./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/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_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/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_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/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 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 --- 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 08:30:07,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:30:07,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:30:07,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:30:07,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:30:07,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:30:07,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:30:07,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:30:07,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:30:07,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:30:07,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:30:07,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:30:07,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:30:07,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:30:07,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:30:07,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:30:07,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:30:07,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:30:07,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:30:07,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:30:07,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:30:07,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:30:07,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:30:07,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:30:07,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:30:07,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:30:07,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:30:07,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:30:07,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:30:07,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:30:07,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:30:07,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:30:07,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:30:07,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:30:07,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:30:07,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:30:07,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:30:07,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:30:07,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:30:07,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:30:07,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:30:07,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 08:30:07,965 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:30:07,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:30:07,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:30:07,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:30:07,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:30:07,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:30:07,966 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:30:07,966 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:30:07,967 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:30:07,967 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:30:07,967 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:30:07,967 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:30:07,967 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:30:07,967 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:30:07,967 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:30:07,968 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:30:07,968 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:30:07,968 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:30:07,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:30:07,969 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:30:07,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:30:07,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:30:07,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:30:07,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:30:07,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:30:07,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:30:07,969 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:30:07,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:30:07,970 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:30:07,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:30:07,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:30:07,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:30:07,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:30:07,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:30:07,971 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:30:07,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:30:07,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:30:07,971 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:30:07,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:30:07,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:30:07,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:30:07,971 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_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 [2022-12-14 08:30:08,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:30:08,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:30:08,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:30:08,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:30:08,163 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:30:08,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2022-12-14 08:30:10,754 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:30:10,929 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:30:10,929 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2022-12-14 08:30:10,939 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/data/78be27a76/89431b1f2016421d8e257b4aa85a44a6/FLAGc9b01e01d [2022-12-14 08:30:10,950 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/data/78be27a76/89431b1f2016421d8e257b4aa85a44a6 [2022-12-14 08:30:10,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:30:10,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:30:10,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:30:10,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:30:10,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:30:10,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:30:10" (1/1) ... [2022-12-14 08:30:10,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc6c9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:10, skipping insertion in model container [2022-12-14 08:30:10,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:30:10" (1/1) ... [2022-12-14 08:30:10,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:30:11,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:30:11,251 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_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i[33021,33034] [2022-12-14 08:30:11,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:30:11,312 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:30:11,332 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_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i[33021,33034] [2022-12-14 08:30:11,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:30:11,386 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:30:11,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:11 WrapperNode [2022-12-14 08:30:11,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:30:11,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:30:11,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:30:11,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:30:11,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:11" (1/1) ... [2022-12-14 08:30:11,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:11" (1/1) ... [2022-12-14 08:30:11,442 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-12-14 08:30:11,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:30:11,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:30:11,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:30:11,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:30:11,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:11" (1/1) ... [2022-12-14 08:30:11,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:11" (1/1) ... [2022-12-14 08:30:11,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:11" (1/1) ... [2022-12-14 08:30:11,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:11" (1/1) ... [2022-12-14 08:30:11,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:11" (1/1) ... [2022-12-14 08:30:11,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:11" (1/1) ... [2022-12-14 08:30:11,487 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:11" (1/1) ... [2022-12-14 08:30:11,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:11" (1/1) ... [2022-12-14 08:30:11,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:30:11,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:30:11,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:30:11,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:30:11,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:11" (1/1) ... [2022-12-14 08:30:11,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:30:11,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:30:11,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:30:11,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:30:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:30:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 08:30:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 08:30:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:30:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 08:30:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 08:30:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:30:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:30:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:30:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:30:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:30:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:30:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:30:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:30:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:30:11,706 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:30:11,708 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:30:12,490 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:30:12,726 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:30:12,727 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-12-14 08:30:12,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:30:12 BoogieIcfgContainer [2022-12-14 08:30:12,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:30:12,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:30:12,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:30:12,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:30:12,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:30:10" (1/3) ... [2022-12-14 08:30:12,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bafd153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:30:12, skipping insertion in model container [2022-12-14 08:30:12,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:11" (2/3) ... [2022-12-14 08:30:12,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bafd153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:30:12, skipping insertion in model container [2022-12-14 08:30:12,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:30:12" (3/3) ... [2022-12-14 08:30:12,735 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test1-2.i [2022-12-14 08:30:12,748 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:30:12,748 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:30:12,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:30:12,785 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;@344ecfd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:30:12,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:30:12,789 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 08:30:12,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 08:30:12,794 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:30:12,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:30:12,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:30:12,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:30:12,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-12-14 