./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:12:29,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:12:29,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:12:29,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:12:29,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:12:29,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:12:29,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:12:29,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:12:29,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:12:29,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:12:29,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:12:29,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:12:29,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:12:29,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:12:29,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:12:29,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:12:29,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:12:29,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:12:29,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:12:29,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:12:29,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:12:29,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:12:29,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:12:29,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:12:29,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:12:29,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:12:29,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:12:29,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:12:29,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:12:29,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:12:29,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:12:29,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:12:29,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:12:29,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:12:29,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:12:29,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:12:29,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:12:29,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:12:29,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:12:29,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:12:29,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:12:29,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:12:29,376 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:12:29,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:12:29,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:12:29,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:12:29,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:12:29,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:12:29,379 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:12:29,380 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:12:29,380 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:12:29,380 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:12:29,381 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:12:29,381 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:12:29,381 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:12:29,382 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:12:29,382 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:12:29,382 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:12:29,383 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:12:29,383 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:12:29,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:12:29,384 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:12:29,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:12:29,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:12:29,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:12:29,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:12:29,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:12:29,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:12:29,387 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:12:29,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:12:29,387 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:12:29,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:12:29,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:12:29,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:12:29,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:12:29,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:12:29,389 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:12:29,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:12:29,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:12:29,390 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:12:29,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:12:29,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:12:29,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:12:29,392 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_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 [2022-11-23 15:12:29,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:12:29,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:12:29,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:12:29,709 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:12:29,709 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:12:29,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2022-11-23 15:12:32,838 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:12:33,330 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:12:33,331 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2022-11-23 15:12:33,349 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/data/4c0e08eb9/e39adf5c5bf6460881fbc39b9cd337ac/FLAG58ab6c80e [2022-11-23 15:12:33,367 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/data/4c0e08eb9/e39adf5c5bf6460881fbc39b9cd337ac [2022-11-23 15:12:33,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:12:33,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:12:33,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:12:33,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:12:33,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:12:33,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:12:33" (1/1) ... [2022-11-23 15:12:33,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b2e6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:33, skipping insertion in model container [2022-11-23 15:12:33,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:12:33" (1/1) ... [2022-11-23 15:12:33,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:12:33,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:12:34,002 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_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[33021,33034] [2022-11-23 15:12:34,169 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_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[49681,49694] [2022-11-23 15:12:34,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:12:34,205 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:12:34,244 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_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[33021,33034] [2022-11-23 15:12:34,380 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_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[49681,49694] [2022-11-23 15:12:34,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:12:34,461 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:12:34,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:34 WrapperNode [2022-11-23 15:12:34,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:12:34,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:12:34,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:12:34,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:12:34,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:34" (1/1) ... [2022-11-23 15:12:34,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:34" (1/1) ... [2022-11-23 15:12:34,668 INFO L138 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1686 [2022-11-23 15:12:34,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:12:34,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:12:34,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:12:34,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:12:34,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:34" (1/1) ... [2022-11-23 15:12:34,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:34" (1/1) ... [2022-11-23 15:12:34,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:34" (1/1) ... [2022-11-23 15:12:34,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:34" (1/1) ... [2022-11-23 15:12:34,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:34" (1/1) ... [2022-11-23 15:12:34,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:34" (1/1) ... [2022-11-23 15:12:34,893 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:34" (1/1) ... [2022-11-23 15:12:34,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:34" (1/1) ... [2022-11-23 15:12:34,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:12:34,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:12:34,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:12:34,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:12:34,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:34" (1/1) ... [2022-11-23 15:12:34,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:12:34,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:12:34,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:12:34,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:12:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:12:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 15:12:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 15:12:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:12:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:12:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 15:12:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:12:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:12:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:12:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:12:34,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:12:35,374 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:12:35,377 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:12:37,757 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:12:38,447 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:12:38,447 INFO L300 CfgBuilder]: Removed 100 assume(true) statements. [2022-11-23 15:12:38,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:38 BoogieIcfgContainer [2022-11-23 15:12:38,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:12:38,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:12:38,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:12:38,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:12:38,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:12:33" (1/3) ... [2022-11-23 