./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW --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 9ddeff00ba0e288e2e7b04a6005a0db991f8cee358fe3ef021af7107ab321b8e --- 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-4e7fbc6 [2022-11-23 14:58:12,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:58:12,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:58:13,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:58:13,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:58:13,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:58:13,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:58:13,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:58:13,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:58:13,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:58:13,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:58:13,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:58:13,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:58:13,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:58:13,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:58:13,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:58:13,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:58:13,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:58:13,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:58:13,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:58:13,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:58:13,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:58:13,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:58:13,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:58:13,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:58:13,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:58:13,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:58:13,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:58:13,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:58:13,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:58:13,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:58:13,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:58:13,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:58:13,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:58:13,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:58:13,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:58:13,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:58:13,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:58:13,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:58:13,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:58:13,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:58:13,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:58:13,105 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:58:13,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:58:13,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:58:13,107 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:58:13,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:58:13,109 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:58:13,109 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:58:13,109 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:58:13,110 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:58:13,110 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:58:13,111 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:58:13,112 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:58:13,112 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:58:13,112 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:58:13,113 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:58:13,113 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:58:13,113 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:58:13,113 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:58:13,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:58:13,115 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:58:13,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:58:13,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:58:13,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:58:13,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:58:13,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:58:13,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:58:13,116 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:58:13,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:58:13,117 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:58:13,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:58:13,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:58:13,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:58:13,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:58:13,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:58:13,119 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:58:13,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:58:13,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:58:13,120 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:58:13,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:58:13,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:58:13,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:58:13,122 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_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ddeff00ba0e288e2e7b04a6005a0db991f8cee358fe3ef021af7107ab321b8e [2022-11-23 14:58:13,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:58:13,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:58:13,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:58:13,476 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:58:13,476 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:58:13,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i [2022-11-23 14:58:17,006 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:58:17,510 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:58:17,519 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i [2022-11-23 14:58:17,537 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/data/6344aa6e1/868b91195a85492193cb70febed1709e/FLAG4f9cfeac4 [2022-11-23 14:58:17,559 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/data/6344aa6e1/868b91195a85492193cb70febed1709e [2022-11-23 14:58:17,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:58:17,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:58:17,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:58:17,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:58:17,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:58:17,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:58:17" (1/1) ... [2022-11-23 14:58:17,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd5c7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:17, skipping insertion in model container [2022-11-23 14:58:17,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:58:17" (1/1) ... [2022-11-23 14:58:17,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:58:17,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:58:18,174 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_70c58083-2992-4fa5-85e3-48ab844e5d65/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i[33021,33034] [2022-11-23 14:58:18,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:58:18,331 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:58:18,365 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_70c58083-2992-4fa5-85e3-48ab844e5d65/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i[33021,33034] [2022-11-23 14:58:18,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:58:18,497 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:58:18,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:18 WrapperNode [2022-11-23 14:58:18,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:58:18,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:58:18,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:58:18,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:58:18,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:18" (1/1) ... [2022-11-23 14:58:18,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:18" (1/1) ... [2022-11-23 14:58:18,671 INFO L138 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1145 [2022-11-23 14:58:18,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:58:18,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:58:18,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:58:18,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:58:18,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:18" (1/1) ... [2022-11-23 14:58:18,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:18" (1/1) ... [2022-11-23 14:58:18,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:18" (1/1) ... [2022-11-23 14:58:18,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:18" (1/1) ... [2022-11-23 14:58:18,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:18" (1/1) ... [2022-11-23 14:58:18,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:18" (1/1) ... [2022-11-23 14:58:18,804 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:18" (1/1) ... [2022-11-23 14:58:18,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:18" (1/1) ... [2022-11-23 14:58:18,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:58:18,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:58:18,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:58:18,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:58:18,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:18" (1/1) ... [2022-11-23 14:58:18,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:58:18,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:58:18,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:58:18,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:58:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:58:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:58:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:58:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:58:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:58:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:58:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:58:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:58:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:58:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:58:18,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:58:18,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:58:18,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:58:18,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:58:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:58:19,244 