./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c --- 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-38b53e6 [2022-11-26 00:10:22,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:10:22,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:10:22,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:10:22,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:10:22,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:10:22,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:10:22,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:10:22,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:10:22,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:10:22,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:10:22,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:10:22,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:10:22,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:10:22,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:10:22,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:10:22,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:10:22,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:10:22,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:10:22,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:10:22,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:10:22,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:10:22,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:10:22,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:10:22,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:10:22,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:10:22,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:10:22,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:10:22,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:10:22,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:10:22,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:10:22,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:10:22,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:10:22,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:10:22,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:10:22,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:10:22,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:10:22,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:10:22,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:10:22,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:10:22,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:10:22,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:10:22,403 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:10:22,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:10:22,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:10:22,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:10:22,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:10:22,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:10:22,406 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:10:22,406 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:10:22,406 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:10:22,406 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:10:22,407 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:10:22,407 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:10:22,408 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:10:22,408 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:10:22,408 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:10:22,408 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:10:22,408 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:10:22,408 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:10:22,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:10:22,410 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:10:22,410 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:10:22,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:10:22,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:10:22,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:10:22,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:10:22,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:10:22,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:10:22,412 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:10:22,412 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:10:22,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:10:22,412 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:10:22,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:10:22,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:10:22,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:10:22,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:10:22,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:10:22,414 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:10:22,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:10:22,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:10:22,414 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:10:22,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:10:22,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:10:22,415 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:10:22,415 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_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c [2022-11-26 00:10:22,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:10:22,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:10:22,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:10:22,741 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:10:22,741 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:10:22,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2022-11-26 00:10:25,736 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:10:26,048 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:10:26,049 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2022-11-26 00:10:26,075 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/data/f5ba5258f/20636211b2b84b35b3acd650f3ee808e/FLAG7ee605bb6 [2022-11-26 00:10:26,094 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/data/f5ba5258f/20636211b2b84b35b3acd650f3ee808e [2022-11-26 00:10:26,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:10:26,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:10:26,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:10:26,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:10:26,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:10:26,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:10:26" (1/1) ... [2022-11-26 00:10:26,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f778be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:26, skipping insertion in model container [2022-11-26 00:10:26,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:10:26" (1/1) ... [2022-11-26 00:10:26,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:10:26,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:10:26,667 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_eed6d743-4522-4f51-a5c5-4e309607d930/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2022-11-26 00:10:26,823 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:10:26,849 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_eed6d743-4522-4f51-a5c5-4e309607d930/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2022-11-26 00:10:26,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:10:26,872 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:10:26,911 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_eed6d743-4522-4f51-a5c5-4e309607d930/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2022-11-26 00:10:26,965 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:10:26,982 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_eed6d743-4522-4f51-a5c5-4e309607d930/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2022-11-26 00:10:26,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:10:27,074 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:10:27,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:27 WrapperNode [2022-11-26 00:10:27,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:10:27,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:10:27,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:10:27,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:10:27,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:27" (1/1) ... [2022-11-26 00:10:27,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:27" (1/1) ... [2022-11-26 00:10:27,180 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1030 [2022-11-26 00:10:27,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:10:27,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:10:27,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:10:27,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:10:27,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:27" (1/1) ... [2022-11-26 00:10:27,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:27" (1/1) ... [2022-11-26 00:10:27,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:27" (1/1) ... [2022-11-26 00:10:27,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:27" (1/1) ... [2022-11-26 00:10:27,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:27" (1/1) ... [2022-11-26 00:10:27,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:27" (1/1) ... [2022-11-26 00:10:27,303 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:27" (1/1) ... [2022-11-26 