./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 --- 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-38b53e6 [2022-11-25 23:28:34,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:28:34,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:28:34,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:28:34,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:28:34,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:28:34,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:28:34,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:28:34,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:28:34,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:28:34,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:28:34,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:28:34,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:28:34,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:28:34,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:28:34,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:28:34,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:28:34,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:28:34,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:28:34,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:28:34,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:28:34,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:28:34,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:28:34,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:28:34,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:28:34,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:28:34,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:28:34,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:28:34,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:28:34,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:28:34,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:28:34,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:28:34,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:28:34,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:28:34,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:28:34,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:28:34,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:28:34,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:28:34,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:28:34,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:28:34,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:28:34,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:28:34,817 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:28:34,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:28:34,818 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:28:34,819 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:28:34,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:28:34,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:28:34,821 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:28:34,821 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:28:34,822 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:28:34,822 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:28:34,823 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:28:34,824 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:28:34,824 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:28:34,824 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:28:34,825 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:28:34,825 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:28:34,825 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:28:34,826 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:28:34,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:28:34,827 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:28:34,827 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:28:34,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:28:34,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:28:34,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:28:34,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:28:34,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:28:34,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:28:34,830 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:28:34,830 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:28:34,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:28:34,831 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:28:34,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:28:34,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:28:34,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:28:34,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:28:34,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:28:34,833 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:28:34,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:28:34,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:28:34,834 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:28:34,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:28:34,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:28:34,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:28:34,835 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_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 [2022-11-25 23:28:35,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:28:35,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:28:35,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:28:35,204 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:28:35,206 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:28:35,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2022-11-25 23:28:38,325 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:28:38,697 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:28:38,698 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2022-11-25 23:28:38,720 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/data/7e88da27e/40b654aadb98470987ac019fd1240af7/FLAGaee962851 [2022-11-25 23:28:38,739 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/data/7e88da27e/40b654aadb98470987ac019fd1240af7 [2022-11-25 23:28:38,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:28:38,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:28:38,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:28:38,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:28:38,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:28:38,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:28:38" (1/1) ... [2022-11-25 23:28:38,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618b6cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:38, skipping insertion in model container [2022-11-25 23:28:38,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:28:38" (1/1) ... [2022-11-25 23:28:38,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:28:38,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:28:39,292 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_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2022-11-25 23:28:39,397 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:28:39,409 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_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2022-11-25 23:28:39,411 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_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2022-11-25 23:28:39,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:28:39,431 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:28:39,468 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_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2022-11-25 23:28:39,607 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:28:39,619 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_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2022-11-25 23:28:39,636 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_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2022-11-25 23:28:39,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:28:39,711 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:28:39,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:39 WrapperNode [2022-11-25 23:28:39,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:28:39,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:28:39,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:28:39,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:28:39,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:39" (1/1) ... [2022-11-25 23:28:39,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:39" (1/1) ... [2022-11-25 23:28:39,885 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 998 [2022-11-25 23:28:39,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:28:39,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:28:39,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:28:39,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:28:39,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:39" (1/1) ... [2022-11-25 23:28:39,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:39" (1/1) ... [2022-11-25 23:28:39,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:39" (1/1) ... [2022-11-25 23:28:39,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:39" (1/1) ... [2022-11-25 23:28:40,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:39" (1/1) ... [2022-11-25 23:28:40,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:39" (1/1) ... [2022-11-25 23:28:40,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:39" (1/1) ... [2022-11-25 23:28:40,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:39" (1/1) ... [2022-11-25 