./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:31:45,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:31:45,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:31:45,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:31:45,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:31:45,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:31:45,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:31:45,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:31:45,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:31:45,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:31:45,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:31:45,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:31:45,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:31:45,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:31:45,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:31:45,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:31:45,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:31:45,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:31:45,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:31:45,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:31:45,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:31:45,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:31:45,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:31:45,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:31:45,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:31:45,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:31:45,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:31:45,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:31:45,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:31:45,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:31:45,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:31:45,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:31:45,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:31:45,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:31:45,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:31:45,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:31:45,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:31:45,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:31:45,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:31:45,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:31:45,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:31:45,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:31:46,027 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:31:46,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:31:46,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:31:46,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:31:46,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:31:46,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:31:46,030 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:31:46,031 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:31:46,031 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:31:46,031 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:31:46,032 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:31:46,032 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:31:46,033 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:31:46,033 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:31:46,033 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:31:46,034 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:31:46,034 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:31:46,034 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:31:46,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:31:46,035 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:31:46,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:31:46,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:31:46,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:31:46,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:31:46,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:31:46,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:31:46,037 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:31:46,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:31:46,037 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:31:46,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:31:46,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:31:46,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:31:46,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:31:46,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:31:46,039 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:31:46,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:31:46,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:31:46,040 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:31:46,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:31:46,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:31:46,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:31:46,041 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_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea [2022-11-26 00:31:46,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:31:46,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:31:46,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:31:46,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:31:46,352 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:31:46,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2022-11-26 00:31:49,440 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:31:49,770 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:31:49,771 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2022-11-26 00:31:49,785 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/data/8f19a3431/d358dff7b54b4228a82c6d0cb9e47638/FLAG4f6a89ab7 [2022-11-26 00:31:49,800 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/data/8f19a3431/d358dff7b54b4228a82c6d0cb9e47638 [2022-11-26 00:31:49,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:31:49,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:31:49,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:31:49,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:31:49,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:31:49,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:31:49" (1/1) ... [2022-11-26 00:31:49,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4098c016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:49, skipping insertion in model container [2022-11-26 00:31:49,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:31:49" (1/1) ... [2022-11-26 00:31:49,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:31:49,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:31:50,285 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_cdc675e7-d7c3-401b-8075-ca602192ff8f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i[33021,33034] [2022-11-26 00:31:50,472 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:31:50,476 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_cdc675e7-d7c3-401b-8075-ca602192ff8f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i[49681,49694] [2022-11-26 00:31:50,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:31:50,549 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:31:50,576 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_cdc675e7-d7c3-401b-8075-ca602192ff8f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i[33021,33034] [2022-11-26 00:31:50,654 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:31:50,656 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_cdc675e7-d7c3-401b-8075-ca602192ff8f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i[49681,49694] [2022-11-26 00:31:50,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:31:50,744 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:31:50,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:50 WrapperNode [2022-11-26 00:31:50,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:31:50,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:31:50,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:31:50,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:31:50,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:50" (1/1) ... [2022-11-26 00:31:50,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:50" (1/1) ... [2022-11-26 00:31:50,884 INFO L138 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1686 [2022-11-26 00:31:50,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:31:50,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:31:50,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:31:50,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:31:50,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:50" (1/1) ... [2022-11-26 00:31:50,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:50" (1/1) ... [2022-11-26 00:31:50,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:50" (1/1) ... [2022-11-26 00:31:50,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:50" (1/1) ... [2022-11-26 00:31:50,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:50" (1/1) ... [2022-11-26 00:31:51,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:50" (1/1) ... [2022-11-26 00:31:51,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:50" (1/1) ... [2022-11-26 00:31:51,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:50" (1/1) ... [2022-11-26 00:31:51,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:31:51,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:31:51,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:31:51,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:31:51,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:50" (1/1) ... [2022-11-26 00:31:51,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:31:51,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:31:51,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:31:51,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:31:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:31:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:31:51,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:31:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:31:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:31:51,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:31:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:31:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:31:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:31:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:31:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:31:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:31:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:31:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:31:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:31:51,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:31:51,499 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:31:51,502 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:31:53,502 