./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh --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 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:42:57,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:42:57,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:42:57,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:42:57,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:42:57,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:42:57,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:42:57,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:42:57,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:42:57,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:42:57,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:42:57,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:42:57,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:42:57,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:42:57,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:42:57,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:42:57,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:42:57,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:42:57,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:42:57,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:42:57,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:42:57,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:42:57,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:42:57,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:42:57,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:42:57,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:42:57,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:42:57,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:42:57,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:42:57,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:42:57,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:42:57,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:42:57,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:42:57,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:42:57,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:42:57,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:42:57,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:42:57,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:42:57,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:42:57,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:42:57,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:42:57,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 15:42:57,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:42:57,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:42:57,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:42:57,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:42:57,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:42:57,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:42:57,861 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:42:57,861 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:42:57,861 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:42:57,862 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:42:57,862 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:42:57,862 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:42:57,862 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:42:57,862 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:42:57,862 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:42:57,863 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:42:57,863 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:42:57,863 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:42:57,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:42:57,864 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:42:57,864 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:42:57,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:42:57,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:42:57,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:42:57,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:42:57,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:42:57,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:42:57,865 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 15:42:57,865 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:42:57,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:42:57,865 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:42:57,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:42:57,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:42:57,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:42:57,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:42:57,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:42:57,867 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:42:57,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:42:57,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:42:57,867 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:42:57,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:42:57,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:42:57,867 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:42:57,868 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_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2022-12-14 15:42:58,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:42:58,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:42:58,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:42:58,089 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:42:58,089 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:42:58,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2022-12-14 15:43:00,711 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:43:00,955 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:43:00,956 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2022-12-14 15:43:00,969 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/data/c249098ed/8f67a8cea5914b51aa2638c4417914a5/FLAGbe7ebd1a6 [2022-12-14 15:43:00,979 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/data/c249098ed/8f67a8cea5914b51aa2638c4417914a5 [2022-12-14 15:43:00,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:43:00,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:43:00,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:43:00,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:43:00,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:43:00,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:43:00" (1/1) ... [2022-12-14 15:43:00,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cc90fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:00, skipping insertion in model container [2022-12-14 15:43:00,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:43:00" (1/1) ... [2022-12-14 15:43:00,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:43:01,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:43:01,354 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_68f61e95-2dea-48f7-88fa-0f431546730d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i[33021,33034] [2022-12-14 15:43:01,432 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:01,440 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_68f61e95-2dea-48f7-88fa-0f431546730d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i[45234,45247] [2022-12-14 15:43:01,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:43:01,456 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:43:01,488 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_68f61e95-2dea-48f7-88fa-0f431546730d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i[33021,33034] [2022-12-14 15:43:01,528 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:01,535 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_68f61e95-2dea-48f7-88fa-0f431546730d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i[45234,45247] [2022-12-14 15:43:01,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:43:01,567 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:43:01,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:01 WrapperNode [2022-12-14 15:43:01,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:43:01,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:43:01,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:43:01,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:43:01,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:01" (1/1) ... [2022-12-14 15:43:01,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:01" (1/1) ... [2022-12-14 15:43:01,644 INFO L138 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 998 [2022-12-14 15:43:01,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:43:01,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:43:01,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:43:01,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:43:01,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:01" (1/1) ... [2022-12-14 15:43:01,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:01" (1/1) ... [2022-12-14 15:43:01,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:01" (1/1) ... [2022-12-14 15:43:01,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:01" (1/1) ... [2022-12-14 15:43:01,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:01" (1/1) ... [2022-12-14 15:43:01,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:01" (1/1) ... [2022-12-14 15:43:01,705 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:01" (1/1) ... [2022-12-14 