./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS --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 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f --- 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-8393723 [2022-11-19 07:38:08,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:38:08,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:38:08,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:38:08,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:38:08,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:38:08,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:38:08,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:38:08,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:38:08,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:38:08,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:38:08,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:38:08,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:38:08,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:38:08,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:38:08,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:38:08,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:38:08,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:38:08,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:38:08,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:38:08,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:38:08,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:38:08,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:38:08,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:38:08,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:38:08,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:38:08,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:38:08,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:38:08,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:38:08,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:38:08,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:38:08,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:38:08,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:38:08,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:38:08,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:38:08,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:38:08,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:38:08,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:38:08,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:38:08,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:38:08,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:38:08,293 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:38:08,326 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:38:08,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:38:08,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:38:08,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:38:08,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:38:08,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:38:08,330 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:38:08,330 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:38:08,330 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:38:08,331 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:38:08,332 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:38:08,332 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:38:08,333 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:38:08,333 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:38:08,333 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:38:08,333 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:38:08,334 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:38:08,334 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:38:08,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:38:08,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:38:08,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:38:08,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:38:08,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:38:08,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:38:08,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:38:08,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:38:08,337 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:38:08,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:38:08,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:38:08,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:38:08,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:38:08,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:38:08,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:38:08,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:38:08,339 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:38:08,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:38:08,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:38:08,339 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:38:08,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:38:08,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:38:08,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:38:08,340 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_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f [2022-11-19 07:38:08,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:38:08,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:38:08,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:38:08,696 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:38:08,697 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:38:08,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2022-11-19 07:38:08,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/data/bd927ded2/b3d18e49ac7b4076ab215f88c6661b69/FLAG7c7e3d027 [2022-11-19 07:38:09,379 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:38:09,392 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2022-11-19 07:38:09,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/data/bd927ded2/b3d18e49ac7b4076ab215f88c6661b69/FLAG7c7e3d027 [2022-11-19 07:38:09,643 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/data/bd927ded2/b3d18e49ac7b4076ab215f88c6661b69 [2022-11-19 07:38:09,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:38:09,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:38:09,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:38:09,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:38:09,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:38:09,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:09" (1/1) ... [2022-11-19 07:38:09,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4456dd91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:09, skipping insertion in model container [2022-11-19 07:38:09,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:09" (1/1) ... [2022-11-19 07:38:09,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:38:09,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:38:10,196 WARN L234 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_30e4eae8-15fd-4fef-8559-74024132b942/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2022-11-19 07:38:10,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:38:10,330 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:38:10,355 WARN L234 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_30e4eae8-15fd-4fef-8559-74024132b942/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2022-11-19 07:38:10,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:38:10,452 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:38:10,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:10 WrapperNode [2022-11-19 07:38:10,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:38:10,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:38:10,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:38:10,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:38:10,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:10" (1/1) ... [2022-11-19 07:38:10,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:10" (1/1) ... [2022-11-19 07:38:10,567 INFO L138 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 617 [2022-11-19 07:38:10,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:38:10,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:38:10,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:38:10,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:38:10,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:10" (1/1) ... [2022-11-19 07:38:10,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:10" (1/1) ... [2022-11-19 07:38:10,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:10" (1/1) ... [2022-11-19 07:38:10,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:10" (1/1) ... [2022-11-19 07:38:10,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:10" (1/1) ... [2022-11-19 07:38:10,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:10" (1/1) ... [2022-11-19 07:38:10,630 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:10" (1/1) ... [2022-11-19 07:38:10,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:10" (1/1) ... [2022-11-19 07:38:10,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:38:10,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:38:10,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:38:10,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:38:10,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:10" (1/1) ... [2022-11-19 07:38:10,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:38:10,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:38:10,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:38:10,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:38:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:38:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:38:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:38:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:38:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:38:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:38:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:38:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:38:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:38:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:38:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:38:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:38:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:38:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:38:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:38:10,972 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:38:10,974 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:38:12,298 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:38:12,654 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:38:12,655 INFO L300 CfgBuilder]: Removed 31 assume(true) statements. [2022-11-19 07:38:12,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:12 BoogieIcfgContainer [2022-11-19 07:38:12,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:38:12,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:38:12,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:38:12,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:38:12,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:09" (1/3) ... [2022-11-19 07:38:12,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1ebd0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:12, skipping insertion in model container [2022-11-19 07:38:12,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:10" (2/3) ... [2022-11-19 07:38:12,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1ebd0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:12, skipping insertion in model container [2022-11-19 07:38:12,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:12" (3/3) ... [2022-11-19 07:38:12,673 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-1.i [2022-11-19 07:38:12,697 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:38:12,697 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:38:12,774 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:38:12,783 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;@30042da5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:38:12,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:38:12,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 64 states have (on average 1.78125) internal successors, (114), 75 states have internal predecessors, (114), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:38:12,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:38:12,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:12,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:12,797 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:12,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:12,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2109568137, now seen corresponding path program 1 times [2022-11-19 07:38:12,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:12,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886119131] [2022-11-19 