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:31:54,243 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:31:54,243 INFO L300 CfgBuilder]: Removed 100 assume(true) statements. [2022-11-26 00:31:54,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:31:54 BoogieIcfgContainer [2022-11-26 00:31:54,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:31:54,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:31:54,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:31:54,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:31:54,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:31:49" (1/3) ... [2022-11-26 00:31:54,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202ad27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:31:54, skipping insertion in model container [2022-11-26 00:31:54,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:50" (2/3) ... [2022-11-26 00:31:54,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202ad27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:31:54, skipping insertion in model container [2022-11-26 00:31:54,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:31:54" (3/3) ... [2022-11-26 00:31:54,261 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test5-3.i [2022-11-26 00:31:54,280 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:31:54,280 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:31:54,351 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:31:54,360 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;@69ee28a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:31:54,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:31:54,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 161 states have (on average 1.813664596273292) internal successors, (292), 168 states have internal predecessors, (292), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-26 00:31:54,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:31:54,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:31:54,372 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:31:54,373 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:31:54,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:31:54,378 INFO L85 PathProgramCache]: Analyzing trace with hash 274883441, now seen corresponding path program 1 times [2022-11-26 00:31:54,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:31:54,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396741132] [2022-11-26 00:31:54,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:54,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:31:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:31:54,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:31:54,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396741132] [2022-11-26 00:31:54,557 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-26 00:31:54,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640719601] [2022-11-26 00:31:54,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:54,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:54,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:31:54,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:31:54,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:31:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:31:54,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-26 00:31:54,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:31:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:31:54,912 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:31:54,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640719601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:31:54,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:31:54,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:31:54,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005583413] [2022-11-26 00:31:54,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:31:54,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:31:54,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:31:54,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:31:54,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:31:54,969 INFO L87 Difference]: Start difference. First operand has 177 states, 161 states have (on average 1.813664596273292) internal successors, (292), 168 states have internal predecessors, (292), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:31:55,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:31:55,951 INFO L93 Difference]: Finished difference Result 353 states and 632 transitions. [2022-11-26 00:31:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:31:55,960 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-11-26 00:31:55,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:31:55,970 INFO L225 Difference]: With dead ends: 353 [2022-11-26 00:31:55,970 INFO L226 Difference]: Without dead ends: 150 [2022-11-26 00:31:55,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:31:55,977 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:31:55,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:31:55,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-26 00:31:56,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-11-26 00:31:56,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 135 states have (on average 1.1925925925925926) internal successors, (161), 141 states have internal predecessors, (161), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-26 00:31:56,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 183 transitions. [2022-11-26 00:31:56,021 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 183 transitions. Word has length 6 [2022-11-26 00:31:56,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:31:56,021 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 183 transitions. [2022-11-26 00:31:56,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:31:56,022 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2022-11-26 00:31:56,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-26 00:31:56,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:31:56,023 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:31:56,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:31:56,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-26 00:31:56,232 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:31:56,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:31:56,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1671934868, now seen corresponding path program 1 times [2022-11-26 00:31:56,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:31:56,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102718221] [2022-11-26 00:31:56,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:56,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:31:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:31:56,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:31:56,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102718221] [2022-11-26 00:31:56,270 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-26 00:31:56,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883226543] [2022-11-26 00:31:56,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:56,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:56,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:31:56,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:31:56,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:31:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:31:56,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:31:56,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:31:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:31:56,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:31:56,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883226543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:31:56,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:31:56,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:31:56,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152666142] [2022-11-26 00:31:56,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:31:56,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:31:56,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:31:56,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:31:56,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:31:56,589 INFO L87 Difference]: Start difference. First operand 150 states and 183 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:31:58,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:31:58,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:31:58,765 INFO L93 Difference]: Finished difference Result 342 states and 425 transitions. [2022-11-26 00:31:58,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:31:58,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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 17 [2022-11-26 00:31:58,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:31:58,775 INFO L225 Difference]: With dead ends: 342 [2022-11-26 00:31:58,775 INFO L226 Difference]: Without dead ends: 290 [2022-11-26 00:31:58,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:31:58,777 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 149 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:31:58,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 335 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:31:58,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-11-26 00:31:58,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2022-11-26 00:31:58,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-26 00:31:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2022-11-26 00:31:58,802 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 17 [2022-11-26 00:31:58,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:31:58,802 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2022-11-26 00:31:58,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:31:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2022-11-26 00:31:58,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-26 00:31:58,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:31:58,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:31:58,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:31:59,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:59,023 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:31:59,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:31:59,024 INFO L85 PathProgramCache]: Analyzing trace with hash 700872651, now seen corresponding path program 1 times [2022-11-26 00:31:59,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:31:59,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304983687] [2022-11-26 00:31:59,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:59,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:31:59,285 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:31:59,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1498262445] [2022-11-26 