15:43:01,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:01" (1/1) ... [2022-12-14 15:43:01,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:43:01,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:43:01,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:43:01,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:43:01,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:01" (1/1) ... [2022-12-14 15:43:01,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:43:01,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:43:01,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:43:01,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:43:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:43:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 15:43:01,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 15:43:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:43:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:43:01,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:43:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2022-12-14 15:43:01,781 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2022-12-14 15:43:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:43:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:43:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:43:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:43:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 15:43:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:43:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:43:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:43:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:43:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:43:01,927 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:43:01,929 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:43:02,871 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:43:03,140 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:43:03,140 INFO L300 CfgBuilder]: Removed 62 assume(true) statements. [2022-12-14 15:43:03,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:43:03 BoogieIcfgContainer [2022-12-14 15:43:03,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:43:03,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:43:03,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:43:03,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:43:03,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:43:00" (1/3) ... [2022-12-14 15:43:03,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1495d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:43:03, skipping insertion in model container [2022-12-14 15:43:03,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:01" (2/3) ... [2022-12-14 15:43:03,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1495d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:43:03, skipping insertion in model container [2022-12-14 15:43:03,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:43:03" (3/3) ... [2022-12-14 15:43:03,148 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-1.i [2022-12-14 15:43:03,162 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:43:03,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-14 15:43:03,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:43:03,204 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;@32270aaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:43:03,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 15:43:03,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-12-14 15:43:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 15:43:03,212 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:03,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 15:43:03,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 15:43:03,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:03,217 INFO L85 PathProgramCache]: Analyzing trace with hash 28438595, now seen corresponding path program 1 times [2022-12-14 15:43:03,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:03,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353060180] [2022-12-14 15:43:03,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:03,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:03,314 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:43:03,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [857767882] [2022-12-14 15:43:03,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:03,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:43:03,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:43:03,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:43:03,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:43:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:03,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 15:43:03,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:43:03,519 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 [2022-12-14 15:43:03,528 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 [2022-12-14 15:43:03,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:03,563 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 15 treesize of output 7 [2022-12-14 15:43:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:43:03,571 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:43:03,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:03,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353060180] [2022-12-14 15:43:03,572 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:43:03,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857767882] [2022-12-14 15:43:03,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857767882] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:03,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:43:03,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:43:03,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727470749] [2022-12-14 15:43:03,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:03,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:43:03,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:03,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:43:03,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:43:03,611 INFO L87 Difference]: Start difference. First operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) 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) [2022-12-14 15:43:05,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:43:05,686 INFO L93 Difference]: Finished difference Result 368 states and 636 transitions. [2022-12-14 15:43:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:43:05,688 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 [2022-12-14 15:43:05,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:43:05,697 INFO L225 Difference]: With dead ends: 368 [2022-12-14 15:43:05,697 INFO L226 Difference]: Without dead ends: 208 [2022-12-14 15:43:05,700 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 [2022-12-14 15:43:05,703 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 57 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:43:05,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 499 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 15:43:05,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-12-14 15:43:05,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 160. [2022-12-14 15:43:05,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-12-14 15:43:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2022-12-14 15:43:05,748 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2022-12-14 15:43:05,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:43:05,749 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2022-12-14 15:43:05,749 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) [2022-12-14 15:43:05,749 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2022-12-14 15:43:05,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 15:43:05,751 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:05,751 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] [2022-12-14 15:43:05,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:43:05,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 15:43:05,954 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 15:43:05,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:05,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1795405831, now seen corresponding path program 1 times [2022-12-14 15:43:05,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:05,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916600572] [2022-12-14 15:43:05,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:05,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:43:06,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:06,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916600572] [2022-12-14 15:43:06,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916600572] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:06,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:43:06,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:43:06,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841422870] [2022-12-14 15:43:06,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:06,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:43:06,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:06,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:43:06,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:43:06,318 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:43:07,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:43:07,792 