./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.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_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/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_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/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_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/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 f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 --- 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 16:15:54,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:15:54,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:15:54,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:15:54,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:15:54,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:15:54,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:15:54,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:15:54,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:15:54,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:15:54,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:15:54,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:15:54,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:15:54,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:15:54,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:15:54,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:15:54,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:15:54,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:15:54,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:15:54,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:15:54,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:15:54,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:15:54,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:15:54,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:15:54,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:15:54,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:15:54,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:15:54,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:15:54,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:15:54,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:15:54,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:15:54,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:15:54,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:15:54,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:15:54,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:15:54,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:15:55,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:15:55,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:15:55,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:15:55,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:15:55,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:15:55,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 16:15:55,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:15:55,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:15:55,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:15:55,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:15:55,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:15:55,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:15:55,024 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:15:55,024 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:15:55,024 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:15:55,024 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:15:55,024 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:15:55,024 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:15:55,025 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:15:55,025 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:15:55,025 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:15:55,025 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:15:55,025 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:15:55,025 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:15:55,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:15:55,026 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:15:55,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:15:55,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:15:55,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:15:55,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:15:55,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:15:55,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:15:55,027 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:15:55,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:15:55,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:15:55,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:15:55,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:15:55,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:15:55,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:15:55,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:15:55,029 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:15:55,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:15:55,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:15:55,029 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:15:55,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:15:55,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:15:55,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:15:55,030 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_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 [2022-12-14 16:15:55,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:15:55,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:15:55,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:15:55,244 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:15:55,244 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:15:55,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2022-12-14 16:15:57,770 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:15:57,984 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:15:57,985 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2022-12-14 16:15:57,994 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/data/7b534e2c5/9a9477b535874651936140fce469cb99/FLAG17abdf14b [2022-12-14 16:15:58,322 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/data/7b534e2c5/9a9477b535874651936140fce469cb99 [2022-12-14 16:15:58,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:15:58,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:15:58,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:15:58,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:15:58,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:15:58,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:15:58" (1/1) ... [2022-12-14 16:15:58,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29898400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58, skipping insertion in model container [2022-12-14 16:15:58,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:15:58" (1/1) ... [2022-12-14 16:15:58,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:15:58,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:15:58,592 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_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i[33021,33034] [2022-12-14 16:15:58,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:15:58,664 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:15:58,685 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_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i[33021,33034] [2022-12-14 16:15:58,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:15:58,741 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:15:58,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58 WrapperNode [2022-12-14 16:15:58,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:15:58,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:15:58,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:15:58,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:15:58,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58" (1/1) ... [2022-12-14 16:15:58,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58" (1/1) ... [2022-12-14 16:15:58,790 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-12-14 16:15:58,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:15:58,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:15:58,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:15:58,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:15:58,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58" (1/1) ... [2022-12-14 16:15:58,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58" (1/1) ... [2022-12-14 16:15:58,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58" (1/1) ... [2022-12-14 16:15:58,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58" (1/1) ... [2022-12-14 16:15:58,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58" (1/1) ... [2022-12-14 16:15:58,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58" (1/1) ... [2022-12-14 16:15:58,830 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58" (1/1) ... [2022-12-14 16:15:58,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58" (1/1) ... [2022-12-14 16:15:58,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:15:58,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:15:58,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:15:58,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:15:58,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58" (1/1) ... [2022-12-14 16:15:58,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:15:58,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:15:58,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:15:58,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:15:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:15:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 16:15:58,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 16:15:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:15:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 16:15:58,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 16:15:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 16:15:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:15:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:15:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 16:15:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 16:15:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:15:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:15:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:15:58,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:15:59,044 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:15:59,046 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:15:59,896 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:16:00,142 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:16:00,142 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-12-14 16:16:00,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:16:00 BoogieIcfgContainer [2022-12-14 16:16:00,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:16:00,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:16:00,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:16:00,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:16:00,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:15:58" (1/3) ... [2022-12-14 16:16:00,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3ccb03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:16:00, skipping insertion in model container [2022-12-14 16:16:00,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:58" (2/3) ... [2022-12-14 16:16:00,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3ccb03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:16:00, skipping insertion in model container [2022-12-14 16:16:00,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:16:00" (3/3) ... [2022-12-14 16:16:00,152 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-2.i [2022-12-14 16:16:00,166 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:16:00,166 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 16:16:00,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:16:00,207 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;@edc3edd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:16:00,207 