23:28:40,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:28:40,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:28:40,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:28:40,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:28:40,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:39" (1/1) ... [2022-11-25 23:28:40,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:28:40,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:28:40,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:28:40,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:28:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:28:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:28:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:28:40,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:28:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:28:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:28:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:28:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:28:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:28:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:28:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:28:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:28:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:28:40,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:28:40,489 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:28:40,495 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:28:42,244 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:28:42,707 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:28:42,707 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-25 23:28:42,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:28:42 BoogieIcfgContainer [2022-11-25 23:28:42,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:28:42,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:28:42,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:28:42,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:28:42,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:28:38" (1/3) ... [2022-11-25 23:28:42,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7840bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:28:42, skipping insertion in model container [2022-11-25 23:28:42,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:39" (2/3) ... [2022-11-25 23:28:42,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7840bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:28:42, skipping insertion in model container [2022-11-25 23:28:42,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:28:42" (3/3) ... [2022-11-25 23:28:42,727 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-1.i [2022-11-25 23:28:42,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:28:42,747 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 23:28:42,802 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:28:42,809 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;@56b1764f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:28:42,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-25 23:28:42,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:28:42,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:28:42,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:28:42,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:28:42,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:28:42,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:28:42,830 INFO L85 PathProgramCache]: Analyzing trace with hash 24408931, now seen corresponding path program 1 times [2022-11-25 23:28:42,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:28:42,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618649824] [2022-11-25 23:28:42,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:42,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:28:42,965 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:28:42,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [401963890] [2022-11-25 23:28:42,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:42,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:28:42,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:28:42,970 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:28:42,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:28:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:43,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 23:28:43,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:28:43,286 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 11 treesize of output 7 [2022-11-25 23:28:43,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:28:43,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:43,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 10 [2022-11-25 23:28:43,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:28:43,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:28:43,396 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:43,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618649824] [2022-11-25 23:28:43,397 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:28:43,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401963890] [2022-11-25 23:28:43,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401963890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:28:43,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:28:43,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:28:43,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779082578] [2022-11-25 23:28:43,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:28:43,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:28:43,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:28:43,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:28:43,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:28:43,461 INFO L87 Difference]: Start difference. First operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:28:44,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:28:44,866 INFO L93 Difference]: Finished difference Result 285 states and 496 transitions. [2022-11-25 23:28:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:28:44,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-25 23:28:44,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:28:44,882 INFO L225 Difference]: With dead ends: 285 [2022-11-25 23:28:44,883 INFO L226 Difference]: Without dead ends: 165 [2022-11-25 23:28:44,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:28:44,891 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 58 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:28:44,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 292 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 23:28:44,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-25 23:28:44,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2022-11-25 23:28:44,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:28:44,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2022-11-25 23:28:44,953 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2022-11-25 23:28:44,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:28:44,953 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2022-11-25 23:28:44,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:28:44,954 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2022-11-25 23:28:44,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 23:28:44,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:28:44,958 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] [2022-11-25 23:28:44,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 23:28:45,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 23:28:45,169 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:28:45,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:28:45,169 INFO L85 PathProgramCache]: Analyzing trace with hash 2001327283, now seen corresponding path program 1 times [2022-11-25 23:28:45,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:28:45,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996048239] [2022-11-25 23:28:45,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:45,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:28:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:28:45,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:45,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996048239] [2022-11-25 23:28:45,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996048239] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:28:45,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:28:45,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:28:45,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251405089] [2022-11-25 23:28:45,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:28:45,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:28:45,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:28:45,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:28:45,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:28:45,782 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:28:48,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:28:48,873 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2022-11-25 23:28:48,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:28:48,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-25 23:28:48,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:28:48,879 INFO L225 Difference]: With dead ends: 211 [2022-11-25 23:28:48,880 INFO L226 Difference]: Without dead ends: 159 [2022-11-25 23:28:48,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:28:48,882 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:28:48,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 296 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-25 23:28:48,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-25 23:28:48,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2022-11-25 