00:31:59,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:59,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:59,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:31:59,288 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:31:59,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:32:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:32:00,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 3112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:32:00,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:32:00,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:32:00,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:32:00,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:32:00,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:32:00,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304983687] [2022-11-26 00:32:00,951 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:32:00,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498262445] [2022-11-26 00:32:00,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498262445] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:32:00,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [877436868] [2022-11-26 00:32:00,971 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-26 00:32:00,972 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:32:00,975 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:32:00,981 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:32:00,981 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:32:01,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,123 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:32:01,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-26 00:32:01,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,142 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 [2022-11-26 00:32:01,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:32:01,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:01,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,234 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:32:01,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-26 00:32:01,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,290 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:32:01,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 00:32:01,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:32:01,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-26 00:32:01,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:32:01,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:01,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:32:02,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:32:02,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:32:02,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:32:02,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:32:02,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:32:02,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:02,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:32:02,672 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:32:09,349 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:32:17,086 WARN L233 SmtUtils]: Spent 5.64s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:32:17,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [877436868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:32:17,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:32:17,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:32:17,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017097625] [2022-11-26 00:32:17,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:32:17,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:32:17,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:32:17,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:32:17,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=69, Unknown=1, NotChecked=0, Total=132 [2022-11-26 00:32:17,108 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:32:19,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:32:21,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:32:27,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:32:28,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:32:28,844 INFO L93 Difference]: Finished difference Result 310 states and 378 transitions. [2022-11-26 00:32:28,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:32:28,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2022-11-26 00:32:28,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:32:28,846 INFO L225 Difference]: With dead ends: 310 [2022-11-26 00:32:28,846 INFO L226 Difference]: Without dead ends: 161 [2022-11-26 00:32:28,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=62, Invalid=69, Unknown=1, NotChecked=0, Total=132 [2022-11-26 00:32:28,848 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:32:28,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 602 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 316 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2022-11-26 00:32:28,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-26 00:32:28,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-11-26 00:32:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-26 00:32:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2022-11-26 00:32:28,875 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2022-11-26 00:32:28,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:32:28,878 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2022-11-26 00:32:28,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:32:28,878 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2022-11-26 00:32:28,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-26 00:32:28,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:32:28,881 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:32:28,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-26 00:32:29,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:32:29,087 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:32:29,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:32:29,088 INFO L85 PathProgramCache]: Analyzing trace with hash -385397690, now seen corresponding path program 1 times [2022-11-26 00:32:29,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:32:29,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431824405] [2022-11-26 00:32:29,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:32:29,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:32:29,315 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:32:29,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [949187748] [2022-11-26 00:32:29,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:32:29,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:32:29,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:32:29,324 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:32:29,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:32:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:32:30,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:32:30,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:32:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:32:30,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:32:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:32:30,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:32:30,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431824405] [2022-11-26 00:32:30,689 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:32:30,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949187748] [2022-11-26 00:32:30,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949187748] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:32:30,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1858862819] [2022-11-26 00:32:30,694 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-26 00:32:30,694 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:32:30,695 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:32:30,695 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:32:30,695 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:32:30,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:30,806 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:32:30,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-26 00:32:30,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:30,819 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 [2022-11-26 00:32:30,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:30,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:30,873 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:32:30,874 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 [2022-11-26 00:32:30,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:30,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:32:30,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:30,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:30,945 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:32:30,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 00:32:30,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:30,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:30,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 00:32:30,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:30,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:32:31,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:32:31,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:32:31,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:32:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-26 00:32:31,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:32:31,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:32:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:32:31,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:32:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:32:31,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:32:31,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:32:31,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,963 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:32:31,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-26 00:32:31,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:31,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,052 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:32:32,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-26 00:32:32,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:32:32,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:32:32,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:32:32,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-26 00:32:32,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-26 00:32:32,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:32,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-26 00:32:33,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:32:33,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:32:33,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:32:33,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:32:33,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:32:33,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,298 