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 16:16:00,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 16:16:00,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:16:00,215 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:16:00,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:16:00,216 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:16:00,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:16:00,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-12-14 16:16:00,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:16:00,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999251620] [2022-12-14 16:16:00,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:16:00,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:16:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:16:00,392 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 16:16:00,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:16:00,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999251620] [2022-12-14 16:16:00,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999251620] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:16:00,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:16:00,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:16:00,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728801637] [2022-12-14 16:16:00,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:16:00,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:16:00,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:16:00,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:16:00,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:16:00,422 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:16:01,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:16:01,099 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-12-14 16:16:01,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:16:01,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 16:16:01,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:16:01,109 INFO L225 Difference]: With dead ends: 237 [2022-12-14 16:16:01,109 INFO L226 Difference]: Without dead ends: 128 [2022-12-14 16:16:01,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:16:01,114 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 16:16:01,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 16:16:01,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-12-14 16:16:01,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-12-14 16:16:01,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 16:16:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-12-14 16:16:01,144 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-12-14 16:16:01,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:16:01,144 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-12-14 16:16:01,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:16:01,145 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-12-14 16:16:01,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 16:16:01,146 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:16:01,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:16:01,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 16:16:01,146 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:16:01,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:16:01,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-12-14 16:16:01,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:16:01,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445627389] [2022-12-14 16:16:01,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:16:01,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:16:01,241 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:16:01,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [953385802] [2022-12-14 16:16:01,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:16:01,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:16:01,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:16:01,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:16:01,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 16:16:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:16:01,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 16:16:01,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:16:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:16:01,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:16:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:16:01,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:16:01,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445627389] [2022-12-14 16:16:01,809 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:16:01,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953385802] [2022-12-14 16:16:01,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953385802] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:16:01,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [187120690] [2022-12-14 16:16:01,826 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-12-14 16:16:01,826 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:16:01,828 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:16:01,832 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:16:01,833 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:16:01,925 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 16:16:01,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 16:16:01,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:01,942 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 16:16:01,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:01,954 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 16:16:01,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:01,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:16:01,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:01,972 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 16:16:01,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 16:16:02,003 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 16:16:02,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 16:16:02,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 16:16:02,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 16:16:02,480 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 16:16:02,501 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 16:16:02,781 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 16:16:02,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 16:16:02,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:02,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 16:16:02,869 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 16:16:02,897 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:16:17,424 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:16:17,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [187120690] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:16:17,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 16:16:17,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 16:16:17,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837145557] [2022-12-14 16:16:17,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:16:17,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 16:16:17,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:16:17,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 16:16:17,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 16:16:17,434 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:16:22,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 16:16:24,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 16:16:27,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:16:27,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:16:27,189 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-12-14 16:16:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 16:16:27,197 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-12-14 16:16:27,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:16:27,198 INFO L225 Difference]: With dead ends: 171 [2022-12-14 16:16:27,198 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 16:16:27,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 16:16:27,200 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:16:27,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-12-14 16:16:27,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 16:16:27,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-12-14 16:16:27,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 16:16:27,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-12-14 16:16:27,216 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-12-14 16:16:27,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:16:27,216 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-12-14 16:16:27,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:16:27,217 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-12-14 16:16:27,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 16:16:27,218 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:16:27,218 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:16:27,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 16:16:27,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:16:27,421 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:16:27,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:16:27,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1276436578, now seen corresponding path program 1 times [2022-12-14 16:16:27,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:16:27,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749262572] [2022-12-14 16:16:27,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:16:27,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:16:27,474 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:16:27,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1546213809] [2022-12-14 16:16:27,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:16:27,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:16:27,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:16:27,475 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:16:27,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 16:16:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:16:27,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 16:16:27,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:16:27,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 16:16:27,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:16:27,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 16:16:27,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:16:27,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749262572] [2022-12-14 16:16:27,814 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:16:27,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546213809] [2022-12-14 16:16:27,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546213809] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:16:27,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1822837254] [2022-12-14 16:16:27,818 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 16:16:27,818 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:16:27,818 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:16:27,818 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:16:27,819 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:16:27,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:27,862 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 16:16:27,890 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 16:16:27,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 16:16:27,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:27,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:16:27,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 16:16:27,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 16:16:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:27,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 16:16:28,114 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 16:16:28,125 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 16:16:28,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 16:16:28,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 16:16:28,216 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 16:16:28,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 