./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh --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 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 10:19:08,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:19:08,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:19:08,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:19:08,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:19:08,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:19:08,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:19:08,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:19:08,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:19:08,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:19:08,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:19:08,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:19:08,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:19:08,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:19:08,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:19:08,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:19:08,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:19:08,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:19:08,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:19:08,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:19:08,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:19:08,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:19:08,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:19:08,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:19:08,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:19:08,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:19:08,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:19:08,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:19:08,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:19:08,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:19:08,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:19:08,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:19:08,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:19:08,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:19:08,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:19:08,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:19:08,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:19:08,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:19:08,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:19:08,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:19:08,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:19:08,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 10:19:08,815 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:19:08,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:19:08,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:19:08,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:19:08,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:19:08,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:19:08,817 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:19:08,817 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:19:08,817 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:19:08,818 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:19:08,818 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:19:08,818 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:19:08,818 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:19:08,818 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:19:08,819 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:19:08,819 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:19:08,819 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:19:08,819 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:19:08,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:19:08,820 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:19:08,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:19:08,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:19:08,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:19:08,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:19:08,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:19:08,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:19:08,821 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:19:08,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:19:08,822 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:19:08,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:19:08,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:19:08,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:19:08,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:19:08,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:19:08,823 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:19:08,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:19:08,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:19:08,823 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:19:08,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:19:08,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:19:08,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:19:08,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 [2022-12-14 10:19:08,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:19:09,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:19:09,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:19:09,018 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:19:09,018 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:19:09,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2022-12-14 10:19:11,633 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:19:11,829 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:19:11,830 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2022-12-14 10:19:11,840 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/data/5b1e0811b/4e08ae2335864fc1b975cadca6ae2b13/FLAGe49eb0d90 [2022-12-14 10:19:11,850 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/data/5b1e0811b/4e08ae2335864fc1b975cadca6ae2b13 [2022-12-14 10:19:11,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:19:11,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:19:11,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:19:11,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:19:11,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:19:11,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:19:11" (1/1) ... [2022-12-14 10:19:11,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c193c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:11, skipping insertion in model container [2022-12-14 10:19:11,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:19:11" (1/1) ... [2022-12-14 10:19:11,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:19:11,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:19:12,153 WARN L237 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_7798febb-4a35-426e-829c-77bbe59c10c4/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i[33021,33034] [2022-12-14 10:19:12,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:19:12,233 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:19:12,254 WARN L237 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_7798febb-4a35-426e-829c-77bbe59c10c4/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i[33021,33034] [2022-12-14 10:19:12,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:19:12,324 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:19:12,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12 WrapperNode [2022-12-14 10:19:12,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:19:12,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:19:12,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:19:12,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:19:12,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12" (1/1) ... [2022-12-14 10:19:12,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12" (1/1) ... [2022-12-14 10:19:12,387 INFO L138 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1145 [2022-12-14 10:19:12,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:19:12,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:19:12,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:19:12,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:19:12,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12" (1/1) ... [2022-12-14 10:19:12,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12" (1/1) ... [2022-12-14 10:19:12,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12" (1/1) ... [2022-12-14 10:19:12,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12" (1/1) ... [2022-12-14 10:19:12,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12" (1/1) ... [2022-12-14 10:19:12,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12" (1/1) ... [2022-12-14 10:19:12,479 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12" (1/1) ... [2022-12-14 10:19:12,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12" (1/1) ... [2022-12-14 10:19:12,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:19:12,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:19:12,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:19:12,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:19:12,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12" (1/1) ... [2022-12-14 10:19:12,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:19:12,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:19:12,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:19:12,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:19:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:19:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 10:19:12,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 10:19:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:19:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 10:19:12,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 10:19:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:19:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:19:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:19:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:19:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:19:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:19:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:19:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:19:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:19:12,718 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:19:12,719 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:19:14,273 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:19:14,594 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:19:14,594 INFO L300 CfgBuilder]: Removed 60 assume(true) statements. [2022-12-14 10:19:14,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:19:14 BoogieIcfgContainer [2022-12-14 10:19:14,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:19:14,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:19:14,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:19:14,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:19:14,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:19:11" (1/3) ... [2022-12-14 10:19:14,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e15520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:19:14, skipping insertion in model container [2022-12-14 10:19:14,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12" (2/3) ... [2022-12-14 10:19:14,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e15520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:19:14, skipping insertion in model container [2022-12-14 10:19:14,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:19:14" (3/3) ... [2022-12-14 10:19:14,603 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-1.i [2022-12-14 10:19:14,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:19:14,617 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 10:19:14,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:19:14,658 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@b8704c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:19:14,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 10:19:14,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 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) [2022-12-14 10:19:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 10:19:14,670 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:14,670 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:19:14,671 