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:58:19,246 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:58:21,611 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:58:22,098 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:58:22,099 INFO L300 CfgBuilder]: Removed 60 assume(true) statements. [2022-11-23 14:58:22,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:58:22 BoogieIcfgContainer [2022-11-23 14:58:22,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:58:22,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:58:22,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:58:22,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:58:22,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:58:17" (1/3) ... [2022-11-23 14:58:22,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59036140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:58:22, skipping insertion in model container [2022-11-23 14:58:22,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:18" (2/3) ... [2022-11-23 14:58:22,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59036140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:58:22, skipping insertion in model container [2022-11-23 14:58:22,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:58:22" (3/3) ... [2022-11-23 14:58:22,111 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-1.i [2022-11-23 14:58:22,124 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:58:22,124 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:58:22,172 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:58:22,178 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;@999de35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:58:22,178 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:58:22,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 14:58:22,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:58:22,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:58:22,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:58:22,191 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:58:22,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:58:22,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1318725013, now seen corresponding path program 1 times [2022-11-23 14:58:22,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:58:22,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849156994] [2022-11-23 14:58:22,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:58:22,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:58:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:58:22,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:58:22,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:58:22,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849156994] [2022-11-23 14:58:22,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849156994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:58:22,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:58:22,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:58:22,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576147565] [2022-11-23 14:58:22,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:58:22,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:58:22,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:58:22,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:58:22,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:58:22,567 INFO L87 Difference]: Start difference. First operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:58:25,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:58:28,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:58:30,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:58:30,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:58:30,058 INFO L93 Difference]: Finished difference Result 347 states and 628 transitions. [2022-11-23 14:58:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:58:30,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 14:58:30,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:58:30,081 INFO L225 Difference]: With dead ends: 347 [2022-11-23 14:58:30,081 INFO L226 Difference]: Without dead ends: 220 [2022-11-23 14:58:30,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:58:30,090 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 97 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:58:30,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 310 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-11-23 14:58:30,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-23 14:58:30,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-23 14:58:30,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 14:58:30,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-23 14:58:30,187 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-23 14:58:30,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:58:30,188 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-23 14:58:30,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:58:30,189 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-23 14:58:30,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 14:58:30,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:58:30,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:58:30,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:58:30,197 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:58:30,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:58:30,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1742694732, now seen corresponding path program 1 times [2022-11-23 14:58:30,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:58:30,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218233349] [2022-11-23 14:58:30,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:58:30,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:58:30,526 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:58:30,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2068068185] [2022-11-23 14:58:30,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:58:30,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:58:30,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:58:30,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:58:30,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:58:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:58:31,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:58:31,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:58:32,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:58:32,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:58:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:58:32,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:58:32,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218233349] [2022-11-23 14:58:32,376 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:58:32,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068068185] [2022-11-23 14:58:32,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068068185] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:58:32,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [353730572] [2022-11-23 14:58:32,398 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-23 14:58:32,398 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:58:32,421 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:58:32,427 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:58:32,428 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:58:32,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:32,697 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 [2022-11-23 14:58:32,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:32,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:32,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:32,727 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:58:32,728 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 [2022-11-23 14:58:32,787 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:58:32,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:58:32,809 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 [2022-11-23 14:58:32,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:32,834 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 [2022-11-23 14:58:33,384 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 [2022-11-23 14:58:33,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,456 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 [2022-11-23 14:58:33,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,516 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 [2022-11-23 14:58:33,563 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 [2022-11-23 14:58:33,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:58:33,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,636 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:58:33,637 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 [2022-11-23 14:58:33,679 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 14:58:33,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-23 14:58:33,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,700 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 [2022-11-23 14:58:33,747 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:58:33,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:58:33,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:33,770 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 [2022-11-23 14:58:34,249 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 [2022-11-23 14:58:34,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,311 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 [2022-11-23 