16:16:28,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 16:16:28,313 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 16:16:28,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:28,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 16:16:28,378 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 16:16:28,397 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 16:16:28,446 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 16:16:28,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 16:16:28,498 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 16:16:28,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 16:16:29,197 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 16:16:29,212 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 16:16:29,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 16:16:29,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 16:16:29,325 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 16:16:29,334 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 16:16:29,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-12-14 16:16:29,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-12-14 16:16:29,457 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 16:16:29,474 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 16:16:29,518 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 16:16:29,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 16:16:29,569 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 16:16:29,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 16:16:29,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:29,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 16:16:29,664 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 16:16:29,736 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:16:54,109 WARN L233 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:17:09,957 WARN L233 SmtUtils]: Spent 9.73s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:17:22,063 WARN L233 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:17:22,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1822837254] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:22,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 16:17:22,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 16:17:22,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921532930] [2022-12-14 16:17:22,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:22,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 16:17:22,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:22,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 16:17:22,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-12-14 16:17:22,911 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 16:17:28,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 16:17:30,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 16:17:32,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 16:17:34,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 16:17:36,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 16:17:38,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 16:17:40,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 16:17:42,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 16:17:44,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 16:17:49,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 16:17:52,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:17:54,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:17:54,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:54,109 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-12-14 16:17:54,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 16:17:54,119 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-12-14 16:17:54,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:54,120 INFO L225 Difference]: With dead ends: 175 [2022-12-14 16:17:54,120 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 16:17:54,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 56.0s TimeCoverageRelationStatistics Valid=100, Invalid=196, Unknown=10, NotChecked=0, Total=306 [2022-12-14 16:17:54,121 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:54,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 652 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 344 Invalid, 9 Unknown, 0 Unchecked, 28.4s Time] [2022-12-14 16:17:54,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 16:17:54,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-12-14 16:17:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-14 16:17:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-12-14 16:17:54,137 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-12-14 16:17:54,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:54,137 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-12-14 16:17:54,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 16:17:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-12-14 16:17:54,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 16:17:54,139 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:54,139 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:54,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 16:17:54,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-14 16:17:54,341 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:17:54,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:54,342 INFO L85 PathProgramCache]: Analyzing trace with hash -787068528, now seen corresponding path program 1 times [2022-12-14 16:17:54,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:54,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378693462] [2022-12-14 16:17:54,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:54,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:54,412 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:17:54,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [272831647] [2022-12-14 16:17:54,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:54,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:17:54,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:17:54,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:17:54,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d6a98f-8d50-4201-ab8f-a7d02bb7886f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 16:17:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:54,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 16:17:54,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:17:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 16:17:54,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:17:54,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 16:17:54,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:54,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378693462] [2022-12-14 16:17:54,803 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:17:54,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272831647] [2022-12-14 16:17:54,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272831647] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:17:54,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [493546614] [2022-12-14 16:17:54,805 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 16:17:54,805 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:17:54,806 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:17:54,806 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:17:54,806 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:17:54,856 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 16:17:54,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 16:17:54,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 16:17:54,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:54,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:17:54,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 16:17:54,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:54,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 16:17:54,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:54,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 16:17:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 16:17:55,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 16:17:55,146 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 16:17:55,159 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 16:17:55,191 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 16:17:55,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 16:17:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 16:17:55,289 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 16:17:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 16:17:55,371 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 16:17:55,390 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 16:17:55,450 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 16:17:55,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 16:17:55,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 16:17:55,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 16:17:55,620 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 16:17:55,624 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 16:17:55,658 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 16:17:55,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-12-14 16:17:55,684 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 16:17:55,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-12-14 16:17:55,707 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 16:17:55,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 16:17:55,739 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 16:17:55,743 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 16:17:55,748 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 16:17:55,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 16:17:55,835 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 16:17:55,848 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 16:17:55,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:17:55,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 16:17:55,974 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 16:17:55,985 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 16:17:56,732 INFO L217 Elim1Store]: Index analysis took 550 ms [2022-12-14 16:17:59,080 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 16:17:59,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-12-14 16:17:59,539 INFO L217 Elim1Store]: Index analysis took 380 ms [2022-12-14 16:18:01,986 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 16:18:01,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-12-14 16:18:13,625 WARN L233 SmtUtils]: Spent 11.61s 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 16:18:13,625 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 16:18:13,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 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 16:18:32,348 WARN L233 SmtUtils]: Spent 18.63s 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 16:18:32,349 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 16:18:32,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 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 16:18:33,130 INFO L217 Elim1Store]: Index analysis took 660 ms [2022-12-14 16:18:56,005 WARN L233 SmtUtils]: Spent 22.29s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 16:18:56,005 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 16:18:56,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 16:18:57,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:18:57,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 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 16:18:57,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:18:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:18:57,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:18:57,204 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 16:21:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:21:44,826 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 16:21:44,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:21:44,973 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 16:24:54,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:24:54,421 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 16:24:54,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:24:54,565 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