./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash efaea2320311f06fbd3071893d75fb70222c33e449b43348105f12b548a90ab4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:44:35,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:44:35,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:44:35,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:44:35,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:44:35,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:44:35,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:44:35,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:44:35,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:44:35,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:44:35,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:44:35,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:44:35,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:44:35,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:44:35,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:44:35,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:44:35,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:44:35,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:44:35,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:44:35,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:44:35,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:44:35,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:44:35,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:44:35,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:44:35,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:44:35,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:44:35,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:44:35,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:44:35,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:44:35,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:44:35,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:44:35,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:44:35,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:44:35,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:44:35,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:44:35,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:44:35,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:44:35,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:44:35,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:44:35,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:44:35,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:44:35,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 12:44:35,312 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:44:35,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:44:35,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:44:35,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:44:35,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:44:35,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:44:35,313 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:44:35,313 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:44:35,313 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:44:35,313 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:44:35,313 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:44:35,314 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:44:35,314 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:44:35,314 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:44:35,314 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:44:35,314 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:44:35,314 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:44:35,314 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:44:35,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:44:35,315 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:44:35,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:44:35,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:44:35,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:44:35,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:44:35,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:44:35,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:44:35,316 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:44:35,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:44:35,316 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:44:35,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:44:35,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:44:35,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:44:35,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:44:35,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:44:35,317 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:44:35,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:44:35,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:44:35,317 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:44:35,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:44:35,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:44:35,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:44:35,317 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_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efaea2320311f06fbd3071893d75fb70222c33e449b43348105f12b548a90ab4 [2022-12-14 12:44:35,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:44:35,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:44:35,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:44:35,495 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:44:35,495 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:44:35,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i [2022-12-14 12:44:37,991 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:44:38,223 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:44:38,223 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i [2022-12-14 12:44:38,233 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/data/21b45731d/7855de0e69c24ec0864587126a418801/FLAG17af6526e [2022-12-14 12:44:38,243 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/data/21b45731d/7855de0e69c24ec0864587126a418801 [2022-12-14 12:44:38,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:44:38,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:44:38,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:44:38,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:44:38,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:44:38,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:44:38" (1/1) ... [2022-12-14 12:44:38,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d577e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38, skipping insertion in model container [2022-12-14 12:44:38,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:44:38" (1/1) ... [2022-12-14 12:44:38,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:44:38,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:44:38,531 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_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i[33021,33034] [2022-12-14 12:44:38,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:44:38,621 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:44:38,640 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_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i[33021,33034] [2022-12-14 12:44:38,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:44:38,719 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:44:38,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38 WrapperNode [2022-12-14 12:44:38,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:44:38,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:44:38,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:44:38,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:44:38,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38" (1/1) ... [2022-12-14 12:44:38,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38" (1/1) ... [2022-12-14 12:44:38,792 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1437 [2022-12-14 12:44:38,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:44:38,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:44:38,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:44:38,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:44:38,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38" (1/1) ... [2022-12-14 12:44:38,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38" (1/1) ... [2022-12-14 12:44:38,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38" (1/1) ... [2022-12-14 12:44:38,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38" (1/1) ... [2022-12-14 12:44:38,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38" (1/1) ... [2022-12-14 12:44:38,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38" (1/1) ... [2022-12-14 12:44:38,885 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38" (1/1) ... [2022-12-14 12:44:38,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38" (1/1) ... [2022-12-14 12:44:38,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:44:38,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:44:38,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:44:38,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:44:38,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38" (1/1) ... [2022-12-14 12:44:38,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:44:38,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:44:38,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:44:38,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:44:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:44:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 12:44:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 12:44:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:44:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 12:44:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 12:44:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:44:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:44:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:44:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:44:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:44:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:44:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:44:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:44:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:44:39,132 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:44:39,134 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:44:40,307 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:44:40,693 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:44:40,693 INFO L300 CfgBuilder]: Removed 77 assume(true) statements. [2022-12-14 12:44:40,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:44:40 BoogieIcfgContainer [2022-12-14 12:44:40,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:44:40,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:44:40,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:44:40,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:44:40,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:44:38" (1/3) ... [2022-12-14 12:44:40,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@882d21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:44:40, skipping insertion in model container [2022-12-14 12:44:40,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:44:38" (2/3) ... [2022-12-14 12:44:40,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@882d21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:44:40, skipping insertion in model container [2022-12-14 12:44:40,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:44:40" (3/3) ... [2022-12-14 12:44:40,702 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-3.i [2022-12-14 12:44:40,715 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:44:40,715 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 12:44:40,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:44:40,758 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;@114944b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:44:40,758 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 12:44:40,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 12:44:40,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 12:44:40,768 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:44:40,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:44:40,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:44:40,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:44:40,773 INFO L85 PathProgramCache]: Analyzing trace with hash -810098709, now seen corresponding path program 1 times [2022-12-14 12:44:40,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:44:40,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240163221] [2022-12-14 