./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array7_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array7_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba --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 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa --- 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-b5237d8 [2022-11-22 02:34:09,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:34:09,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:34:09,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:34:09,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:34:09,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:34:09,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:34:09,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:34:09,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:34:09,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:34:09,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:34:09,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:34:09,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:34:09,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:34:09,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:34:09,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:34:09,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:34:09,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:34:09,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:34:09,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:34:09,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:34:09,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:34:09,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:34:09,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:34:09,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:34:09,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:34:09,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:34:09,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:34:09,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:34:09,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:34:09,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:34:09,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:34:09,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:34:09,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:34:09,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:34:09,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:34:09,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:34:09,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:34:09,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:34:09,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:34:09,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:34:09,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-22 02:34:09,277 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:34:09,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:34:09,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:34:09,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:34:09,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:34:09,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:34:09,285 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:34:09,285 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:34:09,285 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:34:09,286 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:34:09,287 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:34:09,287 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:34:09,288 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:34:09,288 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:34:09,288 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:34:09,289 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:34:09,289 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:34:09,289 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:34:09,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:34:09,291 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:34:09,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:34:09,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:34:09,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:34:09,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:34:09,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:34:09,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:34:09,294 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:34:09,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:34:09,295 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:34:09,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:34:09,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:34:09,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:34:09,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:34:09,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:34:09,297 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:34:09,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:34:09,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:34:09,298 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:34:09,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:34:09,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:34:09,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:34:09,300 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_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa [2022-11-22 02:34:09,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:34:09,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:34:09,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:34:09,649 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:34:09,650 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:34:09,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/array-patterns/array7_pattern.c [2022-11-22 02:34:12,764 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:34:12,973 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:34:12,973 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/sv-benchmarks/c/array-patterns/array7_pattern.c [2022-11-22 02:34:12,980 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/data/f5c621879/8fa97b33c6de4189a1db0608c61f9786/FLAG69337577c [2022-11-22 02:34:12,998 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/data/f5c621879/8fa97b33c6de4189a1db0608c61f9786 [2022-11-22 02:34:13,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:34:13,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:34:13,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:34:13,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:34:13,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:34:13,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:34:12" (1/1) ... [2022-11-22 02:34:13,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff4196d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13, skipping insertion in model container [2022-11-22 02:34:13,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:34:12" (1/1) ... [2022-11-22 02:34:13,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:34:13,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:34:13,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2022-11-22 02:34:13,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:34:13,233 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:34:13,246 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2022-11-22 02:34:13,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:34:13,270 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:34:13,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13 WrapperNode [2022-11-22 02:34:13,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:34:13,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:34:13,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:34:13,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:34:13,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13" (1/1) ... [2022-11-22 02:34:13,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13" (1/1) ... [2022-11-22 02:34:13,307 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-11-22 02:34:13,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:34:13,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:34:13,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:34:13,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:34:13,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13" (1/1) ... [2022-11-22 02:34:13,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13" (1/1) ... [2022-11-22 02:34:13,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13" (1/1) ... [2022-11-22 02:34:13,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13" (1/1) ... [2022-11-22 02:34:13,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13" (1/1) ... [2022-11-22 02:34:13,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13" (1/1) ... [2022-11-22 02:34:13,333 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13" (1/1) ... [2022-11-22 02:34:13,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13" (1/1) ... [2022-11-22 02:34:13,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:34:13,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:34:13,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:34:13,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:34:13,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13" (1/1) ... [2022-11-22 02:34:13,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:34:13,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:34:13,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:34:13,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:34:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:34:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:34:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:34:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:34:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:34:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:34:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:34:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:34:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:34:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:34:13,498 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:34:13,500 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:34:13,691 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:34:13,721 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:34:13,722 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-22 02:34:13,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:34:13 BoogieIcfgContainer [2022-11-22 02:34:13,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:34:13,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:34:13,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:34:13,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:34:13,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:34:12" (1/3) ... [2022-11-22 02:34:13,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779185c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:34:13, skipping insertion in model container [2022-11-22 02:34:13,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:13" (2/3) ... [2022-11-22 02:34:13,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779185c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:34:13, skipping insertion in model container [2022-11-22 02:34:13,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:34:13" (3/3) ... [2022-11-22 02:34:13,744 INFO L112 eAbstractionObserver]: Analyzing ICFG array7_pattern.c [2022-11-22 02:34:13,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:34:13,798 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:34:13,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:34:13,878 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;@61a25d28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:34:13,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:34:13,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:34:13,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 02:34:13,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:13,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:13,892 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:34:13,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:13,898 INFO L85 PathProgramCache]: Analyzing trace with hash 283687338, now seen corresponding path program 1 times [2022-11-22 02:34:13,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:13,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287880218] [2022-11-22 02:34:13,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:13,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:14,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:34:14,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:14,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287880218] [2022-11-22 02:34:14,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287880218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:14,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:14,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:34:14,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576383472] [2022-11-22 02:34:14,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:14,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 