./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 14:18:06,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:18:06,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:18:06,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:18:06,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:18:06,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:18:06,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:18:06,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:18:06,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:18:06,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:18:06,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:18:06,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:18:06,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:18:06,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:18:06,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:18:06,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:18:06,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:18:06,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:18:06,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:18:06,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:18:06,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:18:06,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:18:06,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:18:06,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:18:06,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:18:06,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:18:06,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:18:06,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:18:06,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:18:06,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:18:06,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:18:06,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:18:06,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:18:06,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:18:06,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:18:06,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:18:06,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:18:06,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:18:06,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:18:06,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:18:06,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:18:06,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 14:18:06,102 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:18:06,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:18:06,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:18:06,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:18:06,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:18:06,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:18:06,112 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:18:06,112 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:18:06,112 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:18:06,113 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:18:06,113 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:18:06,113 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:18:06,113 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:18:06,113 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:18:06,113 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:18:06,114 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:18:06,114 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:18:06,114 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:18:06,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:18:06,115 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:18:06,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:18:06,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:18:06,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:18:06,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:18:06,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:18:06,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:18:06,116 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:18:06,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:18:06,116 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:18:06,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:18:06,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:18:06,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:18:06,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:18:06,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:18:06,117 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:18:06,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:18:06,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:18:06,118 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:18:06,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:18:06,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:18:06,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:18:06,118 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_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 [2022-12-14 14:18:06,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:18:06,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:18:06,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:18:06,328 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:18:06,328 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:18:06,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2022-12-14 14:18:08,942 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:18:09,172 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:18:09,172 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2022-12-14 14:18:09,185 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/data/59d688d14/54f06ea9cfdb45e48aeb651d72c518f5/FLAG347b32b32 [2022-12-14 14:18:09,199 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/data/59d688d14/54f06ea9cfdb45e48aeb651d72c518f5 [2022-12-14 14:18:09,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:18:09,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:18:09,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:18:09,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:18:09,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:18:09,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:18:09" (1/1) ... [2022-12-14 14:18:09,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682609e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09, skipping insertion in model container [2022-12-14 14:18:09,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:18:09" (1/1) ... [2022-12-14 14:18:09,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:18:09,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:18:09,533 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_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2022-12-14 14:18:09,609 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 14:18:09,619 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_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2022-12-14 14:18:09,620 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_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2022-12-14 14:18:09,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:18:09,637 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:18:09,665 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_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2022-12-14 14:18:09,710 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 14:18:09,715 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_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2022-12-14 14:18:09,716 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_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2022-12-14 14:18:09,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:18:09,739 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:18:09,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09 WrapperNode [2022-12-14 14:18:09,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:18:09,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:18:09,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:18:09,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:18:09,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09" (1/1) ... [2022-12-14 14:18:09,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09" (1/1) ... [2022-12-14 14:18:09,796 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 992 [2022-12-14 14:18:09,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:18:09,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:18:09,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:18:09,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:18:09,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09" (1/1) ... [2022-12-14 14:18:09,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09" (1/1) ... [2022-12-14 14:18:09,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09" (1/1) ... [2022-12-14 14:18:09,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09" (1/1) ... [2022-12-14 14:18:09,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09" (1/1) ... [2022-12-14 14:18:09,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09" (1/1) ... [2022-12-14 14:18:09,846 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09" (1/1) ... [2022-12-14 14:18:09,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09" (1/1) ... [2022-12-14 14:18:09,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:18:09,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:18:09,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:18:09,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:18:09,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09" (1/1) ... [2022-12-14 