07:38:12,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:12,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:13,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:38:13,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:13,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886119131] [2022-11-19 07:38:13,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886119131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:13,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:13,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:38:13,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312118407] [2022-11-19 07:38:13,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:13,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:38:13,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:13,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:38:13,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:38:13,049 INFO L87 Difference]: Start difference. First operand has 81 states, 64 states have (on average 1.78125) internal successors, (114), 75 states have internal predecessors, (114), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:38:15,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:15,066 INFO L93 Difference]: Finished difference Result 209 states and 376 transitions. [2022-11-19 07:38:15,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:38:15,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 07:38:15,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:15,098 INFO L225 Difference]: With dead ends: 209 [2022-11-19 07:38:15,098 INFO L226 Difference]: Without dead ends: 128 [2022-11-19 07:38:15,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:38:15,113 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 49 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:15,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 206 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-19 07:38:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-19 07:38:15,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-19 07:38:15,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:38:15,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-19 07:38:15,161 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-19 07:38:15,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:15,162 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-19 07:38:15,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:38:15,162 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-19 07:38:15,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:38:15,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:15,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:15,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:38:15,167 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:15,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:15,167 INFO L85 PathProgramCache]: Analyzing trace with hash -843316591, now seen corresponding path program 1 times [2022-11-19 07:38:15,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:15,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037866075] [2022-11-19 07:38:15,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:15,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:15,354 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:38:15,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1627369556] [2022-11-19 07:38:15,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:15,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:15,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:38:15,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:38:15,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:38:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:16,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:38:16,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:38:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:38:16,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:38:16,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:38:16,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:16,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037866075] [2022-11-19 07:38:16,406 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:38:16,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627369556] [2022-11-19 07:38:16,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627369556] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:38:16,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2079082703] [2022-11-19 07:38:16,429 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-19 07:38:16,429 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:38:16,433 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:38:16,439 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:38:16,441 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:38:16,621 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 07:38:16,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-19 07:38:16,686 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:38:16,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:38:16,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:16,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:38:16,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:16,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:38:16,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:16,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:38:16,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-19 07:38:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:38:17,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 07:38:17,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:38:17,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:38:17,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:38:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:38:17,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:18,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:18,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:18,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:18,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:18,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:18,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:18,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:18,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:18,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:18,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 07:38:18,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:38:18,093 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:38:26,166 WARN L233 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:38:33,337 WARN L233 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:38:33,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2079082703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:33,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:38:33,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-19 07:38:33,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739661376] [2022-11-19 07:38:33,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:33,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:38:33,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:33,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:38:33,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 07:38:33,350 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:38:36,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:38:36,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:36,253 INFO L93 Difference]: Finished difference Result 170 states and 228 transitions. [2022-11-19 07:38:36,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:38:36,259 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:38:36,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:36,260 INFO L225 Difference]: With dead ends: 170 [2022-11-19 07:38:36,261 INFO L226 Difference]: Without dead ends: 91 [2022-11-19 07:38:36,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 07:38:36,263 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 8 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:36,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 328 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 11 Unchecked, 2.9s Time] [2022-11-19 07:38:36,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-19 07:38:36,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-19 07:38:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:38:36,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-19 07:38:36,285 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-19 07:38:36,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:36,285 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-19 07:38:36,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:38:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-19 07:38:36,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 07:38:36,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:36,288 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] [2022-11-19 07:38:36,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:38:36,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:36,497 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:36,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:36,498 INFO L85 PathProgramCache]: Analyzing trace with hash 2026915386, now seen corresponding path program 1 times [2022-11-19 07:38:36,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:36,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234160024] [2022-11-19 07:38:36,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:36,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:36,561 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:38:36,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [201056583] [2022-11-19 07:38:36,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:36,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:36,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:38:36,563 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:38:36,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:38:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:37,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:38:37,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:38:37,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:38:37,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:38:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:38:37,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:37,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234160024] [2022-11-19 07:38:37,234 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:38:37,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201056583] [2022-11-19 07:38:37,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201056583] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:38:37,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1553842178] [2022-11-19 07:38:37,241 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-19 07:38:37,241 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:38:37,242 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:38:37,242 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:38:37,242 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:38:37,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:38:37,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:38:37,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,305 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:38:37,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-19 07:38:37,351 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:38:37,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:38:37,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:38:37,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 07:38:37,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:38:37,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:38:37,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,777 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 [2022-11-19 07:38:37,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 07:38:37,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:38:37,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:37,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:38:38,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:38:38,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:38:38,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:38,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:38:38,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:38:38,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:38:38,243 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 07:38:38,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-19 07:38:38,323 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:38:38,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 