02:34:14,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:14,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 02:34:14,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:34:14,136 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:34:14,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:14,208 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2022-11-22 02:34:14,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 02:34:14,214 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-22 02:34:14,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:14,221 INFO L225 Difference]: With dead ends: 25 [2022-11-22 02:34:14,221 INFO L226 Difference]: Without dead ends: 16 [2022-11-22 02:34:14,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:34:14,227 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:14,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:34:14,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-22 02:34:14,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-22 02:34:14,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:34:14,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2022-11-22 02:34:14,302 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 11 [2022-11-22 02:34:14,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:14,320 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2022-11-22 02:34:14,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:34:14,321 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-11-22 02:34:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 02:34:14,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:14,322 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:14,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:34:14,323 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:34:14,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:14,324 INFO L85 PathProgramCache]: Analyzing trace with hash -986236554, now seen corresponding path program 1 times [2022-11-22 02:34:14,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:14,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089982196] [2022-11-22 02:34:14,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:14,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:14,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 02:34:14,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:14,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089982196] [2022-11-22 02:34:14,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089982196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:14,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:14,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:34:14,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699865687] [2022-11-22 02:34:14,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:14,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:34:14,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:14,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:34:14,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:34:14,785 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 02:34:14,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:14,840 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-11-22 02:34:14,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:34:14,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2022-11-22 02:34:14,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:14,842 INFO L225 Difference]: With dead ends: 20 [2022-11-22 02:34:14,842 INFO L226 Difference]: Without dead ends: 17 [2022-11-22 02:34:14,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:34:14,844 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:14,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 33 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:34:14,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-22 02:34:14,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-22 02:34:14,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:34:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-11-22 02:34:14,852 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 19 [2022-11-22 02:34:14,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:14,852 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-22 02:34:14,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 02:34:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-11-22 02:34:14,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 02:34:14,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:14,854 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:14,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:34:14,855 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:34:14,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:14,855 INFO L85 PathProgramCache]: Analyzing trace with hash -508795631, now seen corresponding path program 1 times [2022-11-22 02:34:14,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:14,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660745251] [2022-11-22 02:34:14,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:14,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:15,067 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 02:34:15,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:15,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660745251] [2022-11-22 02:34:15,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660745251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:15,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:15,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:34:15,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454618884] [2022-11-22 02:34:15,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:15,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:34:15,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:15,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:34:15,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:34:15,071 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 02:34:15,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:15,123 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2022-11-22 02:34:15,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:34:15,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2022-11-22 02:34:15,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:15,124 INFO L225 Difference]: With dead ends: 31 [2022-11-22 02:34:15,125 INFO L226 Difference]: Without dead ends: 18 [2022-11-22 02:34:15,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:34:15,127 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 7 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:15,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 39 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:34:15,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-22 02:34:15,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-22 02:34:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:34:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2022-11-22 02:34:15,134 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 20 [2022-11-22 02:34:15,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:15,134 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-11-22 02:34:15,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 02:34:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-22 02:34:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-22 02:34:15,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:15,136 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:15,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:34:15,137 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:34:15,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:15,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1093349104, now seen corresponding path program 1 times [2022-11-22 02:34:15,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:15,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796650530] [2022-11-22 02:34:15,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:15,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:15,166 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:34:15,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [654737977] [2022-11-22 02:34:15,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:15,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:34:15,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:34:15,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:34:15,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73aad00f-5b17-4dcb-b3ec-aadf1fbc57b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:34:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:15,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-22 02:34:15,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:34:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 02:34:15,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:34:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 02:34:15,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:15,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796650530] [2022-11-22 02:34:15,858 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:34:15,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654737977] [2022-11-22 02:34:15,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654737977] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:34:15,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [682920519] [2022-11-22 02:34:15,897 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-22 02:34:15,898 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:34:15,901 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:34:15,908 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:34:15,909 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:34:16,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,155 INFO L321 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2022-11-22 02:34:16,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 44 treesize of output 69 [2022-11-22 02:34:16,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-22 02:34:16,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:34:16,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2022-11-22 02:34:16,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:34:16,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:34:16,514 INFO L321 Elim1Store]: treesize reduction 150, result has 15.3 percent of original size [2022-11-22 02:34:16,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 case distinctions, treesize of input 393 treesize of output 374 [2022-11-22 02:34:16,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:34:16,694 INFO L321 Elim1Store]: treesize reduction 22, result has 51.1 percent of original size [2022-11-22 02:34:16,695 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 1 case distinctions, treesize of input 58 treesize of output 40 [2022-11-22 02:34:16,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:34:17,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:34:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:34:17,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:17,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:34:17,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:34:17,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:34:17,825 INFO L321 Elim1Store]: treesize reduction 228, result has 35.4 percent of original size [2022-11-22 02:34:17,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 16 new quantified variables, introduced 24 case distinctions, treesize of input 1198 treesize of output 2103 [2022-11-22 02:37:07,817 WARN L233 SmtUtils]: Spent 2.66m on a formula simplification. DAG size of input: 347 DAG size of output: 177 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 02:37:07,818 INFO L321 Elim1Store]: treesize reduction 714, result has 43.4 percent of original size [2022-11-22 02:37:07,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 37 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 38 new quantified variables, introduced 75 case distinctions, treesize of input 19348 treesize of output 57091 [2022-11-22 02:38:27,275 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:38:28,372 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:38:29,010 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:38:31,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:38:32,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:38:32,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:38:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:38:33,166 INFO L217 Elim1Store]: Index analysis took 2027 ms [2022-11-22 02:38:33,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 142 [2022-11-22 02:39:21,381 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:40:51,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:41:07,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:44:21,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:45:10,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:45:35,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:46:03,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:46:04,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:46:20,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:41,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:49:22,968 INFO L173 IndexEqualityManager]: detected equality via solver