23:28:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:28:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2022-11-25 23:28:48,895 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2022-11-25 23:28:48,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:28:48,896 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2022-11-25 23:28:48,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:28:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2022-11-25 23:28:48,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 23:28:48,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:28:48,898 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] [2022-11-25 23:28:48,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:28:48,898 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:28:48,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:28:48,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1034865974, now seen corresponding path program 1 times [2022-11-25 23:28:48,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:28:48,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242306] [2022-11-25 23:28:48,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:48,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:28:49,076 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:28:49,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1069254616] [2022-11-25 23:28:49,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:49,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:28:49,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:28:49,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:28:49,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:28:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:49,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:28:49,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:28:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:28:50,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:28:50,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:50,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242306] [2022-11-25 23:28:50,040 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:28:50,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069254616] [2022-11-25 23:28:50,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069254616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:28:50,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:28:50,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:28:50,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182573097] [2022-11-25 23:28:50,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:28:50,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:28:50,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:28:50,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:28:50,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:28:50,044 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:28:51,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:28:51,013 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2022-11-25 23:28:51,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:28:51,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-25 23:28:51,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:28:51,020 INFO L225 Difference]: With dead ends: 277 [2022-11-25 23:28:51,020 INFO L226 Difference]: Without dead ends: 165 [2022-11-25 23:28:51,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:28:51,022 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:28:51,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 216 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 23:28:51,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-25 23:28:51,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2022-11-25 23:28:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:28:51,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2022-11-25 23:28:51,038 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2022-11-25 23:28:51,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:28:51,039 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2022-11-25 23:28:51,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:28:51,039 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2022-11-25 23:28:51,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-25 23:28:51,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:28:51,041 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] [2022-11-25 23:28:51,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:28:51,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:28:51,251 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:28:51,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:28:51,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1866068418, now seen corresponding path program 1 times [2022-11-25 23:28:51,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:28:51,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999313965] [2022-11-25 23:28:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:51,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:28:51,321 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:28:51,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2098222044] [2022-11-25 23:28:51,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:51,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:28:51,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:28:51,323 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:28:51,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:29:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:34,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:29:34,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:29:34,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:29:34,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:29:34,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:34,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999313965] [2022-11-25 23:29:34,803 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:29:34,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098222044] [2022-11-25 23:29:34,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098222044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:29:34,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:29:34,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:29:34,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452907000] [2022-11-25 23:29:34,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:29:34,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:29:34,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:34,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:29:34,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:29:34,807 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:29:35,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:35,980 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2022-11-25 23:29:35,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:29:35,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-11-25 23:29:35,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:35,987 INFO L225 Difference]: With dead ends: 308 [2022-11-25 23:29:35,987 INFO L226 Difference]: Without dead ends: 164 [2022-11-25 23:29:35,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:29:35,989 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:35,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 338 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 23:29:35,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-11-25 23:29:36,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2022-11-25 23:29:36,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-25 23:29:36,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2022-11-25 23:29:36,008 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2022-11-25 23:29:36,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:36,009 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2022-11-25 23:29:36,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:29:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2022-11-25 23:29:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 23:29:36,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:36,011 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:29:36,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:29:36,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:29:36,234 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:29:36,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:36,234 INFO L85 PathProgramCache]: Analyzing trace with hash -826585736, now seen corresponding path program 1 times [2022-11-25 23:29:36,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:36,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507729062] [2022-11-25 23:29:36,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:36,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:36,309 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:29:36,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [672192029] [2022-11-25 23:29:36,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:36,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:29:36,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:29:36,311 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:29:36,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1c395f-eb8d-42de-bc2c-893f1e2b8b59/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:29:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:41,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 23:29:41,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:29:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:29:42,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:29:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:29:42,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:42,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507729062] [2022-11-25 