00:10:27,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:27" (1/1) ... [2022-11-26 00:10:27,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:10:27,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:10:27,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:10:27,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:10:27,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:27" (1/1) ... [2022-11-26 00:10:27,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:10:27,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:10:27,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:10:27,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:10:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:10:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:10:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:10:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:10:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:10:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:10:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:10:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:10:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:10:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:10:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:10:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:10:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:10:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:10:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:10:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:10:27,663 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:10:27,679 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:10:29,371 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:10:29,820 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:10:29,820 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-26 00:10:29,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:10:29 BoogieIcfgContainer [2022-11-26 00:10:29,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:10:29,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:10:29,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:10:29,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:10:29,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:10:26" (1/3) ... [2022-11-26 00:10:29,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7368e6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:10:29, skipping insertion in model container [2022-11-26 00:10:29,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:27" (2/3) ... [2022-11-26 00:10:29,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7368e6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:10:29, skipping insertion in model container [2022-11-26 00:10:29,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:10:29" (3/3) ... [2022-11-26 00:10:29,837 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test3-1.i [2022-11-26 00:10:29,856 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:10:29,856 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-26 00:10:29,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:10:29,933 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;@7c450206, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:10:29,933 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-26 00:10:29,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:10:29,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:10:29,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:29,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:10:29,948 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:10:29,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:29,954 INFO L85 PathProgramCache]: Analyzing trace with hash 26079428, now seen corresponding path program 1 times [2022-11-26 00:10:29,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:29,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43251122] [2022-11-26 00:10:29,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:29,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:30,080 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:10:30,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [513493714] [2022-11-26 00:10:30,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:30,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:10:30,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:10:30,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:10:30,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:10:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:30,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-26 00:10:30,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:10:30,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-26 00:10:30,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:10:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:30,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-26 00:10:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:30,476 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:10:30,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:30,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43251122] [2022-11-26 00:10:30,477 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:10:30,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513493714] [2022-11-26 00:10:30,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513493714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:30,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:30,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:10:30,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744871327] [2022-11-26 00:10:30,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:30,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:10:30,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:30,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:10:30,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:10:30,530 INFO L87 Difference]: Start difference. First operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-26 00:10:32,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:32,361 INFO L93 Difference]: Finished difference Result 334 states and 573 transitions. [2022-11-26 00:10:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:10:32,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-26 00:10:32,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:32,389 INFO L225 Difference]: With dead ends: 334 [2022-11-26 00:10:32,393 INFO L226 Difference]: Without dead ends: 201 [2022-11-26 00:10:32,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:10:32,403 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 74 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:32,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 369 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:10:32,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-26 00:10:32,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 136. [2022-11-26 00:10:32,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 130 states have internal predecessors, (149), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:10:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2022-11-26 00:10:32,489 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 4 [2022-11-26 00:10:32,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:32,491 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2022-11-26 00:10:32,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-26 00:10:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2022-11-26 00:10:32,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:10:32,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:32,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:32,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:10:32,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-26 00:10:32,705 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:10:32,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:32,705 INFO L85 PathProgramCache]: Analyzing trace with hash 114804868, now seen corresponding path program 1 times [2022-11-26 00:10:32,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:32,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919833179] [2022-11-26 00:10:32,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:32,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:32,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:32,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919833179] [2022-11-26 00:10:32,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919833179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:32,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:32,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:10:32,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047456539] [2022-11-26 00:10:32,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:32,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:10:32,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:32,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:10:32,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:10:32,991 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-26 00:10:34,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:34,841 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2022-11-26 00:10:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:10:34,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-11-26 