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2022-12-14 15:43:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:43:07,792 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-12-14 15:43:07,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:43:07,793 INFO L225 Difference]: With dead ends: 297 [2022-12-14 15:43:07,793 INFO L226 Difference]: Without dead ends: 204 [2022-12-14 15:43:07,794 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 [2022-12-14 15:43:07,794 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 51 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:43:07,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 504 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 15:43:07,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-12-14 15:43:07,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2022-12-14 15:43:07,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-12-14 15:43:07,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2022-12-14 15:43:07,805 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2022-12-14 15:43:07,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:43:07,806 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2022-12-14 15:43:07,806 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:43:07,806 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2022-12-14 15:43:07,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 15:43:07,806 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:07,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:43:07,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:43:07,807 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 15:43:07,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:07,807 INFO L85 PathProgramCache]: Analyzing trace with hash 421381030, now seen corresponding path program 1 times [2022-12-14 15:43:07,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:07,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329910127] [2022-12-14 15:43:07,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:07,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:07,889 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:43:07,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1103305768] [2022-12-14 15:43:07,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:07,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:43:07,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:43:07,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:43:07,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:43:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:08,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:43:08,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:43:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:43:08,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:43:08,399 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:08,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329910127] [2022-12-14 15:43:08,400 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:43:08,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103305768] [2022-12-14 15:43:08,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103305768] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:08,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:43:08,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:43:08,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653819327] [2022-12-14 15:43:08,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:08,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:43:08,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:08,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:43:08,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:43:08,401 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:43:10,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:43:10,192 INFO L93 Difference]: Finished difference Result 160 states and 208 transitions. [2022-12-14 15:43:10,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:43:10,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-12-14 15:43:10,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:43:10,201 INFO L225 Difference]: With dead ends: 160 [2022-12-14 15:43:10,201 INFO L226 Difference]: Without dead ends: 159 [2022-12-14 15:43:10,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:43:10,202 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 192 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:43:10,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 288 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 15:43:10,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-14 15:43:10,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2022-12-14 15:43:10,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 129 states have (on average 1.2945736434108528) internal successors, (167), 150 states have internal predecessors, (167), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-12-14 15:43:10,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 207 transitions. [2022-12-14 15:43:10,217 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 207 transitions. Word has length 30 [2022-12-14 15:43:10,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:43:10,217 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 207 transitions. [2022-12-14 15:43:10,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:43:10,217 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 207 transitions. [2022-12-14 15:43:10,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 15:43:10,218 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:10,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:43:10,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 15:43:10,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:43:10,421 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 15:43:10,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:10,422 INFO L85 PathProgramCache]: Analyzing trace with hash 177910084, now seen corresponding path program 1 times [2022-12-14 15:43:10,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:10,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385170421] [2022-12-14 15:43:10,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:10,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:10,528 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:43:10,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [416263010] [2022-12-14 15:43:10,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:10,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:43:10,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:43:10,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:43:10,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 15:43:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:11,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:43:11,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:43:11,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:43:11,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:43:11,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:11,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385170421] [2022-12-14 15:43:11,133 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:43:11,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416263010] [2022-12-14 15:43:11,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416263010] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:11,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:43:11,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:43:11,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931907874] [2022-12-14 15:43:11,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:11,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:43:11,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:11,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:43:11,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:43:11,136 INFO L87 Difference]: Start difference. First operand 159 states and 207 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:43:13,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:43:13,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:43:13,735 INFO L93 Difference]: Finished difference Result 245 states and 332 transitions. [2022-12-14 15:43:13,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:43:13,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-12-14 15:43:13,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:43:13,743 INFO L225 Difference]: With dead ends: 245 [2022-12-14 15:43:13,743 INFO L226 Difference]: Without dead ends: 244 [2022-12-14 15:43:13,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:43:13,744 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 69 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:43:13,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 543 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 15:43:13,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-12-14 15:43:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 213. [2022-12-14 15:43:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 178 states have (on average 1.247191011235955) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2022-12-14 15:43:13,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2022-12-14 15:43:13,756 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 31 [2022-12-14 15:43:13,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:43:13,756 