15:12:38,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a86b3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:12:38, skipping insertion in model container [2022-11-23 15:12:38,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:34" (2/3) ... [2022-11-23 15:12:38,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a86b3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:12:38, skipping insertion in model container [2022-11-23 15:12:38,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:38" (3/3) ... [2022-11-23 15:12:38,469 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-3.i [2022-11-23 15:12:38,495 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:12:38,495 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:12:38,595 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:12:38,606 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;@5209c3f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:12:38,606 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:12:38,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 161 states have (on average 1.813664596273292) internal successors, (292), 168 states have internal predecessors, (292), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 15:12:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 15:12:38,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:12:38,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 15:12:38,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:12:38,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:12:38,630 INFO L85 PathProgramCache]: Analyzing trace with hash 274883441, now seen corresponding path program 1 times [2022-11-23 15:12:38,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:12:38,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248303998] [2022-11-23 15:12:38,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:38,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:12:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:38,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:12:38,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248303998] [2022-11-23 15:12:38,824 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-23 15:12:38,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863147429] [2022-11-23 15:12:38,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:38,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:12:38,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:12:38,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:12:38,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:12:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:39,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 15:12:39,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:12:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:12:39,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:12:39,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863147429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:12:39,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:12:39,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:12:39,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916052365] [2022-11-23 15:12:39,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:12:39,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:12:39,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:12:39,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:12:39,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:12:39,269 INFO L87 Difference]: Start difference. First operand has 177 states, 161 states have (on average 1.813664596273292) internal successors, (292), 168 states have internal predecessors, (292), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:12:40,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:12:40,341 INFO L93 Difference]: Finished difference Result 353 states and 632 transitions. [2022-11-23 15:12:40,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:12:40,349 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-23 15:12:40,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:12:40,359 INFO L225 Difference]: With dead ends: 353 [2022-11-23 15:12:40,359 INFO L226 Difference]: Without dead ends: 150 [2022-11-23 15:12:40,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:12:40,366 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:12:40,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 15:12:40,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-23 15:12:40,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-11-23 15:12:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 135 states have (on average 1.1925925925925926) internal successors, (161), 141 states have internal predecessors, (161), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 15:12:40,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 183 transitions. [2022-11-23 15:12:40,422 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 183 transitions. Word has length 6 [2022-11-23 15:12:40,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:12:40,422 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 183 transitions. [2022-11-23 15:12:40,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:12:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2022-11-23 15:12:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 15:12:40,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:12:40,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:12:40,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:12:40,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-23 15:12:40,636 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:12:40,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:12:40,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1671934868, now seen corresponding path program 1 times [2022-11-23 15:12:40,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:12:40,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751915535] [2022-11-23 15:12:40,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:40,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:12:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:40,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:12:40,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751915535] [2022-11-23 15:12:40,678 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-23 15:12:40,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516792546] [2022-11-23 15:12:40,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:40,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:12:40,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:12:40,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:12:40,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:12:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:41,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:12:41,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:12:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:12:41,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:12:41,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516792546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:12:41,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:12:41,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:12:41,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226155352] [2022-11-23 15:12:41,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:12:41,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:12:41,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:12:41,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:12:41,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:12:41,049 INFO L87 Difference]: Start difference. First operand 150 states and 183 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:12:43,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:12:43,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:12:43,491 INFO L93 Difference]: Finished difference Result 342 states and 425 transitions. [2022-11-23 15:12:43,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:12:43,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-23 15:12:43,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:12:43,501 INFO L225 Difference]: With dead ends: 342 [2022-11-23 15:12:43,501 INFO L226 Difference]: Without dead ends: 290 [2022-11-23 15:12:43,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:12:43,503 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 149 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:12:43,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 335 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-23 15:12:43,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-11-23 15:12:43,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2022-11-23 15:12:43,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 15:12:43,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2022-11-23 15:12:43,525 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 17 [2022-11-23 15:12:43,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:12:43,525 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2022-11-23 15:12:43,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:12:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2022-11-23 15:12:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-23 15:12:43,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:12:43,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:12:43,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:12:43,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-23 15:12:43,735 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:12:43,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:12:43,735 INFO L85 PathProgramCache]: Analyzing trace with hash 700872651, now seen corresponding path program 1 times [2022-11-23 15:12:43,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:12:43,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329722152] [2022-11-23 15:12:43,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:43,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:12:43,985 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:12:43,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346379238] [2022-11-23 15:12:43,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:43,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:12:43,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:12:43,987 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:12:44,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:12:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:45,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 3112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:12:45,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:12:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:12:45,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:12:45,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:12:45,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:12:45,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329722152] [2022-11-23 