14:18:09,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:18:09,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:18:09,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:18:09,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:18:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:18:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:18:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 14:18:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 14:18:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:18:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:18:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:18:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:18:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 14:18:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:18:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:18:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:18:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:18:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:18:10,084 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:18:10,085 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:18:11,073 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:18:11,365 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:18:11,365 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-14 14:18:11,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:18:11 BoogieIcfgContainer [2022-12-14 14:18:11,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:18:11,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:18:11,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:18:11,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:18:11,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:18:09" (1/3) ... [2022-12-14 14:18:11,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a28898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:18:11, skipping insertion in model container [2022-12-14 14:18:11,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:18:09" (2/3) ... [2022-12-14 14:18:11,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a28898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:18:11, skipping insertion in model container [2022-12-14 14:18:11,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:18:11" (3/3) ... [2022-12-14 14:18:11,373 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-1.i [2022-12-14 14:18:11,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:18:11,386 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 14:18:11,421 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:18:11,425 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;@1d8c4afe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:18:11,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 14:18:11,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 14:18:11,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 14:18:11,433 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:18:11,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:18:11,434 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:18:11,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:18:11,438 INFO L85 PathProgramCache]: Analyzing trace with hash -218436337, now seen corresponding path program 1 times [2022-12-14 14:18:11,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:18:11,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526281984] [2022-12-14 14:18:11,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:18:11,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:18:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:18:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:18:11,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:18:11,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526281984] [2022-12-14 14:18:11,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526281984] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:18:11,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:18:11,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:18:11,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478561044] [2022-12-14 14:18:11,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:18:11,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 14:18:11,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:18:11,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 14:18:11,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 14:18:11,590 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-12-14 14:18:12,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:18:12,002 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2022-12-14 14:18:12,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 14:18:12,007 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-12-14 14:18:12,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:18:12,012 INFO L225 Difference]: With dead ends: 215 [2022-12-14 14:18:12,012 INFO L226 Difference]: Without dead ends: 107 [2022-12-14 14:18:12,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 14:18:12,016 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:18:12,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:18:12,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-12-14 14:18:12,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-12-14 14:18:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 14:18:12,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2022-12-14 14:18:12,045 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2022-12-14 14:18:12,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:18:12,046 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2022-12-14 14:18:12,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-12-14 14:18:12,046 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2022-12-14 14:18:12,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 14:18:12,046 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:18:12,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:18:12,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:18:12,047 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:18:12,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:18:12,047 INFO L85 PathProgramCache]: Analyzing trace with hash -408896126, now seen corresponding path program 1 times [2022-12-14 14:18:12,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:18:12,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029557324] [2022-12-14 14:18:12,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:18:12,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:18:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:18:12,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:18:12,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:18:12,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029557324] [2022-12-14 14:18:12,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029557324] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:18:12,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:18:12,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:18:12,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127732111] [2022-12-14 14:18:12,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:18:12,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:18:12,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:18:12,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:18:12,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:18:12,157 INFO L87 Difference]: Start difference. First operand 107 states and 125 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) [2022-12-14 14:18:14,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:18:14,108 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2022-12-14 14:18:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:18:14,112 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 [2022-12-14 14:18:14,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:18:14,113 INFO L225 Difference]: With dead ends: 219 [2022-12-14 14:18:14,113 INFO L226 Difference]: Without dead ends: 165 [2022-12-14 14:18:14,114 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 [2022-12-14 14:18:14,115 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:18:14,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 281 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 14:18:14,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-12-14 14:18:14,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2022-12-14 14:18:14,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 14:18:14,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2022-12-14 14:18:14,127 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2022-12-14 14:18:14,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:18:14,127 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2022-12-14 14:18:14,128 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) [2022-12-14 14:18:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2022-12-14 14:18:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 14:18:14,129 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:18:14,129 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 14:18:14,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:18:14,129 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:18:14,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:18:14,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1957629248, now seen corresponding path program 1 times [2022-12-14 14:18:14,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:18:14,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842563293] [2022-12-14 14:18:14,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:18:14,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:18:14,220 