08:30:12,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:30:12,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670567052] [2022-12-14 08:30:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:30:12,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:30:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:30:12,935 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 08:30:12,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:30:12,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670567052] [2022-12-14 08:30:12,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670567052] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:30:12,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:30:12,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:30:12,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513208650] [2022-12-14 08:30:12,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:30:12,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:30:12,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:30:12,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:30:12,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:30:12,963 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 08:30:13,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:30:13,617 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-12-14 08:30:13,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:30:13,621 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 08:30:13,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:30:13,627 INFO L225 Difference]: With dead ends: 237 [2022-12-14 08:30:13,627 INFO L226 Difference]: Without dead ends: 128 [2022-12-14 08:30:13,629 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 08:30:13,631 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 08:30:13,632 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 08:30:13,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-12-14 08:30:13,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-12-14 08:30:13,660 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 08:30:13,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-12-14 08:30:13,662 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-12-14 08:30:13,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:30:13,662 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-12-14 08:30:13,662 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 08:30:13,663 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-12-14 08:30:13,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 08:30:13,664 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:30:13,664 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 08:30:13,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:30:13,664 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:30:13,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:30:13,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-12-14 08:30:13,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:30:13,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955785704] [2022-12-14 08:30:13,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:30:13,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:30:13,777 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:30:13,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2080638093] [2022-12-14 08:30:13,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:30:13,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:30:13,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:30:13,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:30:13,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:30:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:30:14,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:30:14,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:30:14,308 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 08:30:14,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:30:14,350 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 08:30:14,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:30:14,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955785704] [2022-12-14 08:30:14,351 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:30:14,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080638093] [2022-12-14 08:30:14,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080638093] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:30:14,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1413730031] [2022-12-14 08:30:14,366 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-12-14 08:30:14,366 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:30:14,368 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:30:14,372 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:30:14,373 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:30:14,464 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 08:30:14,465 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 08:30:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 08:30:14,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,494 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 08:30:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:30:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,515 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:30:14,516 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 08:30:14,552 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:30:14,552 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 08:30:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,886 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 08:30:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:14,946 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 08:30:14,987 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 08:30:15,008 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 08:30:15,269 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 08:30:15,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,301 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 08:30:15,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:15,330 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 08:30:15,357 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 08:30:15,384 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:30:29,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1413730031] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:30:29,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 08:30:29,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 08:30:29,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860152582] [2022-12-14 08:30:29,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:30:29,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 08:30:29,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:30:29,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 08:30:29,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 08:30:29,888 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 08:30:32,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 08:30:34,852 WARN L539 Checker$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 08:30:36,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:30:36,412 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-12-14 08:30:36,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 08:30:36,418 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 08:30:36,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:30:36,419 INFO L225 Difference]: With dead ends: 171 [2022-12-14 08:30:36,419 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 08:30:36,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 08:30:36,420 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s 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, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:30:36,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 08:30:36,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 08:30:36,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-12-14 08:30:36,433 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 08:30:36,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-12-14 08:30:36,433 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-12-14 08:30:36,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:30:36,434 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-12-14 08:30:36,434 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 08:30:36,434 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-12-14 08:30:36,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 08:30:36,434 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:30:36,434 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 08:30:36,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:30:36,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:30:36,635 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:30:36,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:30:36,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1276436578, now seen corresponding path program 1 times [2022-12-14 08:30:36,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:30:36,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681396336] [2022-12-14 08:30:36,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:30:36,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:30:36,676 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:30:36,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311494929] [2022-12-14 08:30:36,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:30:36,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:30:36,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:30:36,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:30:36,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 08:30:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:30:36,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:30:36,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:30:37,009 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 08:30:37,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:30:37,064 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 08:30:37,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:30:37,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681396336] [2022-12-14 08:30:37,064 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:30:37,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311494929] [2022-12-14 08:30:37,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311494929] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:30:37,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1226051072] [2022-12-14 08:30:37,067 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 08:30:37,067 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:30:37,067 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:30:37,067 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:30:37,067 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:30:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,098 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 08:30:37,128 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:30:37,128 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 08:30:37,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:30:37,138 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 08:30:37,147 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 08:30:37,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,160 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 08:30:37,336 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 08:30:37,347 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 08:30:37,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,386 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 08:30:37,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,423 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 08:30:37,453 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 08:30:37,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,499 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 08:30:37,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,542 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 08:30:37,568 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 08:30:37,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:37,609 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 08:30:37,630 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 08:30:37,647 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 08:30:37,694 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 08:30:37,694 