15:12:45,795 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:12:45,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346379238] [2022-11-23 15:12:45,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346379238] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:12:45,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [347254775] [2022-11-23 15:12:45,820 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-23 15:12:45,820 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:12:45,838 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:12:45,845 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:12:45,846 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:12:46,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:46,219 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 15:12:46,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-23 15:12:46,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:46,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-23 15:12:46,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:46,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:12:46,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:46,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:12:46,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:46,355 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:12:46,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-23 15:12:46,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:46,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:46,428 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:12:46,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-23 15:12:46,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:46,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:12:46,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:46,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:46,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-23 15:12:47,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 15:12:47,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 15:12:47,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 15:12:47,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 15:12:47,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 15:12:47,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 15:12:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 15:12:47,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:47,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 15:12:47,985 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:12:55,549 WARN L233 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:13:04,092 WARN L233 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:13:04,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [347254775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:13:04,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:13:04,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-23 15:13:04,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349821279] [2022-11-23 15:13:04,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:13:04,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:13:04,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:13:04,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:13:04,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=69, Unknown=1, NotChecked=0, Total=132 [2022-11-23 15:13:04,100 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:13:06,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:13:08,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:13:17,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:13:17,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:13:17,268 INFO L93 Difference]: Finished difference Result 310 states and 378 transitions. [2022-11-23 15:13:17,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:13:17,269 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-11-23 15:13:17,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:13:17,271 INFO L225 Difference]: With dead ends: 310 [2022-11-23 15:13:17,271 INFO L226 Difference]: Without dead ends: 161 [2022-11-23 15:13:17,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=62, Invalid=69, Unknown=1, NotChecked=0, Total=132 [2022-11-23 15:13:17,279 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 14 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:13:17,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 602 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 314 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2022-11-23 15:13:17,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-23 15:13:17,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-11-23 15:13:17,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 15:13:17,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2022-11-23 15:13:17,319 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2022-11-23 15:13:17,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:13:17,320 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2022-11-23 15:13:17,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:13:17,320 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2022-11-23 15:13:17,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-23 15:13:17,323 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:13:17,324 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:13:17,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:13:17,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:13:17,540 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:13:17,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:13:17,540 INFO L85 PathProgramCache]: Analyzing trace with hash -385397690, now seen corresponding path program 1 times [2022-11-23 15:13:17,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:13:17,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527900391] [2022-11-23 15:13:17,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:13:17,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:13:17,736 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:13:17,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2045066934] [2022-11-23 15:13:17,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:13:17,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:13:17,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:13:17,738 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:13:17,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:13:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:13:19,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:13:19,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:13:19,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:13:19,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:13:19,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:13:19,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:13:19,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527900391] [2022-11-23 15:13:19,268 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:13:19,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045066934] [2022-11-23 15:13:19,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045066934] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:13:19,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [681523486] [2022-11-23 15:13:19,273 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-23 15:13:19,273 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:13:19,274 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:13:19,274 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:13:19,275 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:13:19,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,394 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 15:13:19,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-23 15:13:19,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-23 15:13:19,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,464 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 15:13:19,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-23 15:13:19,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:13:19,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,529 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:13:19,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-23 15:13:19,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:13:19,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-23 15:13:19,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:13:19,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 15:13:19,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 15:13:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:19,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 15:13:20,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-23 15:13:20,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 15:13:20,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 15:13:20,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:13:20,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:13:20,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:13:20,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 15:13:20,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 15:13:20,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,551 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 15:13:20,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-23 15:13:20,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,646 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 15:13:20,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-23 15:13:21,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 15:13:21,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 15:13:21,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 15:13:21,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-23 15:13:21,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-23 15:13:21,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-23 15:13:21,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 15:13:21,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 15:13:21,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 15:13:21,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:21,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:13:21,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 15:13:22,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:22,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:22,147 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 15:13:22,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-23 15:13:22,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:22,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:22,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:22,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-11-23 15:13:22,588 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 253 for LOIs [2022-11-23 15:13:22,762 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:13:29,901 WARN L233 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:13:37,374 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:13:48,519 WARN L233 SmtUtils]: Spent 6.98s on a formula simplification. DAG size of input: 262 DAG size of output: 248 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:14:01,051 WARN L233 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:14:17,642 WARN L233 SmtUtils]: Spent 10.38s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:14:18,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [681523486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:14:18,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:14:18,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-23 15:14:18,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915496062] [2022-11-23 15:14:18,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:14:18,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:14:18,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:14:18,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:14:18,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-23 15:14:18,345 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:14:20,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:14:23,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:14:25,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:14:27,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:14:29,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:14:31,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:14:33,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:14:35,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:14:37,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:14:41,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:14:44,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:14:46,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:14:48,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:14:49,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:14:52,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:14:54,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:14:54,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:14:54,618 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2022-11-23 15:14:54,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:14:54,619 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2022-11-23 15:14:54,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:14:54,620 INFO L225 Difference]: With dead ends: 315 [2022-11-23 15:14:54,620 INFO L226 Difference]: Without dead ends: 166 [2022-11-23 15:14:54,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 55.6s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-23 15:14:54,622 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 10 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 6 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:14:54,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 611 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 376 Invalid, 11 Unknown, 0 Unchecked, 36.2s Time] [2022-11-23 15:14:54,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-23 15:14:54,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-11-23 15:14:54,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-23 15:14:54,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2022-11-23 15:14:54,654 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2022-11-23 15:14:54,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:14:54,655 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2022-11-23 15:14:54,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:14:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2022-11-23 15:14:54,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-23 15:14:54,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:14:54,658 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:14:54,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:14:54,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:14:54,871 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:14:54,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:14:54,871 INFO L85 PathProgramCache]: Analyzing trace with hash -102741374, now seen corresponding path program 1 times [2022-11-23 15:14:54,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:14:54,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467999228] [2022-11-23 15:14:54,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:14:54,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:14:55,044 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:14:55,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [180997276] [2022-11-23 15:14:55,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:14:55,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:14:55,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:14:55,052 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:14:55,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b817a47-5d6a-41b3-ab40-3a3dd08e95e6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:14:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:14:56,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:14:56,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:14:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:14:56,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:14:56,627 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:14:56,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:14:56,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467999228] [2022-11-23 15:14:56,627 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:14:56,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180997276] [2022-11-23 15:14:56,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180997276] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:14:56,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [18919105] [2022-11-23 15:14:56,632 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-23 15:14:56,632 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:14:56,632 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:14:56,633 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:14:56,633 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:14:56,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:56,734 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 15:14:56,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-23 15:14:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:56,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-23 15:14:56,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:56,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:14:56,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:56,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:56,817 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 15:14:56,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-23 15:14:56,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:56,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:56,868 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:14:56,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-23 15:14:56,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:56,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:14:56,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-23 15:14:56,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:56,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:14:57,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 15:14:57,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 15:14:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 15:14:57,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 15:14:57,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 15:14:57,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:14:57,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:14:57,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 15:14:57,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 15:14:57,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,724 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 15:14:57,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-23 15:14:57,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,823 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 15:14:57,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-23 15:14:57,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:57,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:14:57,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 15:14:58,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:14:58,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-23 15:14:58,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:14:58,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-23 15:14:58,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-23 15:14:58,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-23 15:14:58,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-23 15:14:58,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:14:58,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:14:58,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-23 15:14:58,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 15:14:58,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 15:14:58,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:58,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-23 15:14:58,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 15:14:58,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 15:15:00,529 INFO L217 Elim1Store]: Index analysis took 1696 ms [2022-11-23 15:15:08,949 WARN L233 SmtUtils]: Spent 8.42s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:15:08,950 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-23 15:15:08,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 10752723 treesize of output 10752742 [2022-11-23 15:15:10,277 INFO L217 Elim1Store]: Index analysis took 1181 ms [2022-11-23 15:15:13,571 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-23 15:15:13,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 10752718 treesize of output 10752722 [2022-11-23 15:18:59,389 WARN L233 SmtUtils]: Spent 3.76m on a formula simplification. DAG size of input: 198 DAG size of output: 104 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:18:59,390 INFO L321 Elim1Store]: treesize reduction 1636, result has 23.4 percent of original size [2022-11-23 15:18:59,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 7904 treesize of output 5832 [2022-11-23 15:18:59,951 INFO L217 Elim1Store]: Index analysis took 232 ms [2022-11-23 15:20:32,114 WARN L233 SmtUtils]: Spent 1.54m on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:20:32,115 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 15:20:32,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 7135 treesize of output 5975 [2022-11-23 15:20:37,686 INFO L217 Elim1Store]: Index analysis took 3133 ms