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2022-12-14 15:43:13,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:43:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2022-12-14 15:43:13,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 15:43:13,757 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:13,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:43:13,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 15:43:13,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:43:13,958 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 15:43:13,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:13,958 INFO L85 PathProgramCache]: Analyzing trace with hash 152449389, now seen corresponding path program 1 times [2022-12-14 15:43:13,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:13,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402247200] [2022-12-14 15:43:13,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:13,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:14,042 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:43:14,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1551117687] [2022-12-14 15:43:14,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:14,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:43:14,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:43:14,043 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:43:14,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 15:43:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:14,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:43:14,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:43:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:43:14,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:43:14,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:14,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402247200] [2022-12-14 15:43:14,638 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:43:14,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551117687] [2022-12-14 15:43:14,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551117687] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:14,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:43:14,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:43:14,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100747350] [2022-12-14 15:43:14,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:14,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:43:14,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:14,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:43:14,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:43:14,640 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 15:43:15,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:43:15,616 INFO L93 Difference]: Finished difference Result 434 states and 549 transitions. [2022-12-14 15:43:15,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:43:15,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2022-12-14 15:43:15,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:43:15,618 INFO L225 Difference]: With dead ends: 434 [2022-12-14 15:43:15,618 INFO L226 Difference]: Without dead ends: 248 [2022-12-14 15:43:15,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:43:15,620 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:43:15,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 355 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 15:43:15,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-12-14 15:43:15,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 245. [2022-12-14 15:43:15,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 209 states have (on average 1.229665071770335) internal successors, (257), 230 states have internal predecessors, (257), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2022-12-14 15:43:15,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 307 transitions. [2022-12-14 15:43:15,636 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 307 transitions. Word has length 39 [2022-12-14 15:43:15,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:43:15,636 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 307 transitions. [2022-12-14 15:43:15,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 15:43:15,636 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 307 transitions. [2022-12-14 15:43:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 15:43:15,638 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:15,638 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:43:15,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 15:43:15,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:43:15,839 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 15:43:15,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:15,841 INFO L85 PathProgramCache]: Analyzing trace with hash 841650105, now seen corresponding path program 1 times [2022-12-14 15:43:15,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:15,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379397230] [2022-12-14 15:43:15,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:15,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:15,922 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:43:15,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1519617819] [2022-12-14 15:43:15,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:15,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:43:15,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:43:15,923 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:43:15,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 15:43:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:38,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 15:43:38,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:43:38,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:43:38,207 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:43:38,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:38,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379397230] [2022-12-14 15:43:38,208 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:43:38,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519617819] [2022-12-14 15:43:38,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519617819] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:38,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:43:38,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:43:38,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206833774] [2022-12-14 15:43:38,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:38,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:43:38,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:38,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:43:38,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:43:38,210 INFO L87 Difference]: Start difference. First operand 245 states and 307 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 15:43:39,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:43:39,081 INFO L93 Difference]: Finished difference Result 473 states and 601 transitions. [2022-12-14 15:43:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:43:39,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2022-12-14 15:43:39,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:43:39,086 INFO L225 Difference]: With dead ends: 473 [2022-12-14 15:43:39,086 INFO L226 Difference]: Without dead ends: 249 [2022-12-14 15:43:39,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:43:39,087 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:43:39,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 545 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 15:43:39,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-12-14 15:43:39,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-12-14 15:43:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 211 states have (on average 1.2369668246445498) internal successors, (261), 234 states have internal predecessors, (261), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2022-12-14 15:43:39,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 313 transitions. [2022-12-14 15:43:39,097 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 313 transitions. Word has length 52 [2022-12-14 15:43:39,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:43:39,097 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 313 transitions. [2022-12-14 15:43:39,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 15:43:39,098 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 313 transitions. [2022-12-14 15:43:39,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 15:43:39,098 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:39,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:43:39,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 15:43:39,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:43:39,300 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 15:43:39,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:39,301 INFO L85 PathProgramCache]: Analyzing trace with hash 492968789, now seen corresponding path program 1 times [2022-12-14 15:43:39,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:39,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717758755] [2022-12-14 15:43:39,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:39,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:39,377 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:43:39,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [381686436] [2022-12-14 