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:18:14,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1883915429] [2022-12-14 14:18:14,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:18:14,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:18:14,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:18:14,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:18:14,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:18:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:18:14,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:18:14,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:18:14,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:18:14,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:18:14,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:18:14,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842563293] [2022-12-14 14:18:14,817 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:18:14,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883915429] [2022-12-14 14:18:14,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883915429] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:18:14,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:18:14,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:18:14,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858125382] [2022-12-14 14:18:14,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:18:14,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:18:14,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:18:14,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:18:14,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:18:14,819 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2022-12-14 14:18:16,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:18:16,101 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2022-12-14 14:18:16,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:18:16,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2022-12-14 14:18:16,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:18:16,107 INFO L225 Difference]: With dead ends: 265 [2022-12-14 14:18:16,107 INFO L226 Difference]: Without dead ends: 159 [2022-12-14 14:18:16,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:18:16,108 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:18:16,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 206 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 14:18:16,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-14 14:18:16,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2022-12-14 14:18:16,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 14:18:16,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2022-12-14 14:18:16,116 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2022-12-14 14:18:16,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:18:16,116 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2022-12-14 14:18:16,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2022-12-14 14:18:16,116 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2022-12-14 14:18:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 14:18:16,117 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:18:16,117 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, 1, 1, 1] [2022-12-14 14:18:16,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:18:16,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:18:16,318 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:18:16,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:18:16,319 INFO L85 PathProgramCache]: Analyzing trace with hash 35155344, now seen corresponding path program 1 times [2022-12-14 14:18:16,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:18:16,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453160497] [2022-12-14 14:18:16,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:18:16,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:18:16,378 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:18:16,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [817953887] [2022-12-14 14:18:16,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:18:16,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:18:16,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:18:16,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:18:16,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:18:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:18:16,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:18:16,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:18:16,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 14:18:16,785 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 [2022-12-14 14:18:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 14:18:16,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:18:16,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:18:16,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453160497] [2022-12-14 14:18:16,793 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:18:16,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817953887] [2022-12-14 14:18:16,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817953887] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:18:16,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:18:16,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:18:16,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114950259] [2022-12-14 14:18:16,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:18:16,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:18:16,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:18:16,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:18:16,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:18:16,796 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 14:18:18,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:18:18,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:18:18,633 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2022-12-14 14:18:18,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:18:18,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-12-14 14:18:18,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:18:18,639 INFO L225 Difference]: With dead ends: 201 [2022-12-14 14:18:18,639 INFO L226 Difference]: Without dead ends: 197 [2022-12-14 14:18:18,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:18:18,640 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 47 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:18:18,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 283 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 14:18:18,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-12-14 14:18:18,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2022-12-14 14:18:18,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 14:18:18,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2022-12-14 14:18:18,648 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2022-12-14 14:18:18,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:18:18,649 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2022-12-14 14:18:18,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 14:18:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2022-12-14 14:18:18,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 14:18:18,650 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:18:18,650 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:18:18,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:18:18,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:18:18,852 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:18:18,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:18:18,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1412611692, now seen corresponding path program 1 times [2022-12-14 14:18:18,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:18:18,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585093521] [2022-12-14 14:18:18,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:18:18,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:18:18,939 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:18:18,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1262661975] [2022-12-14 14:18:18,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:18:18,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:18:18,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:18:18,941 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:18:18,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:18:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:18:19,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:18:19,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:18:19,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 14:18:19,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:18:19,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:18:19,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585093521] [2022-12-14 14:18:19,398 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:18:19,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262661975] [2022-12-14 14:18:19,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262661975] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:18:19,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:18:19,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:18:19,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992935913] [2022-12-14 14:18:19,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:18:19,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:18:19,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:18:19,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:18:19,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:18:19,399 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 