08:46,494 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:08:47,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1125796526] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:47,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:08:47,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 20:08:47,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375921709] [2021-11-25 20:08:47,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:47,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 20:08:47,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:47,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 20:08:47,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:08:47,595 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) [2021-11-25 20:08:51,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:51,028 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-25 20:08:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:08:51,028 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 [2021-11-25 20:08:51,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:08:51,031 INFO L225 Difference]: With dead ends: 265 [2021-11-25 20:08:51,031 INFO L226 Difference]: Without dead ends: 140 [2021-11-25 20:08:51,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 142 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:08:51,034 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:08:51,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 20:08:51,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-25 20:08:51,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-25 20:08:51,053 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) [2021-11-25 20:08:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-25 20:08:51,056 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-25 20:08:51,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:08:51,056 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-25 20:08:51,057 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) [2021-11-25 20:08:51,057 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-25 20:08:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 20:08:51,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:08:51,060 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] [2021-11-25 20:08:51,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 20:08:51,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:51,288 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:08:51,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:08:51,288 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-25 20:08:51,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:08:51,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22743585] [2021-11-25 20:08:51,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:51,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:08:51,488 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:08:51,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [667162767] [2021-11-25 20:08:51,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:08:51,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:08:51,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:08:51,500 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:08:51,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:08:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:08:52,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 2181 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:08:52,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:08:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:08:52,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:08:52,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:08:52,884 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:08:52,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22743585] [2021-11-25 20:08:52,885 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:08:52,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667162767] [2021-11-25 20:08:52,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667162767] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:08:52,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1418137799] [2021-11-25 20:08:52,900 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-25 20:08:52,900 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:08:52,901 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:08:52,901 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:08:52,901 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:08:53,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,069 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 [2021-11-25 20:08:53,106 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:08:53,107 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 [2021-11-25 20:08:53,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,124 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 [2021-11-25 20:08:53,163 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:08:53,163 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 [2021-11-25 20:08:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:53,178 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 [2021-11-25 20:08:53,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:08:53,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:08:53,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:08:53,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:08:53,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:08:53,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:08:53,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:08:53,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:08:53,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:08:53,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2021-11-25 20:08:53,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 20:08:53,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2021-11-25 20:08:53,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:08:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:08:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,974 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:08:53,975 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 [2021-11-25 20:08:53,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:53,990 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 [2021-11-25 20:08:54,026 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:08:54,027 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 [2021-11-25 20:08:54,038 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 [2021-11-25 20:08:54,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,054 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 [2021-11-25 20:08:54,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:08:54,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:08:54,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:08:54,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:08:54,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 20:08:54,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:08:54,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:08:54,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:08:54,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:08:54,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:08:54,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2021-11-25 20:08:54,695 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:08:54,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2021-11-25 20:08:54,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 20:08:54,927 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 107 for LOIs [2021-11-25 20:08:54,999 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:08:57,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1418137799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:08:57,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:08:57,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 20:08:57,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594667312] [2021-11-25 20:08:57,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:08:57,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 20:08:57,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:08:57,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 20:08:57,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 20:08:57,044 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) [2021-11-25 20:09:00,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:09:00,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:09:00,956 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-25 20:09:00,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 20:09:00,957 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 [2021-11-25 20:09:00,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:09:00,959 INFO L225 Difference]: With dead ends: 267 [2021-11-25 20:09:00,959 INFO L226 Difference]: Without dead ends: 142 [2021-11-25 20:09:00,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 174 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 20:09:00,961 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:09:00,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 77 Unchecked, 3.9s Time] [2021-11-25 20:09:00,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-25 20:09:00,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-25 20:09:00,978 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) [2021-11-25 20:09:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-25 20:09:00,980 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-25 20:09:00,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:09:00,981 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-25 20:09:00,981 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) [2021-11-25 20:09:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-25 20:09:00,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 20:09:00,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:09:00,984 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] [2021-11-25 20:09:01,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:09:01,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:09:01,196 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:09:01,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:09:01,196 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-25 20:09:01,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:09:01,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604622645] [2021-11-25 20:09:01,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:09:01,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:09:01,350 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:09:01,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1455946341] [2021-11-25 20:09:01,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:09:01,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:09:01,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:09:01,352 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:09:01,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a688e6cf-e24a-4ee2-afbe-de16b34e485f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:09:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:09:02,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:09:02,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:09:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 20:09:02,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:09:02,761 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 20:09:02,761 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:09:02,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604622645] [2021-11-25 20:09:02,762 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:09:02,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455946341] [2021-11-25 20:09:02,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455946341] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:09:02,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1316570883] [2021-11-25 20:09:02,766 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-25 20:09:02,766 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:09:02,767 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:09:02,767 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:09:02,767 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:09:02,885 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:09:02,885 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 [2021-11-25 20:09:02,895 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 [2021-11-25 20:09:02,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:02,908 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 [2021-11-25 20:09:02,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:02,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:09:02,916 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 [2021-11-25 20:09:02,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:02,933 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 [2021-11-25 20:09:03,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:09:03,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:09:03,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:09:03,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:09:03,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:09:03,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 20:09:03,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:09:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:09:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2021-11-25 20:09:03,461 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:09:03,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2021-11-25 20:09:03,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 20:09:03,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:09:03,592 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 [2021-11-25 20:09:03,595 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 [2021-11-25 20:09:03,599 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 [2021-11-25 20:09:03,641 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:09:03,642 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 55 treesize of output 58 [2021-11-25 20:09:03,670 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 20:09:03,671 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 53 treesize of output 56 [2021-11-25 20:09:03,699 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:09:03,699 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 47 treesize of output 50 [2021-11-25 20:09:03,737 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 [2021-11-25 20:09:03,786 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 [2021-11-25 20:09:03,791 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 [2021-11-25 20:09:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 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 [2021-11-25 20:09:03,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:09:03,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:03,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 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 [2021-11-25 20:09:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 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 [2021-11-25 20:09:04,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:09:04,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:04,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 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 [2021-11-25 20:09:12,386 WARN L227 SmtUtils]: Spent 8.21s 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) [2021-11-25 20:09:12,387 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:09:12,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 20:09:12,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:20,990 WARN L227 SmtUtils]: Spent 8.49s 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) [2021-11-25 20:09:20,990 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:09:20,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 20:09:21,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:21,529 INFO L244 Elim1Store]: Index analysis took 368 ms [2021-11-25 20:09:33,616 WARN L227 SmtUtils]: Spent 11.83s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:09:33,618 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:09:33,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 20:09:34,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:34,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:34,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:34,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-25 20:09:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:34,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:34,414 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-11-25 20:09:34,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 37 treesize of output 49 [2021-11-25 20:09:34,855 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:09:34,883 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:09:35,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:35,107 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:09:35,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 20:09:35,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:35,490 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:09:35,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 20:09:35,568 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:09:35,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:35,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 20:09:35,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:09:35,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:09:35,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:09:35,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:09:36,183 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 20:09:36,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44