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:19:14,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:14,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1318725013, now seen corresponding path program 1 times [2022-12-14 10:19:14,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:14,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192551496] [2022-12-14 10:19:14,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:14,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:14,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:19:14,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:14,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192551496] [2022-12-14 10:19:14,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192551496] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:19:14,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:19:14,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:19:14,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041371702] [2022-12-14 10:19:14,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:19:14,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:19:14,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:19:14,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:19:14,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:19:14,853 INFO L87 Difference]: Start difference. First operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 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) [2022-12-14 10:19:16,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:19:18,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:19:20,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:19:20,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:19:20,286 INFO L93 Difference]: Finished difference Result 347 states and 628 transitions. [2022-12-14 10:19:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:19:20,294 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 [2022-12-14 10:19:20,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:19:20,301 INFO L225 Difference]: With dead ends: 347 [2022-12-14 10:19:20,301 INFO L226 Difference]: Without dead ends: 220 [2022-12-14 10:19:20,303 INFO L412 NwaCegarLoop]: 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 [2022-12-14 10:19:20,305 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 97 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:19:20,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 310 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 10:19:20,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-12-14 10:19:20,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-12-14 10:19:20,338 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) [2022-12-14 10:19:20,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-12-14 10:19:20,341 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-12-14 10:19:20,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:19:20,341 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-12-14 10:19:20,341 INFO L496 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) [2022-12-14 10:19:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-12-14 10:19:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 10:19:20,343 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:20,343 INFO L195 NwaCegarLoop]: 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] [2022-12-14 10:19:20,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:19:20,343 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:19:20,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:20,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1742694732, now seen corresponding path program 1 times [2022-12-14 10:19:20,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:20,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715866986] [2022-12-14 10:19:20,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:20,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:20,560 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:19:20,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1696864559] [2022-12-14 10:19:20,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:20,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:19:20,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:19:20,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:19:20,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 10:19:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:21,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:19:21,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:19:21,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:19:21,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:19:21,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:19:21,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:21,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715866986] [2022-12-14 10:19:21,576 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:19:21,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696864559] [2022-12-14 10:19:21,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696864559] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:19:21,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [899128230] [2022-12-14 10:19:21,592 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-12-14 10:19:21,592 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:19:21,595 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:19:21,599 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:19:21,599 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:19:21,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:21,725 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:21,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:21,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:19:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:21,750 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:19:21,751 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:21,791 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 10:19:21,791 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:21,805 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:21,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:21,824 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:22,072 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:22,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 10:19:22,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 10:19:22,171 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:19:22,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,207 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:19:22,207 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:22,235 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 10:19:22,236 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:22,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,251 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:22,283 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 10:19:22,283 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:22,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,299 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:22,595 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:22,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 10:19:22,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:22,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 10:19:22,696 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:22,730 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:19:37,668 WARN L233 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:19:37,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [899128230] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:19:37,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 10:19:37,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 10:19:37,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521957248] [2022-12-14 10:19:37,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:19:37,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 10:19:37,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:19:37,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 10:19:37,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 10:19:37,674 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) [2022-12-14 10:19:40,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:19:42,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:19:44,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:19:47,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:19:50,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:19:50,246 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-12-14 10:19:50,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 10:19:50,247 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 [2022-12-14 10:19:50,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:19:50,248 INFO L225 Difference]: With dead ends: 265 [2022-12-14 10:19:50,248 INFO L226 Difference]: Without dead ends: 140 [2022-12-14 10:19:50,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 10:19:50,249 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:19:50,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 466 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 215 Invalid, 3 Unknown, 0 Unchecked, 12.1s Time] [2022-12-14 10:19:50,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-12-14 10:19:50,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-12-14 10:19:50,260 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) [2022-12-14 10:19:50,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-12-14 10:19:50,261 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-12-14 10:19:50,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:19:50,261 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-12-14 10:19:50,261 INFO L496 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) [2022-12-14 10:19:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-12-14 10:19:50,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 10:19:50,262 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:50,263 INFO L195 NwaCegarLoop]: 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] [2022-12-14 10:19:50,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 10:19:50,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-14 10:19:50,465 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:19:50,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:50,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1270953821, now seen corresponding path program 1 times [2022-12-14 10:19:50,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:50,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256366866] [2022-12-14 10:19:50,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:50,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:50,640 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:19:50,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1530850424] [2022-12-14 10:19:50,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:50,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:19:50,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:19:50,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:19:50,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 10:19:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:51,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:19:51,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:19:51,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 10:19:51,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:19:51,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 10:19:51,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:51,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256366866] [2022-12-14 10:19:51,433 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:19:51,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530850424] [2022-12-14 10:19:51,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530850424] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:19:51,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [792007358] [2022-12-14 10:19:51,436 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 10:19:51,437 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:19:51,437 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:19:51,437 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:19:51,437 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:19:51,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,526 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:51,555 