./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur --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 2c8bfc4504f1d1d767281638f115bf6ca8337de4769381189ae1d6a9b301298b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:37:10,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:37:10,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:37:10,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:37:10,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:37:10,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:37:10,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:37:10,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:37:10,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:37:10,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:37:10,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:37:10,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:37:10,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:37:10,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:37:10,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:37:10,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:37:10,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:37:10,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:37:10,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:37:11,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:37:11,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:37:11,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:37:11,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:37:11,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:37:11,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:37:11,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:37:11,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:37:11,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:37:11,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:37:11,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:37:11,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:37:11,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:37:11,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:37:11,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:37:11,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:37:11,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:37:11,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:37:11,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:37:11,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:37:11,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:37:11,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:37:11,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:37:11,079 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:37:11,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:37:11,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:37:11,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:37:11,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:37:11,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:37:11,083 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:37:11,083 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:37:11,083 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:37:11,084 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:37:11,085 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:37:11,085 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:37:11,085 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:37:11,086 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:37:11,086 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:37:11,086 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:37:11,087 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:37:11,087 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:37:11,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:37:11,088 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:37:11,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:37:11,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:37:11,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:37:11,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:37:11,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:37:11,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:37:11,090 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:37:11,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:37:11,091 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:37:11,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:37:11,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:37:11,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:37:11,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:37:11,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:37:11,093 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:37:11,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:37:11,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:37:11,094 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:37:11,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:37:11,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:37:11,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:37:11,095 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_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c8bfc4504f1d1d767281638f115bf6ca8337de4769381189ae1d6a9b301298b [2022-11-26 00:37:11,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:37:11,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:37:11,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:37:11,438 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:37:11,439 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:37:11,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i [2022-11-26 00:37:14,500 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:37:14,879 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:37:14,879 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i [2022-11-26 00:37:14,894 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/data/dd313e63f/58150d86725c4c01a065a905a9412ce5/FLAGbfb052c8a [2022-11-26 00:37:14,913 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/data/dd313e63f/58150d86725c4c01a065a905a9412ce5 [2022-11-26 00:37:14,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:37:14,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:37:14,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:37:14,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:37:14,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:37:14,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:37:14" (1/1) ... [2022-11-26 00:37:14,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34726610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:14, skipping insertion in model container [2022-11-26 00:37:14,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:37:14" (1/1) ... [2022-11-26 00:37:14,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:37:15,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:37:15,510 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_a7eace31-af6d-448e-b5d1-840c3dd84aa4/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i[33021,33034] [2022-11-26 00:37:15,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:37:15,754 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:37:15,804 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_a7eace31-af6d-448e-b5d1-840c3dd84aa4/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i[33021,33034] [2022-11-26 00:37:15,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:37:15,922 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:37:15,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:15 WrapperNode [2022-11-26 00:37:15,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:37:15,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:37:15,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:37:15,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:37:15,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:15" (1/1) ... [2022-11-26 00:37:15,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:15" (1/1) ... [2022-11-26 00:37:16,096 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-11-26 00:37:16,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:37:16,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:37:16,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:37:16,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:37:16,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:15" (1/1) ... [2022-11-26 00:37:16,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:15" (1/1) ... [2022-11-26 00:37:16,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:15" (1/1) ... [2022-11-26 00:37:16,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:15" (1/1) ... [2022-11-26 00:37:16,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:15" (1/1) ... [2022-11-26 00:37:16,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:15" (1/1) ... [2022-11-26 00:37:16,215 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:15" (1/1) ... [2022-11-26 00:37:16,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:15" (1/1) ... [2022-11-26 00:37:16,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:37:16,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:37:16,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:37:16,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:37:16,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:15" (1/1) ... [2022-11-26 00:37:16,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:37:16,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:37:16,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:37:16,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:37:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:37:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:37:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:37:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:37:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:37:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:37:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:37:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:37:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:37:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:37:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:37:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:37:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:37:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:37:16,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:37:16,790 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:37:16,793 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:37:18,564 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:37:19,095 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:37:19,095 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-11-26 00:37:19,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:37:19 BoogieIcfgContainer [2022-11-26 00:37:19,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:37:19,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:37:19,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:37:19,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:37:19,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:37:14" (1/3) ... [2022-11-26 00:37:19,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30413259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:37:19, skipping insertion in model container [2022-11-26 00:37:19,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:15" (2/3) ... [2022-11-26 00:37:19,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30413259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:37:19, skipping insertion in model container [2022-11-26 00:37:19,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:37:19" (3/3) ... [2022-11-26 00:37:19,108 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-2.i [2022-11-26 00:37:19,129 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:37:19,129 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:37:19,184 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:37:19,191 