15:43:39,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:39,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:43:39,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:43:39,379 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:43:39,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f61e95-2dea-48f7-88fa-0f431546730d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 15:43:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:56,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 15:43:56,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:43:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 15:43:56,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:43:56,744 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 15:43:56,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:56,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717758755] [2022-12-14 15:43:56,745 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:43:56,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381686436] [2022-12-14 15:43:56,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381686436] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:43:56,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [698663961] [2022-12-14 15:43:56,760 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-12-14 15:43:56,760 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:43:56,762 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:43:56,766 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:43:56,766 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:43:56,809 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 [2022-12-14 15:43:56,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:56,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 15:43:56,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:56,835 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 15:43:56,836 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 [2022-12-14 15:43:56,844 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 [2022-12-14 15:43:56,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:56,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 15:43:56,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:56,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:56,889 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:43:56,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 15:43:56,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:56,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:56,923 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 15:43:56,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 15:43:56,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:56,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:56,958 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:43:56,959 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 [2022-12-14 15:43:56,968 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 [2022-12-14 15:43:56,975 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 [2022-12-14 15:43:57,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,004 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 [2022-12-14 15:43:57,018 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 [2022-12-14 15:43:57,026 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 [2022-12-14 15:43:57,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:43:57,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,613 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 [2022-12-14 15:43:57,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,652 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 8458577 treesize of output 4759834 [2022-12-14 15:43:57,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:43:57,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 15:43:57,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 15:43:57,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,771 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 [2022-12-14 15:43:57,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,808 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 [2022-12-14 15:43:57,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,900 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 [2022-12-14 15:43:57,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 15:43:57,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:57,989 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 15:43:57,990 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 [2022-12-14 15:43:58,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,057 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 15:43:58,057 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 [2022-12-14 15:43:58,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 15:43:58,216 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 [2022-12-14 15:43:58,220 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 [2022-12-14 15:43:58,223 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 13 treesize of output 9 [2022-12-14 15:43:58,261 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 15:43:58,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2022-12-14 15:43:58,285 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:43:58,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-12-14 15:43:58,306 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:43:58,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 15:43:58,338 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 14 treesize of output 10 [2022-12-14 15:43:58,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 15:43:58,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 15:43:58,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 15:43:58,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 15:43:58,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 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 [2022-12-14 15:43:58,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:58,612 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 [2022-12-14 15:43:58,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 15:43:58,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 15:43:59,319 INFO L217 Elim1Store]: Index analysis took 417 ms [2022-12-14 15:44:03,617 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-12-14 15:44:03,617 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 9519772 treesize of output 9519776 [2022-12-14 15:44:04,961 INFO L217 Elim1Store]: Index analysis took 1253 ms [2022-12-14 15:44:07,307 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-12-14 15:44:07,307 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 9519777 treesize of output 9519780 [2022-12-14 15:44:13,198 WARN L233 SmtUtils]: Spent 5.71s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:44:13,199 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 15:44:13,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 15:44:32,156 WARN L233 SmtUtils]: Spent 18.81s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:44:32,157 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 15:44:32,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-12-14 15:44:32,945 INFO L217 Elim1Store]: Index analysis took 600 ms [2022-12-14 15:44:51,130 WARN L233 SmtUtils]: Spent 17.82s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:44:51,131 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 15:44:51,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 15:44:51,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:44:51,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:44:51,877 INFO L217 Elim1Store]: Index analysis took 199 ms [2022-12-14 15:44:51,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 91 [2022-12-14 15:44:51,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:44:51,944 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 42 treesize of output 30 [2022-12-14 15:44:52,894 INFO L217 Elim1Store]: Index analysis took 791 ms [2022-12-14 15:44:53,799 INFO L321 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2022-12-14 15:44:53,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 108 [2022-12-14 15:44:53,961 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 15:44:53,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 15:44:54,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:54,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:54,117 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 42 treesize of output 30 [2022-12-14 15:44:54,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:44:54,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 15:44:54,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:54,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:54,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:44:54,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-12-14 15:44:55,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:55,358 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 17 treesize of output 11 [2022-12-14 15:45:27,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:27,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:45:27,651 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 [2022-12-14 15:45:27,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:27,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 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 [2022-12-14 15:45:27,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:27,745 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