14:18:19,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:18:19,874 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2022-12-14 14:18:19,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:18:19,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-12-14 14:18:19,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:18:19,879 INFO L225 Difference]: With dead ends: 344 [2022-12-14 14:18:19,879 INFO L226 Difference]: Without dead ends: 206 [2022-12-14 14:18:19,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:18:19,880 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 229 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:18:19,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 169 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 14:18:19,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-12-14 14:18:19,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2022-12-14 14:18:19,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 14:18:19,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2022-12-14 14:18:19,891 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2022-12-14 14:18:19,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:18:19,892 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2022-12-14 14:18:19,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 14:18:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2022-12-14 14:18:19,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 14:18:19,893 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:18:19,893 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:18:19,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 14:18:20,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:18:20,095 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:18:20,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:18:20,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1485013667, now seen corresponding path program 1 times [2022-12-14 14:18:20,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:18:20,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878168727] [2022-12-14 14:18:20,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:18:20,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:18:20,139 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:18:20,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1066162050] [2022-12-14 14:18:20,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:18:20,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:18:20,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:18:20,140 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:18:20,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:18:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:18:31,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 14:18:31,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:18:31,558 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:18:31,559 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:18:31,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:18:31,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878168727] [2022-12-14 14:18:31,559 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:18:31,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066162050] [2022-12-14 14:18:31,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066162050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:18:31,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:18:31,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:18:31,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765175473] [2022-12-14 14:18:31,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:18:31,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:18:31,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:18:31,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:18:31,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:18:31,560 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 14:18:32,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:18:32,821 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2022-12-14 14:18:32,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:18:32,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-12-14 14:18:32,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:18:32,827 INFO L225 Difference]: With dead ends: 381 [2022-12-14 14:18:32,827 INFO L226 Difference]: Without dead ends: 201 [2022-12-14 14:18:32,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:18:32,828 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:18:32,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 320 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 14:18:32,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-12-14 14:18:32,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2022-12-14 14:18:32,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 14:18:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2022-12-14 14:18:32,836 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2022-12-14 14:18:32,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:18:32,837 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2022-12-14 14:18:32,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 14:18:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2022-12-14 14:18:32,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 14:18:32,838 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:18:32,838 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:18:32,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 14:18:33,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 14:18:33,041 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:18:33,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:18:33,042 INFO L85 PathProgramCache]: Analyzing trace with hash -256446477, now seen corresponding path program 1 times [2022-12-14 14:18:33,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:18:33,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789993714] [2022-12-14 14:18:33,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:18:33,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:18:33,098 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:18:33,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1187861210] [2022-12-14 14:18:33,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:18:33,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:18:33,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:18:33,100 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:18:33,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9089b43-cfc1-4c99-b4cf-9a1ac6a88a83/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 14:18:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:18:50,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 14:18:50,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:18:50,123 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:18:50,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:18:50,188 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 14:18:50,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:18:50,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789993714] [2022-12-14 14:18:50,188 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:18:50,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187861210] [2022-12-14 14:18:50,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187861210] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:18:50,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [562401262] [2022-12-14 14:18:50,204 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-12-14 14:18:50,204 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:18:50,206 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:18:50,210 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:18:50,210 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:18:50,315 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 [2022-12-14 14:18:50,319 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 [2022-12-14 14:18:50,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,337 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 14:18:50,338 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 [2022-12-14 14:18:50,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,363 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 14:18:50,363 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 [2022-12-14 14:18:50,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 14:18:50,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:18:50,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,432 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 14:18:50,433 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 1 case distinctions, treesize of input 52 treesize of output 53 [2022-12-14 14:18:50,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:18:50,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,477 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 14:18:50,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 14:18:50,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,514 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:18:50,514 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 [2022-12-14 14:18:50,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,827 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 9897009 treesize of output 5376288 [2022-12-14 14:18:50,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,872 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 9897007 treesize of output 5376300 [2022-12-14 14:18:50,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 14:18:50,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 14:18:50,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,979 