23:29:42,208 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:29:42,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672192029] [2022-11-25 23:29:42,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672192029] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:29:42,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1979568109] [2022-11-25 23:29:42,239 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-25 23:29:42,239 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:29:42,243 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:29:42,249 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:29:42,250 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:29:42,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:29:42,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:42,385 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:29:42,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-25 23:29:42,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:42,433 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:29:42,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-25 23:29:42,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:42,455 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 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:29:42,481 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 15 treesize of output 1 [2022-11-25 23:29:42,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:29:42,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:42,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:42,597 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:29:42,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 23:29:42,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:29:42,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:42,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:42,630 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 22 treesize of output 30 [2022-11-25 23:29:42,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:42,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:42,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 37 treesize of output 38 [2022-11-25 23:29:42,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:42,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:42,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 84 treesize of output 64 [2022-11-25 23:29:42,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 23:29:42,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 23:29:43,273 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 [2022-11-25 23:29:43,299 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 [2022-11-25 23:29:43,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-25 23:29:43,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9896993 treesize of output 5376298 [2022-11-25 23:29:43,556 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 [2022-11-25 23:29:43,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:29:43,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:29:43,733 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 [2022-11-25 23:29:43,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:29:43,887 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 [2022-11-25 23:29:43,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,968 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 23:29:43,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-25 23:29:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:43,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,068 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:29:44,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-25 23:29:44,102 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 [2022-11-25 23:29:44,326 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 [2022-11-25 23:29:44,332 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 [2022-11-25 23:29:44,338 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 [2022-11-25 23:29:44,369 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 [2022-11-25 23:29:44,379 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 [2022-11-25 23:29:44,389 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 [2022-11-25 23:29:44,415 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 [2022-11-25 23:29:44,422 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 [2022-11-25 23:29:44,429 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 [2022-11-25 23:29:44,494 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 46 treesize of output 16 [2022-11-25 23:29:44,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:29:44,577 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 [2022-11-25 23:29:44,797 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 46 treesize of output 16 [2022-11-25 23:29:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:29:44,879 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 [2022-11-25 23:29:46,135 INFO L217 Elim1Store]: Index analysis took 776 ms [2022-11-25 23:29:49,398 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-25 23:29:49,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519766 treesize of output 9519770 [2022-11-25 23:29:55,734 INFO L217 Elim1Store]: Index analysis took 6151 ms [2022-11-25 23:29:59,352 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-25 23:29:59,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519771 treesize of output 9519774 [2022-11-25 23:30:10,517 WARN L233 SmtUtils]: Spent 11.09s 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) [2022-11-25 23:30:10,518 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 23:30:10,518 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 [2022-11-25 23:30:10,769 INFO L217 Elim1Store]: Index analysis took 115 ms [2022-11-25 23:30:32,926 WARN L233 SmtUtils]: Spent 22.15s 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) [2022-11-25 23:30:32,928 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 23:30:32,929 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 [2022-11-25 23:30:33,924 INFO L217 Elim1Store]: Index analysis took 671 ms [2022-11-25 23:30:54,479 WARN L233 SmtUtils]: Spent 19.87s 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) [2022-11-25 23:30:54,481 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-25 23:30:54,481 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 [2022-11-25 23:30:56,423 INFO L217 Elim1Store]: Index analysis took 160 ms [2022-11-25 23:30:57,135 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-25 23:30:57,136 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 [2022-11-25 23:30:57,265 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 [2022-11-25 23:30:58,098 INFO L217 Elim1Store]: Index analysis took 587 ms [2022-11-25 23:30:59,559 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:30:59,559 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 [2022-11-25 23:31:05,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:05,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-25 23:31:05,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:05,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:05,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 23:31:05,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:05,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 23:31:05,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:05,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:05,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 23:31:05,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:05,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 23:31:07,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:07,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 23:31:07,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:07,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-25 23:31:24,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:24,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:24,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:24,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:24,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:24,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:24,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:24,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:24,651 INFO L217 Elim1Store]: Index analysis took 295 ms [2022-11-25 23:31:24,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:24,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 933 treesize of output 2068 [2022-11-25 23:31:24,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:24,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:24,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 132 [2022-11-25 23:31:25,203 INFO L217 Elim1Store]: Index analysis took 116 ms [2022-11-25 23:31:25,320 INFO L321 Elim1Store]: treesize reduction 2407, result has 0.0 percent of original size [2022-11-25 23:31:25,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 17 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 19 new quantified variables, introduced 35 case distinctions, treesize of input 6321 treesize of output 50615 [2022-11-25 23:31:25,547 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 43 treesize of output 5 [2022-11-25 23:31:25,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 127 [2022-11-25 23:31:25,938 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:31:26,050 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:31:59,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:00,132 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:32:01,509 INFO L217 Elim1Store]: Index analysis took 350 ms