12:44:40,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:44:40,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:44:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:44:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:44:40,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:44:40,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240163221] [2022-12-14 12:44:40,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240163221] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:44:40,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:44:40,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:44:40,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320215027] [2022-12-14 12:44:40,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:44:40,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:44:40,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:44:40,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:44:40,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:44:40,947 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:44:42,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:44:42,972 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2022-12-14 12:44:42,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:44:42,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 12:44:42,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:44:42,988 INFO L225 Difference]: With dead ends: 399 [2022-12-14 12:44:42,988 INFO L226 Difference]: Without dead ends: 220 [2022-12-14 12:44:42,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:44:42,992 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 97 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:44:42,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 365 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 12:44:43,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-12-14 12:44:43,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-12-14 12:44:43,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 12:44:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-12-14 12:44:43,028 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-12-14 12:44:43,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:44:43,028 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-12-14 12:44:43,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:44:43,029 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-12-14 12:44:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 12:44:43,030 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:44:43,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:44:43,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:44:43,031 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:44:43,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:44:43,032 INFO L85 PathProgramCache]: Analyzing trace with hash 761830316, now seen corresponding path program 1 times [2022-12-14 12:44:43,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:44:43,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136075003] [2022-12-14 12:44:43,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:44:43,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:44:43,211 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:44:43,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [379995092] [2022-12-14 12:44:43,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:44:43,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:44:43,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:44:43,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:44:43,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:44:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:44:44,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:44:44,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:44:44,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:44:44,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:44:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:44:44,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:44:44,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136075003] [2022-12-14 12:44:44,182 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:44:44,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379995092] [2022-12-14 12:44:44,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379995092] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:44:44,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [641470728] [2022-12-14 12:44:44,202 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-12-14 12:44:44,203 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:44:44,206 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:44:44,212 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:44:44,212 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:44:44,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:44:44,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,376 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 12:44:44,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 12:44:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 12:44:44,433 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 12:44:44,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 12:44:44,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 12:44:44,488 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:44:44,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 12:44:44,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 12:44:44,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 12:44:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 12:44:44,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 12:44:44,886 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 12:44:44,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 12:44:44,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 12:44:44,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:44:44,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,918 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 12:44:44,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 12:44:44,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:44,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 12:44:44,962 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:44:44,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 12:44:45,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 12:44:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:44:45,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 12:44:45,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 12:44:45,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 12:44:45,458 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:44:59,946 WARN L233 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:44:59,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [641470728] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:44:59,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 12:44:59,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 12:44:59,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80718837] [2022-12-14 12:44:59,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:44:59,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 12:44:59,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:44:59,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 12:44:59,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 12:44:59,951 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:45:03,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:45:05,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:45:07,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:45:11,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:45:12,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:45:12,927 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-12-14 12:45:12,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 12:45:12,928 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-12-14 12:45:12,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:45:12,930 INFO L225 Difference]: With dead ends: 265 [2022-12-14 12:45:12,930 INFO L226 Difference]: Without dead ends: 140 [2022-12-14 12:45:12,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 12:45:12,932 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:45:12,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 461 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 212 Invalid, 3 Unknown, 0 Unchecked, 12.0s Time] [2022-12-14 12:45:12,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-12-14 12:45:12,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-12-14 12:45:12,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 12:45:12,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-12-14 12:45:12,945 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-12-14 12:45:12,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:45:12,946 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-12-14 12:45:12,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:45:12,946 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-12-14 12:45:12,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 12:45:12,949 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:45:12,950 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:45:12,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:45:13,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:45:13,152 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:45:13,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:45:13,153 INFO L85 PathProgramCache]: Analyzing trace with hash 583681991, now seen corresponding path program 1 times [2022-12-14 12:45:13,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:45:13,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370565779] [2022-12-14 12:45:13,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:45:13,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:45:13,300 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:45:13,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525006497] [2022-12-14 12:45:13,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:45:13,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:45:13,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:45:13,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:45:13,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:45:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:45:13,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:45:13,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:45:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 12:45:14,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:45:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 12:45:14,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:45:14,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370565779] [2022-12-14 12:45:14,101 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:45:14,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525006497] [2022-12-14 12:45:14,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525006497] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:45:14,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [610683246] [2022-12-14 12:45:14,105 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 12:45:14,105 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:45:14,106 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:45:14,106 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:45:14,106 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:45:14,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:45:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,194 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 12:45:14,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 12:45:14,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 12:45:14,237 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 12:45:14,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 12:45:14,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 12:45:14,285 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:45:14,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 12:45:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 12:45:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 12:45:14,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 12:45:14,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 12:45:14,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 12:45:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 12:45:14,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 12:45:14,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 12:45:14,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 12:45:14,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:14,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 12:45:14,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 12:45:14,905 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 