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 08:30:37,743 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 08:30:37,743 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 08:30:38,356 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 08:30:38,370 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 08:30:38,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,406 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 08:30:38,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,445 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 08:30:38,498 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 08:30:38,508 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 08:30:38,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,553 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 08:30:38,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,590 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 08:30:38,637 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 08:30:38,657 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 08:30:38,708 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 08:30:38,709 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 08:30:38,768 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 08:30:38,769 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 08:30:38,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:30:38,802 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 08:30:38,873 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 08:30:38,946 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:30:46,624 WARN L233 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:31:03,884 WARN L233 SmtUtils]: Spent 6.18s 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 08:31:15,732 WARN L233 SmtUtils]: Spent 5.72s 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 08:31:27,866 WARN L233 SmtUtils]: Spent 5.99s 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 08:31:28,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1226051072] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:31:28,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 08:31:28,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 08:31:28,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380834077] [2022-12-14 08:31:28,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:31:28,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 08:31:28,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:31:28,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 08:31:28,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-12-14 08:31:28,514 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 08:31:34,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 08:31:36,383 WARN L539 Checker$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 08:31:38,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 08:31:40,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 08:31:42,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 08:31:44,510 WARN L539 Checker$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 08:31:46,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 08:31:48,555 WARN L539 Checker$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 08:31:50,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 08:31:56,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 08:31:57,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 08:32:01,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 08:32:02,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:32:02,597 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-12-14 08:32:02,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 08:32:02,602 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 08:32:02,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:32:02,603 INFO L225 Difference]: With dead ends: 175 [2022-12-14 08:32:02,603 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 08:32:02,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 52.3s TimeCoverageRelationStatistics Valid=100, Invalid=196, Unknown=10, NotChecked=0, Total=306 [2022-12-14 08:32:02,604 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s 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, 31.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:32:02,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 652 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 344 Invalid, 9 Unknown, 0 Unchecked, 31.3s Time] [2022-12-14 08:32:02,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 08:32:02,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-12-14 08:32:02,619 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 08:32:02,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-12-14 08:32:02,620 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-12-14 08:32:02,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:32:02,620 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-12-14 08:32:02,620 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 08:32:02,620 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-12-14 08:32:02,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 08:32:02,621 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:32:02,621 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 08:32:02,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 08:32:02,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:32:02,823 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:32:02,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:32:02,824 INFO L85 PathProgramCache]: Analyzing trace with hash -787068528, now seen corresponding path program 1 times [2022-12-14 08:32:02,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:32:02,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621885992] [2022-12-14 08:32:02,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:32:02,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:32:02,904 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:32:02,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993990708] [2022-12-14 08:32:02,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:32:02,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:32:02,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:32:02,905 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:32:02,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a0b9f3-bdd4-4ba7-9a1f-54941c7f12b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 08:32:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:32:03,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:32:03,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:32:03,269 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 08:32:03,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:32:03,317 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 08:32:03,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:32:03,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621885992] [2022-12-14 08:32:03,317 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:32:03,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993990708] [2022-12-14 08:32:03,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993990708] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:32:03,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [404197489] [2022-12-14 08:32:03,320 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 08:32:03,321 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:32:03,321 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:32:03,321 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:32:03,321 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:32:03,364 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:32:03,364 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 08:32:03,371 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 08:32:03,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:32:03,379 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 08:32:03,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,392 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 08:32:03,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,402 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 08:32:03,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,604 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 08:32:03,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,636 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 08:32:03,664 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 08:32:03,677 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 08:32:03,701 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 08:32:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,745 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 08:32:03,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,782 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 08:32:03,804 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 08:32:03,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:03,853 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 08:32:03,873 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 08:32:03,890 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 08:32:03,945 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 08:32:03,945 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 08:32:03,957 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 08:32:04,042 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 08:32:04,046 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 08:32:04,051 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 08:32:04,085 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:32:04,085 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 08:32:04,107 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 08:32:04,107 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 08:32:04,127 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:32:04,127 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 08:32:04,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 08:32:04,156 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 08:32:04,161 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 08:32:04,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,217 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 08:32:04,237 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 08:32:04,252 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 08:32:04,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:04,399 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 08:32:04,411 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 08:32:04,423 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 08:32:04,836 INFO L217 Elim1Store]: Index analysis took 229 ms [2022-12-14 08:32:06,386 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 08:32:06,386 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 08:32:07,166 INFO L217 Elim1Store]: Index analysis took 673 ms [2022-12-14 08:32:09,086 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 08:32:09,086 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 08:32:19,568 WARN L233 SmtUtils]: Spent 10.45s 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 08:32:19,569 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 08:32:19,569 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 08:32:34,929 WARN L233 SmtUtils]: Spent 15.23s 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 08:32:34,929 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 08:32:34,930 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 08:32:35,554 INFO L217 Elim1Store]: Index analysis took 544 ms [2022-12-14 08:32:57,117 WARN L233 SmtUtils]: Spent 21.04s 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 08:32:57,118 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 08:32:57,118 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 08:32:58,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:32:58,196 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 08:32:58,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:58,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:32:58,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:32:58,362 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 08:35:31,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:35:31,733 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 08:35:31,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:35:31,876 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 08:38:38,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:38:38,433 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 08:38:38,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:38:38,574 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