14:58:34,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:58:34,367 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 [2022-11-23 14:58:34,412 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 [2022-11-23 14:58:34,449 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:58:42,793 WARN L233 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:58:50,627 WARN L233 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:58:50,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [353730572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:58:50,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:58:50,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-23 14:58:50,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377816276] [2022-11-23 14:58:50,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:58:50,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:58:50,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:58:50,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:58:50,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-23 14:58:50,642 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:58:53,795 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] [2022-11-23 14:58:55,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:58:57,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:59:03,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:59:05,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:05,018 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-23 14:59:05,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 14:59:05,019 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-23 14:59:05,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:05,020 INFO L225 Difference]: With dead ends: 265 [2022-11-23 14:59:05,020 INFO L226 Difference]: Without dead ends: 140 [2022-11-23 14:59:05,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-23 14:59:05,023 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 7 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:05,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 466 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2022-11-23 14:59:05,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-23 14:59:05,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-23 14:59:05,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 14:59:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-23 14:59:05,077 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-23 14:59:05,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:05,077 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-23 14:59:05,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-23 14:59:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 14:59:05,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:05,079 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:05,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:59:05,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:59:05,280 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:59:05,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:05,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1270953821, now seen corresponding path program 1 times [2022-11-23 14:59:05,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:05,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993832265] [2022-11-23 14:59:05,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:05,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:05,453 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:59:05,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [362866621] [2022-11-23 14:59:05,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:05,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:59:05,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:59:05,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:59:05,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:59:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:06,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:59:06,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:59:06,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 14:59:06,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:59:06,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 14:59:06,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:06,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993832265] [2022-11-23 14:59:06,822 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:59:06,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362866621] [2022-11-23 14:59:06,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362866621] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:59:06,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [625369138] [2022-11-23 14:59:06,828 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-23 14:59:06,828 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:59:06,829 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:59:06,829 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:59:06,829 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:59:07,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,003 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 [2022-11-23 14:59:07,044 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:59:07,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:59:07,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,066 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 [2022-11-23 14:59:07,077 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 [2022-11-23 14:59:07,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:07,091 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 [2022-11-23 14:59:07,380 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 [2022-11-23 14:59:07,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,436 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 [2022-11-23 14:59:07,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,484 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 [2022-11-23 14:59:07,522 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 [2022-11-23 14:59:07,552 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 [2022-11-23 14:59:07,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,613 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 [2022-11-23 14:59:07,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:07,740 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 [2022-11-23 14:59:07,788 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 [2022-11-23 14:59:07,841 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 [2022-11-23 14:59:07,916 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:59:07,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 14:59:07,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-23 14:59:07,977 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 [2022-11-23 14:59:08,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,051 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 [2022-11-23 14:59:08,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,408 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 [2022-11-23 14:59:08,453 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:59:08,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:59:08,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,477 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 [2022-11-23 14:59:08,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:59:08,489 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 [2022-11-23 14:59:08,500 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 [2022-11-23 14:59:08,941 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 [2022-11-23 14:59:08,964 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 [2022-11-23 14:59:08,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:08,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,022 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 [2022-11-23 14:59:09,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,074 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 [2022-11-23 14:59:09,136 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 [2022-11-23 14:59:09,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,204 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 [2022-11-23 14:59:09,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,259 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 [2022-11-23 14:59:09,292 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 [2022-11-23 14:59:09,357 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 [2022-11-23 14:59:09,445 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:59:09,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 14:59:09,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-23 14:59:09,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:59:09,517 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 [2022-11-23 14:59:09,557 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 [2022-11-23 14:59:09,916 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-23 14:59:10,031 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:59:16,384 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:59:24,728 WARN L233 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:59:34,909 WARN L233 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:59:47,613 WARN L233 SmtUtils]: Spent 6.55s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:00:00,799 WARN L233 SmtUtils]: Spent 6.99s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:00:01,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [625369138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:01,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:00:01,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-23 15:00:01,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819527412] [2022-11-23 15:00:01,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:01,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:01,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:01,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:01,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-23 