07:38:39,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:38:39,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 07:38:39,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:38:39,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:38:39,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:38:39,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:38:39,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:38:39,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:38:39,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:38:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:39,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:38:39,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:38:39,832 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 07:38:39,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-19 07:38:39,912 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:38:39,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 07:38:40,032 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-19 07:38:40,150 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:38:48,307 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:38:57,854 WARN L233 SmtUtils]: Spent 7.43s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:39:07,469 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:39:20,008 WARN L233 SmtUtils]: Spent 6.39s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:39:34,212 WARN L233 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:39:35,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1553842178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:39:35,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:39:35,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-19 07:39:35,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354759749] [2022-11-19 07:39:35,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:39:35,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 07:39:35,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:39:35,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 07:39:35,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-19 07:39:35,097 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:39:37,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:39:37,081 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-19 07:39:37,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 07:39:37,089 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 44 [2022-11-19 07:39:37,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:39:37,090 INFO L225 Difference]: With dead ends: 175 [2022-11-19 07:39:37,090 INFO L226 Difference]: Without dead ends: 96 [2022-11-19 07:39:37,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 54.9s TimeCoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-19 07:39:37,092 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 15 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 134 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:39:37,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 373 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 134 Unchecked, 1.9s Time] [2022-11-19 07:39:37,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-19 07:39:37,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-19 07:39:37,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-19 07:39:37,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-19 07:39:37,122 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-19 07:39:37,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:39:37,122 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-19 07:39:37,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:39:37,123 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-19 07:39:37,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 07:39:37,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:39:37,124 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] [2022-11-19 07:39:37,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:39:37,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:37,332 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:39:37,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:39:37,333 INFO L85 PathProgramCache]: Analyzing trace with hash -2018622722, now seen corresponding path program 1 times [2022-11-19 07:39:37,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:39:37,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033395854] [2022-11-19 07:39:37,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:37,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:39:37,398 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:39:37,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974348179] [2022-11-19 07:39:37,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:37,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:37,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:39:37,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:39:37,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e4eae8-15fd-4fef-8559-74024132b942/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:39:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:37,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:39:37,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:39:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:39:38,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:39:38,145 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:39:38,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:39:38,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033395854] [2022-11-19 07:39:38,145 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:39:38,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974348179] [2022-11-19 07:39:38,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974348179] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:39:38,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1214054443] [2022-11-19 07:39:38,148 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-19 07:39:38,149 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:39:38,149 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:39:38,149 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:39:38,149 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:39:38,233 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:39:38,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:39:38,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 07:39:38,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:39:38,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:39:38,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:39:38,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-19 07:39:38,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:39:38,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 07:39:38,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:39:38,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:39:38,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:39:38,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:39:38,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:38,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:39:38,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:39:39,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:39:39,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:39:39,124 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:39:39,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 07:39:39,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-19 07:39:39,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:39:39,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:39:39,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:39:39,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:39:39,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 07:39:39,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:39:39,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:39:39,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:39:39,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:39:39,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:39:39,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 07:39:39,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:39:39,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:39:39,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:39,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 07:39:39,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:39:39,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:39:41,986 INFO L217 Elim1Store]: Index analysis took 390 ms [2022-11-19 07:39:52,519 WARN L233 SmtUtils]: Spent 10.53s on a formula simplification. DAG size of input: 60 DAG size of output: 18 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:39:52,520 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-19 07:39:52,520 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 10752658 treesize of output 10752661 [2022-11-19 07:39:54,520 INFO L217 Elim1Store]: Index analysis took 1707 ms [2022-11-19 07:39:57,411 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-19 07:39:57,412 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 10752663 treesize of output 10752665 [2022-11-19 07:40:07,186 WARN L233 SmtUtils]: Spent 9.52s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:40:07,187 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 07:40:07,187 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 1481 [2022-11-19 07:40:26,602 WARN L233 SmtUtils]: Spent 19.21s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:40:26,603 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 07:40:26,604 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 1819 [2022-11-19 07:40:27,432 INFO L217 Elim1Store]: Index analysis took 546 ms [2022-11-19 07:40:47,167 WARN L233 SmtUtils]: Spent 19.20s 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) [2022-11-19 07:40:47,168 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-11-19 07:40:47,169 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 [2022-11-19 07:40:48,150 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:40:48,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:40:48,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:40:48,652 INFO L217 Elim1Store]: Index analysis took 377 ms [2022-11-19 07:40:48,654 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 99 [2022-11-19 07:40:48,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:48,877 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 [2022-11-19 07:40:51,354 INFO L217 Elim1Store]: Index analysis took 1978 ms [2022-11-19 07:40:52,040 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-19 07:40:52,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 75 [2022-11-19 07:40:52,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:40:55,242 INFO L217 Elim1Store]: Index analysis took 2618 ms [2022-11-19 07:40:56,124 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:40:56,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 98 [2022-11-19 07:41:01,340 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 26 treesize of output 13 [2022-11-19 07:41:02,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:02,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:41:02,511 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 [2022-11-19 07:41:02,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:02,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-11-19 07:41:03,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:03,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:03,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:03,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-11-19 07:41:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:03,995 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 [2022-11-19 07:41:04,948 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:41:05,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:41:05,479 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:41:05,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:41:05,529 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:41:06,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:41:06,095 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:41:06,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:41:06,621 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:41:06,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:06,992 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 [2022-11-19 07:41:07,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:07,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:07,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-11-19 07:41:08,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 119 [2022-11-19 07:41:08,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2022-11-19 07:41:08,440 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 [2022-11-19 07:41:08,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:08,524 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