00:10:34,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:34,848 INFO L225 Difference]: With dead ends: 266 [2022-11-26 00:10:34,848 INFO L226 Difference]: Without dead ends: 195 [2022-11-26 00:10:34,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:10:34,850 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 68 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:34,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 379 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:10:34,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-11-26 00:10:34,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 136. [2022-11-26 00:10:34,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 130 states have internal predecessors, (148), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:10:34,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2022-11-26 00:10:34,862 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 164 transitions. Word has length 9 [2022-11-26 00:10:34,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:34,862 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 164 transitions. [2022-11-26 00:10:34,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-26 00:10:34,863 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2022-11-26 00:10:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-26 00:10:34,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:34,864 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] [2022-11-26 00:10:34,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:10:34,865 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:10:34,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:34,866 INFO L85 PathProgramCache]: Analyzing trace with hash 462512991, now seen corresponding path program 1 times [2022-11-26 00:10:34,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:34,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396766586] [2022-11-26 00:10:34,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:34,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:34,998 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:10:34,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1624004644] [2022-11-26 00:10:34,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:34,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:10:34,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:10:35,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:10:35,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:10:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:35,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:10:35,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:10:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:35,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:10:35,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:35,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396766586] [2022-11-26 00:10:35,819 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:10:35,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624004644] [2022-11-26 00:10:35,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624004644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:35,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:35,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:10:35,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112080719] [2022-11-26 00:10:35,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:35,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:10:35,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:35,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:10:35,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:35,822 INFO L87 Difference]: Start difference. First operand 136 states and 164 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2022-11-26 00:10:36,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:36,809 INFO L93 Difference]: Finished difference Result 332 states and 405 transitions. [2022-11-26 00:10:36,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:10:36,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2022-11-26 00:10:36,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:36,814 INFO L225 Difference]: With dead ends: 332 [2022-11-26 00:10:36,814 INFO L226 Difference]: Without dead ends: 201 [2022-11-26 00:10:36,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:36,816 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 64 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:36,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 300 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-26 00:10:36,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-26 00:10:36,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2022-11-26 00:10:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 163 states have (on average 1.2269938650306749) internal successors, (200), 175 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:10:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2022-11-26 00:10:36,833 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 28 [2022-11-26 00:10:36,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:36,833 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2022-11-26 00:10:36,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2022-11-26 00:10:36,834 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2022-11-26 00:10:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-26 00:10:36,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:36,835 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] [2022-11-26 00:10:36,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 00:10:37,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:10:37,044 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:10:37,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:37,045 INFO L85 PathProgramCache]: Analyzing trace with hash -552686343, now seen corresponding path program 1 times [2022-11-26 00:10:37,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:37,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889976942] [2022-11-26 00:10:37,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:37,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:37,124 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:10:37,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1933690842] [2022-11-26 00:10:37,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:37,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:10:37,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:10:37,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:10:37,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:10:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:50,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:10:50,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:10:50,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:50,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:10:50,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:50,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889976942] [2022-11-26 00:10:50,764 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:10:50,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933690842] [2022-11-26 00:10:50,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933690842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:50,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:50,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:10:50,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384149454] [2022-11-26 00:10:50,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:50,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:10:50,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:50,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:10:50,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:10:50,767 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:10:52,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:52,227 INFO L93 Difference]: Finished difference Result 346 states and 418 transitions. [2022-11-26 00:10:52,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:10:52,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-11-26 00:10:52,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:52,235 INFO L225 Difference]: With dead ends: 346 [2022-11-26 00:10:52,235 INFO L226 Difference]: Without dead ends: 183 [2022-11-26 00:10:52,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:10:52,236 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:52,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 419 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:10:52,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-26 00:10:52,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2022-11-26 00:10:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 164 states have (on average 1.2317073170731707) internal successors, (202), 177 states have internal predecessors, (202), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-26 00:10:52,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 219 transitions. [2022-11-26 00:10:52,264 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 219 transitions. Word has length 41 [2022-11-26 00:10:52,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:52,264 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 219 transitions. [2022-11-26 00:10:52,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:10:52,267 