12:45:14,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 12:45:14,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 12:45:15,157 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:45:15,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 12:45:15,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 12:45:15,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 12:45:15,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 12:45:15,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:45:15,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 12:45:15,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 12:45:15,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 12:45:15,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 12:45:15,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 12:45:15,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 12:45:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 12:45:15,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 12:45:15,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 12:45:15,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 12:45:15,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:45:15,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 12:45:15,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 12:45:15,798 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 12:45:15,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 12:45:15,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 12:45:16,037 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 12:45:16,113 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:45:29,779 WARN L233 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:45:39,693 WARN L233 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:45:52,084 WARN L233 SmtUtils]: Spent 6.26s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:46:03,912 WARN L233 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:46:04,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [610683246] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:46:04,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 12:46:04,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 12:46:04,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868683353] [2022-12-14 12:46:04,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:46:04,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 12:46:04,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:46:04,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 12:46:04,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 12:46:04,450 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:46:06,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:46:08,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:46:10,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:46:13,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:46:15,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:46:17,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:46:19,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:46:21,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:46:23,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:46:31,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:46:31,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:46:31,520 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-12-14 12:46:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 12:46:31,521 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-12-14 12:46:31,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:46:31,522 INFO L225 Difference]: With dead ends: 267 [2022-12-14 12:46:31,522 INFO L226 Difference]: Without dead ends: 142 [2022-12-14 12:46:31,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 48.3s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 12:46:31,523 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:46:31,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 749 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 434 Invalid, 9 Unknown, 0 Unchecked, 27.0s Time] [2022-12-14 12:46:31,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-14 12:46:31,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-12-14 12:46:31,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-14 12:46:31,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-12-14 12:46:31,539 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-12-14 12:46:31,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:46:31,539 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-12-14 12:46:31,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:46:31,539 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-12-14 12:46:31,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 12:46:31,543 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:46:31,543 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:46:31,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 12:46:31,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:46:31,745 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:46:31,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:46:31,747 INFO L85 PathProgramCache]: Analyzing trace with hash 501515405, now seen corresponding path program 1 times [2022-12-14 12:46:31,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:46:31,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428820041] [2022-12-14 12:46:31,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:46:31,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:46:31,864 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:46:31,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989702952] [2022-12-14 12:46:31,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:46:31,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:46:31,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:46:31,865 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:46:31,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0e8f7f-1760-4734-b526-e6b8d5e4cdba/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:46:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:46:32,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:46:32,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:46:32,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 12:46:32,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:46:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 12:46:32,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:46:32,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428820041] [2022-12-14 12:46:32,682 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:46:32,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989702952] [2022-12-14 12:46:32,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989702952] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:46:32,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1009136338] [2022-12-14 12:46:32,685 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 12:46:32,685 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:46:32,685 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:46:32,685 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:46:32,685 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:46:32,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:32,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 12:46:32,761 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 12:46:32,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 12:46:32,797 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:46:32,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 12:46:32,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:32,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 12:46:32,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:32,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:46:32,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 12:46:32,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 12:46:33,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 12:46:33,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 12:46:33,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 12:46:33,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 12:46:33,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 12:46:33,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 12:46:33,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 12:46:33,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 12:46:33,283 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 12:46:33,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 12:46:33,340 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 12:46:33,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 12:46:33,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 12:46:33,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 12:46:33,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:46:33,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:46:33,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:46:33,546 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 12:46:33,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2022-12-14 12:46:33,574 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 12:46:33,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-12-14 12:46:33,596 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 12:46:33,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 12:46:33,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 12:46:33,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 12:46:33,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:46:33,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 12:46:33,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 12:46:33,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 12:46:33,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:33,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 12:46:33,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 12:46:33,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 12:46:34,804 INFO L217 Elim1Store]: Index analysis took 590 ms [2022-12-14 12:46:37,881 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 12:46:37,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-12-14 12:46:38,358 INFO L217 Elim1Store]: Index analysis took 359 ms [2022-12-14 12:46:39,862 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 12:46:39,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-12-14 12:46:46,199 WARN L233 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 12:46:46,199 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 12:46:46,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 12:47:09,495 WARN L233 SmtUtils]: Spent 23.15s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 12:47:09,495 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 12:47:09,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-12-14 12:47:10,424 INFO L217 Elim1Store]: Index analysis took 769 ms [2022-12-14 12:47:32,056 WARN L233 SmtUtils]: Spent 21.15s on a formula simplification. DAG size of input: 252 DAG size of output: 150 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 12:47:32,057 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-12-14 12:47:32,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 2093 [2022-12-14 12:47:32,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:47:32,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:47:32,905 INFO L217 Elim1Store]: Index analysis took 339 ms [2022-12-14 12:47:32,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 89 [2022-12-14 12:47:33,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:47:33,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 12:47:33,058 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:47:33,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:47:33,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2022-12-14 12:47:33,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:47:33,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:47:33,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 57 [2022-12-14 12:47:34,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:47:34,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 12:50:27,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:27,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 12:54:06,227 WARN L233 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 4121 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 12:56:22,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-12-14 12:56:22,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-12-14 12:56:22,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:56:22,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-12-14 12:59:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:59:08,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-12-14 12:59:08,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15