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 10:19:51,555 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:51,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,568 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:51,574 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:51,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:19:51,584 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:51,784 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:51,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 10:19:51,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 10:19:51,877 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:51,905 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:51,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 10:19:51,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:51,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 10:19:52,023 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,062 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,115 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 10:19:52,115 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,140 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,160 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 10:19:52,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,415 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,436 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 10:19:52,436 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,447 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:19:52,454 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,461 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,695 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,707 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 10:19:52,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 10:19:52,812 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 10:19:52,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:52,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 10:19:52,912 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:52,956 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:53,007 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 10:19:53,007 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:53,020 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:53,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:19:53,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 10:19:53,090 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:19:53,314 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 10:19:53,382 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:20:08,227 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:20:19,019 WARN L233 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:20:30,994 WARN L233 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:20:42,873 WARN L233 SmtUtils]: Spent 5.72s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:20:43,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [792007358] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:43,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 10:20:43,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 10:20:43,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591839959] [2022-12-14 10:20:43,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:43,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 10:20:43,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:43,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 10:20:43,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 10:20:43,470 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) [2022-12-14 10:20:45,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:20:48,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:20:50,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:20:52,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:20:54,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:20:56,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:20:58,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:21:00,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:21:02,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:21:10,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:10,170 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-12-14 10:21:10,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 10:21:10,170 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 [2022-12-14 10:21:10,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:10,171 INFO L225 Difference]: With dead ends: 267 [2022-12-14 10:21:10,171 INFO L226 Difference]: Without dead ends: 142 [2022-12-14 10:21:10,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 50.1s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 10:21:10,172 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:10,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 641 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 391 Invalid, 9 Unknown, 0 Unchecked, 26.7s Time] [2022-12-14 10:21:10,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-14 10:21:10,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-12-14 10:21:10,187 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) [2022-12-14 10:21:10,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-12-14 10:21:10,188 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-12-14 10:21:10,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:10,188 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-12-14 10:21:10,188 INFO L496 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) [2022-12-14 10:21:10,188 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-12-14 10:21:10,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 10:21:10,189 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:10,189 INFO L195 NwaCegarLoop]: 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] [2022-12-14 10:21:10,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 10:21:10,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:21:10,391 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:21:10,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:10,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1298103213, now seen corresponding path program 1 times [2022-12-14 10:21:10,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:10,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705533923] [2022-12-14 10:21:10,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:10,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:10,538 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:21:10,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2088947961] [2022-12-14 10:21:10,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:10,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:21:10,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:21:10,539 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:21:10,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7798febb-4a35-426e-829c-77bbe59c10c4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 10:21:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:11,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:21:11,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:21:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 10:21:11,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:21:11,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 10:21:11,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:11,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705533923] [2022-12-14 10:21:11,504 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:21:11,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088947961] [2022-12-14 10:21:11,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088947961] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:21:11,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [284675678] [2022-12-14 10:21:11,508 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 10:21:11,508 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:21:11,508 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:21:11,509 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:21:11,509 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:21:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:21:11,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,566 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:21:11,566 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:11,598 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 10:21:11,599 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:11,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,613 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:11,620 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:11,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,631 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:11,795 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:11,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 10:21:11,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 10:21:11,874 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:11,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 10:21:11,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:11,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 10:21:11,969 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:11,977 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:12,005 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:12,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 10:21:12,053 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:12,103 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 10:21:12,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 10:21:12,157 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 10:21:12,157 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:12,247 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:12,251 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:12,256 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:12,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 10:21:12,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 10:21:12,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 10:21:12,295 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:12,299 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:12,304 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:12,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 10:21:12,374 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:12,387 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:12,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:21:12,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 10:21:12,512 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:12,526 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 10:21:13,053 INFO L217 Elim1Store]: Index analysis took 345 ms [2022-12-14 10:21:15,324 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 10:21:15,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-12-14 10:21:15,873 INFO L217 Elim1Store]: Index analysis took 456 ms [2022-12-14 10:21:18,329 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 10:21:18,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-12-14 10:21:25,835 WARN L233 SmtUtils]: Spent 7.47s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 10:21:25,836 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 10:21:25,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-12-14 10:21:43,502 WARN L233 SmtUtils]: Spent 17.57s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 10:21:43,502 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 10:21:43,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-12-14 10:21:44,270 INFO L217 Elim1Store]: Index analysis took 623 ms [2022-12-14 10:21:58,843 WARN L233 SmtUtils]: Spent 14.16s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 10:21:58,843 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 10:21:58,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 10:22:00,008 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 10:22:00,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-12-14 10:22:00,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 10:22:00,393 INFO L217 Elim1Store]: Index analysis took 216 ms [2022-12-14 10:22:01,378 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:22:01,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-12-14 10:22:04,826 INFO L217 Elim1Store]: Index analysis took 382 ms