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 [2022-12-14 14:18:50,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:50,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,013 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 [2022-12-14 14:18:51,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 14:18:51,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 14:18:51,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,112 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 [2022-12-14 14:18:51,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 14:18:51,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 14:18:51,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,211 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 14:18:51,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-12-14 14:18:51,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,276 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 14:18:51,276 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 [2022-12-14 14:18:51,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 14:18:51,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 14:18:51,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 14:18:51,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 14:18:51,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 14:18:51,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 14:18:51,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 14:18:51,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 14:18:51,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 14:18:51,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 14:18:51,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 14:18:51,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,586 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 [2022-12-14 14:18:51,748 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 46 treesize of output 16 [2022-12-14 14:18:51,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 14:18:51,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:51,797 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 [2022-12-14 14:18:52,573 INFO L217 Elim1Store]: Index analysis took 590 ms [2022-12-14 14:18:56,885 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-12-14 14:18:56,886 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 9519771 treesize of output 9519790 [2022-12-14 14:18:58,257 INFO L217 Elim1Store]: Index analysis took 1208 ms [2022-12-14 14:18:58,824 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-12-14 14:18:58,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519766 treesize of output 9519770 [2022-12-14 14:19:05,775 WARN L233 SmtUtils]: Spent 6.85s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 14:19:05,776 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 14:19:05,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 14:19:27,843 WARN L233 SmtUtils]: Spent 21.86s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 14:19:27,843 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 14:19:27,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-12-14 14:19:29,361 INFO L217 Elim1Store]: Index analysis took 912 ms [2022-12-14 14:20:02,184 WARN L233 SmtUtils]: Spent 32.28s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 14:20:02,185 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-12-14 14:20:02,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-12-14 14:20:03,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:03,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 14:20:03,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:03,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:03,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:03,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-12-14 14:20:04,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:04,322 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 24 treesize of output 14 [2022-12-14 14:20:04,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:04,367 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 17 treesize of output 11 [2022-12-14 14:20:05,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:05,880 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 24 treesize of output 14 [2022-12-14 14:20:05,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:05,925 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 17 treesize of output 11 [2022-12-14 14:20:06,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:06,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:06,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:06,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-12-14 14:20:08,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:08,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:08,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 14:20:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:12,064 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 [2022-12-14 14:20:12,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:12,276 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 [2022-12-14 14:20:12,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:12,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:12,333 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 [2022-12-14 14:20:12,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:12,390 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 [2022-12-14 14:20:12,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:12,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 14:20:12,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:12,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 14:20:12,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:12,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 14:20:25,990 INFO L321 Elim1Store]: treesize reduction 669, result has 0.1 percent of original size [2022-12-14 14:20:25,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 2242 treesize of output 20305 [2022-12-14 14:20:26,127 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 51 treesize of output 43 [2022-12-14 14:20:26,355 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:20:26,449 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:20:27,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:27,804 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 93 treesize of output 59 [2022-12-14 14:20:27,896 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:20:27,983 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:20:28,048 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:20:28,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:28,986 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:20:28,987 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:20:32,067 INFO L217 Elim1Store]: Index analysis took 847 ms [2022-12-14 14:20:41,379 WARN L233 SmtUtils]: Spent 9.30s on a formula simplification. DAG size of input: 157 DAG size of output: 3 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 14:20:41,380 INFO L321 Elim1Store]: treesize reduction 8395, result has 0.0 percent of original size [2022-12-14 14:20:41,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 33989 treesize of output 333119 [2022-12-14 14:20:42,421 INFO L217 Elim1Store]: Index analysis took 676 ms [2022-12-14 14:20:42,901 INFO L321 Elim1Store]: treesize reduction 4, result has 98.9 percent of original size [2022-12-14 14:20:42,901 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 738 treesize of output 914 [2022-12-14 14:20:43,657 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 183 treesize of output 179 [2022-12-14 14:20:43,757 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:20:44,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:45,932 INFO L217 Elim1Store]: Index analysis took 1129 ms [2022-12-14 14:20:51,036 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 37 DAG size of output: 33 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 14:20:51,037 INFO L321 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2022-12-14 14:20:51,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1265 treesize of output 909 [2022-12-14 14:20:53,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:53,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:20:55,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:05,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:06,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:06,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:13,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:13,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:17,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:19,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:19,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:20,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:23,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:23,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:23,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:24,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:24,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:24,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:24,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:24,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:24,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:25,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:25,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:25,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:21:25,877 INFO L217 Elim1Store]: Index analysis took 32410 ms [2022-12-14 14:21:25,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 53 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 178801 treesize of output 4635574