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 219 transitions. [2022-11-26 00:10:52,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-26 00:10:52,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:52,269 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-11-26 00:10:52,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:10:52,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:10:52,477 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:10:52,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:52,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1460329117, now seen corresponding path program 1 times [2022-11-26 00:10:52,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:52,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995506738] [2022-11-26 00:10:52,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:52,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:52,546 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:10:52,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [408970738] [2022-11-26 00:10:52,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:52,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:10:52,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:10:52,549 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:10:52,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed6d743-4522-4f51-a5c5-4e309607d930/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:11:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:20,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-26 00:11:20,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:11:20,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:11:20,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:11:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:11:20,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:20,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995506738] [2022-11-26 00:11:20,735 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:11:20,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408970738] [2022-11-26 00:11:20,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408970738] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:11:20,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [576328464] [2022-11-26 00:11:20,765 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-26 00:11:20,765 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:11:20,770 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:11:20,776 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:11:20,777 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:11:20,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:11:20,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:20,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-26 00:11:20,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:20,873 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-26 00:11:20,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-26 00:11:20,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:20,902 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:11:20,902 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 [2022-11-26 00:11:20,913 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 15 treesize of output 1 [2022-11-26 00:11:20,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:11:20,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:20,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:20,987 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:11:20,987 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 [2022-11-26 00:11:21,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 37 treesize of output 38 [2022-11-26 00:11:21,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,023 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 [2022-11-26 00:11:21,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:11:21,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:11:21,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:11:21,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 84 treesize of output 64 [2022-11-26 00:11:21,609 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 [2022-11-26 00:11:21,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-26 00:11:21,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9896993 treesize of output 5376298 [2022-11-26 00:11:21,757 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 [2022-11-26 00:11:21,809 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 [2022-11-26 00:11:21,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:11:21,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:21,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:11:21,984 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 [2022-11-26 00:11:22,054 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 [2022-11-26 00:11:22,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,131 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:11:22,131 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 [2022-11-26 00:11:22,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,155 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 [2022-11-26 00:11:22,183 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 [2022-11-26 00:11:22,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:11:22,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:11:22,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:11:22,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:11:22,529 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:11:22,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-26 00:11:22,563 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-26 00:11:22,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-26 00:11:22,594 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:11:22,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-26 00:11:22,641 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 [2022-11-26 00:11:22,648 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 [2022-11-26 00:11:22,655 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 [2022-11-26 00:11:22,729 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 [2022-11-26 00:11:22,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:22,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:11:22,811 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 [2022-11-26 00:11:23,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:23,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:11:23,090 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 [2022-11-26 00:11:23,113 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 [2022-11-26 00:11:24,995 INFO L217 Elim1Store]: Index analysis took 1576 ms [2022-11-26 00:11:28,580 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-26 00:11:28,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-26 00:11:31,697 INFO L217 Elim1Store]: Index analysis took 2923 ms [2022-11-26 00:11:36,272 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-26 00:11:36,273 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 9519777 treesize of output 9519780 [2022-11-26 00:11:43,171 WARN L233 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:11:43,172 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:11:43,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-26 00:11:43,347 INFO L217 Elim1Store]: Index analysis took 103 ms [2022-11-26 00:12:00,953 WARN L233 SmtUtils]: Spent 17.60s 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) [2022-11-26 00:12:00,954 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:12:00,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-26 00:12:01,644 INFO L217 Elim1Store]: Index analysis took 506 ms [2022-11-26 00:12:17,393 WARN L233 SmtUtils]: Spent 15.29s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:12:17,394 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:12:17,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-26 00:12:18,957 INFO L217 Elim1Store]: Index analysis took 102 ms [2022-11-26 00:12:19,318 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:12:19,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-26 00:12:19,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-26 00:12:20,136 INFO L217 Elim1Store]: Index analysis took 351 ms [2022-11-26 00:12:21,231 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:12:21,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-26 00:12:22,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:12:22,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-26 00:12:23,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:23,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:12:23,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-26 00:12:23,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:23,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 00:12:23,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:23,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:12:23,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-26 00:12:23,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:23,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 00:12:28,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:28,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 00:12:28,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:28,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 00:12:53,291 INFO L217 Elim1Store]: Index analysis took 1592 ms