15:00:01,590 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:00:03,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:00:05,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:00:08,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:00:10,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:00:12,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:00:14,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:00:16,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:00:18,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:00:20,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:00:22,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:00:27,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:00:30,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:00:33,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:00:36,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:00:38,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:38,759 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-23 15:00:38,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:00:38,760 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-11-23 15:00:38,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:38,761 INFO L225 Difference]: With dead ends: 267 [2022-11-23 15:00:38,761 INFO L226 Difference]: Without dead ends: 142 [2022-11-23 15:00:38,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 51.6s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-23 15:00:38,763 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 10 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 6 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:38,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 641 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 389 Invalid, 11 Unknown, 0 Unchecked, 37.1s Time] [2022-11-23 15:00:38,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-23 15:00:38,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-23 15:00:38,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-23 15:00:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-23 15:00:38,791 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-23 15:00:38,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:38,791 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-23 15:00:38,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:00:38,792 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-23 15:00:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 15:00:38,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:38,794 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:38,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:00:39,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:39,005 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:00:39,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:39,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1298103213, now seen corresponding path program 1 times [2022-11-23 15:00:39,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:39,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558381368] [2022-11-23 15:00:39,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:39,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:39,180 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:00:39,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1260525694] [2022-11-23 15:00:39,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:39,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:39,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:00:39,188 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:00:39,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c58083-2992-4fa5-85e3-48ab844e5d65/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:00:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:40,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:00:40,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:00:40,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:00:40,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:00:40,692 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:00:40,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:40,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558381368] [2022-11-23 15:00:40,693 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:00:40,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260525694] [2022-11-23 15:00:40,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260525694] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:00:40,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2079156789] [2022-11-23 15:00:40,697 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-23 15:00:40,697 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:00:40,698 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:00:40,698 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:00:40,698 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:00:40,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:40,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:40,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:40,795 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:00:40,796 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 [2022-11-23 15:00:40,845 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:00:40,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 15:00:40,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:40,863 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 [2022-11-23 15:00:40,872 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 [2022-11-23 15:00:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:40,888 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 [2022-11-23 15:00:41,134 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 [2022-11-23 15:00:41,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,184 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 [2022-11-23 15:00:41,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,272 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 [2022-11-23 15:00:41,305 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 [2022-11-23 15:00:41,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,379 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 [2022-11-23 15:00:41,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,428 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 [2022-11-23 15:00:41,454 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 [2022-11-23 15:00:41,466 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 [2022-11-23 15:00:41,507 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 [2022-11-23 15:00:41,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:41,549 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 [2022-11-23 15:00:41,587 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 [2022-11-23 15:00:41,665 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 15:00:41,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-23 15:00:41,752 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 15:00:41,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 15:00:41,899 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 [2022-11-23 15:00:41,904 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 [2022-11-23 15:00:41,910 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 [2022-11-23 15:00:41,927 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 [2022-11-23 15:00:41,935 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 [2022-11-23 15:00:41,943 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 [2022-11-23 15:00:41,962 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 [2022-11-23 15:00:41,968 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 [2022-11-23 15:00:41,975 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 [2022-11-23 15:00:42,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,065 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 [2022-11-23 15:00:42,092 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 [2022-11-23 15:00:42,110 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 [2022-11-23 15:00:42,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:42,276 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 [2022-11-23 15:00:42,294 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 [2022-11-23 15:00:42,311 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 [2022-11-23 15:00:43,540 INFO L217 Elim1Store]: Index analysis took 704 ms [2022-11-23 15:00:48,382 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-23 15:00:48,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-11-23 15:00:49,073 INFO L217 Elim1Store]: Index analysis took 450 ms [2022-11-23 15:00:52,053 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-23 15:00:52,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-11-23 15:00:59,596 WARN L233 SmtUtils]: Spent 7.49s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:00:59,597 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 15:00:59,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-23 15:01:23,996 WARN L233 SmtUtils]: Spent 24.22s 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) [2022-11-23 15:01:23,996 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 15:01:23,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-23 15:01:24,918 INFO L217 Elim1Store]: Index analysis took 687 ms [2022-11-23 15:01:44,256 WARN L233 SmtUtils]: Spent 18.92s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:01:44,258 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-23 15:01:44,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-23 15:01:45,697 INFO L217 Elim1Store]: Index analysis took 126 ms [2022-11-23 15:01:46,220 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-23 15:01:46,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-23 15:01:46,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:01:46,923 INFO L217 Elim1Store]: Index analysis took 475 ms [2022-11-23 15:01:47,633 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:01:47,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-23 15:01:53,354 INFO L217 Elim1Store]: Index analysis took 521 ms