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:32:33,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-26 00:32:33,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:33,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-11-26 00:32:33,711 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 253 for LOIs [2022-11-26 00:32:33,812 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:32:42,400 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:32:50,183 WARN L233 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:32:59,924 WARN L233 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 262 DAG size of output: 248 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:33:12,392 WARN L233 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:33:26,788 WARN L233 SmtUtils]: Spent 8.19s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:33:28,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1858862819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:33:28,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:33:28,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:33:28,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181124675] [2022-11-26 00:33:28,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:33:28,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:33:28,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:33:28,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:33:28,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-26 00:33:28,006 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:33:33,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:33:36,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:33:38,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:33:40,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:33:42,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:33:44,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:33:46,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:33:48,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:33:50,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:33:57,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:33:58,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:33:59,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:34:03,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:34:03,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:34:03,784 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2022-11-26 00:34:03,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:34:03,785 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2022-11-26 00:34:03,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:34:03,786 INFO L225 Difference]: With dead ends: 315 [2022-11-26 00:34:03,786 INFO L226 Difference]: Without dead ends: 166 [2022-11-26 00:34:03,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 57.3s TimeCoverageRelationStatistics Valid=100, Invalid=196, Unknown=10, NotChecked=0, Total=306 [2022-11-26 00:34:03,788 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:34:03,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 611 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 376 Invalid, 10 Unknown, 0 Unchecked, 32.6s Time] [2022-11-26 00:34:03,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-26 00:34:03,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-11-26 00:34:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-26 00:34:03,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2022-11-26 00:34:03,821 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2022-11-26 00:34:03,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:34:03,821 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2022-11-26 00:34:03,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:34:03,821 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2022-11-26 00:34:03,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-26 00:34:03,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:34:03,823 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:34:03,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:34:04,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:34:04,035 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:34:04,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:34:04,035 INFO L85 PathProgramCache]: Analyzing trace with hash -102741374, now seen corresponding path program 1 times [2022-11-26 00:34:04,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:34:04,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991853037] [2022-11-26 00:34:04,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:34:04,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:34:04,205 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:34:04,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419107624] [2022-11-26 00:34:04,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:34:04,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:34:04,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:34:04,207 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:34:04,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc675e7-d7c3-401b-8075-ca602192ff8f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:34:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:34:05,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:34:05,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:34:05,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:34:05,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:34:05,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:34:05,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:34:05,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991853037] [2022-11-26 00:34:05,709 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:34:05,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419107624] [2022-11-26 00:34:05,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419107624] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:34:05,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [465734041] [2022-11-26 00:34:05,713 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-26 00:34:05,713 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:34:05,714 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:34:05,714 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:34:05,714 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:34:05,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:05,806 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:34:05,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-26 00:34:05,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:05,818 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 [2022-11-26 00:34:05,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:05,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:34:05,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:05,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:05,880 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:34:05,880 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 [2022-11-26 00:34:05,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:05,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:05,932 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:34:05,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 00:34:05,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:05,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:34:05,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 00:34:05,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:05,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:34:06,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:34:06,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:34:06,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:34:06,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:34:06,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:34:06,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:34:06,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:34:06,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:34:06,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:34:06,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,693 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:34:06,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-26 00:34:06,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,780 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:34:06,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-26 00:34:06,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:34:06,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:34:07,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:34:07,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:34:07,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:34:07,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:34:07,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-26 00:34:07,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:34:07,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:34:07,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:34:07,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:34:07,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 00:34:07,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:34:07,250 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 [2022-11-26 00:34:07,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 00:34:07,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:34:07,457 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 [2022-11-26 00:34:10,254 INFO L217 Elim1Store]: Index analysis took 1517 ms [2022-11-26 00:34:14,677 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-26 00:34:14,678 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 10752723 treesize of output 10752742 [2022-11-26 00:34:15,705 INFO L217 Elim1Store]: Index analysis took 756 ms [2022-11-26 00:34:16,312 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-26 00:34:16,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 10752718 treesize of output 10752722 [2022-11-26 00:37:50,304 WARN L233 SmtUtils]: Spent 3.56m on a formula simplification. DAG size of input: 198 DAG size of output: 104 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:37:50,305 INFO L321 Elim1Store]: treesize reduction 1636, result has 23.4 percent of original size [2022-11-26 00:37:50,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 7904 treesize of output 5832 [2022-11-26 00:37:51,135 INFO L217 Elim1Store]: Index analysis took 447 ms [2022-11-26 00:40:04,595 WARN L233 SmtUtils]: Spent 2.22m on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:40:04,596 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:40:04,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 7135 treesize of output 5975 [2022-11-26 00:40:11,509 INFO L217 Elim1Store]: Index analysis took 4761 ms