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;@7fe0d7ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:37:19,191 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:37:19,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:37:19,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:37:19,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:19,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:37:19,207 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:19,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:19,213 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-11-26 00:37:19,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:19,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813459841] [2022-11-26 00:37:19,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:19,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:19,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:37:19,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:37:19,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813459841] [2022-11-26 00:37:19,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813459841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:37:19,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:37:19,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:37:19,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160864665] [2022-11-26 00:37:19,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:37:19,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:37:19,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:37:19,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:37:19,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:37:19,485 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) 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) [2022-11-26 00:37:21,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:37:21,014 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-11-26 00:37:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:37:21,020 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 [2022-11-26 00:37:21,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:37:21,033 INFO L225 Difference]: With dead ends: 375 [2022-11-26 00:37:21,033 INFO L226 Difference]: Without dead ends: 220 [2022-11-26 00:37:21,037 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 [2022-11-26 00:37:21,041 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:37:21,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:37:21,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-26 00:37:21,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-26 00:37:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:37:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-26 00:37:21,103 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-26 00:37:21,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:37:21,103 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-26 00:37:21,104 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) [2022-11-26 00:37:21,104 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-26 00:37:21,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:37:21,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:21,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:37:21,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:37:21,108 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:21,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:21,109 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-11-26 00:37:21,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:21,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134405417] [2022-11-26 00:37:21,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:21,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:21,437 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:37:21,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [74335766] [2022-11-26 00:37:21,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:21,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:21,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:37:21,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:37:21,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:37:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:22,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:37:22,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:37:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:37:23,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:37:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:37:23,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:37:23,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134405417] [2022-11-26 00:37:23,144 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:37:23,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74335766] [2022-11-26 00:37:23,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74335766] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:37:23,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [141020376] [2022-11-26 00:37:23,168 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-26 00:37:23,168 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:37:23,174 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:37:23,180 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:37:23,181 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:37:23,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:23,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:37:23,464 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:37:23,464 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 [2022-11-26 00:37:23,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:23,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:37:23,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:37:23,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:23,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:23,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 00:37:24,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:37:24,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:37:24,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:37:24,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:37:24,306 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:37:24,306 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 [2022-11-26 00:37:24,354 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:37:24,355 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 [2022-11-26 00:37:24,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:37:24,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:24,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 00:37:24,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:37:24,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:37:24,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:37:24,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:24,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:37:25,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-26 00:37:25,134 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:37:33,261 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:37:40,952 WARN L233 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:37:40,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [141020376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:37:40,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:37:40,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:37:40,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278062643] [2022-11-26 00:37:40,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:37:40,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:37:40,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:37:40,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:37:40,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-26 00:37:40,965 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2022-11-26 00:37:46,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:37:48,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:37:50,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:37:53,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:37:53,956 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-26 00:37:53,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:37:53,957 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 52 [2022-11-26 00:37:53,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:37:53,958 INFO L225 Difference]: With dead ends: 265 [2022-11-26 00:37:53,959 INFO L226 Difference]: Without dead ends: 140 [2022-11-26 00:37:53,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 19.1s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-26 00:37:53,960 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 2 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:37:53,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 265 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 9.6s Time] [2022-11-26 00:37:53,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-26 00:37:53,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-26 00:37:53,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:37:53,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-26 00:37:53,984 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-26 00:37:53,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:37:53,984 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-26 00:37:53,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2022-11-26 00:37:53,985 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-26 00:37:53,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 00:37:53,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:53,987 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:37:54,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:37:54,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-26 00:37:54,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:54,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:54,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-11-26 00:37:54,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:54,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897825704] [2022-11-26 00:37:54,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:54,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:54,377 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:37:54,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1062766830] [2022-11-26 00:37:54,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:54,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:54,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:37:54,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:37:54,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:37:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:55,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:37:55,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:37:55,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:37:55,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:37:55,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:37:55,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:37:55,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897825704] [2022-11-26 00:37:55,812 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:37:55,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062766830] [2022-11-26 00:37:55,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062766830] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:37:55,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [467868917] [2022-11-26 00:37:55,817 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:37:55,817 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:37:55,817 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:37:55,818 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:37:55,818 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:37:55,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:55,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:37:55,950 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:37:55,951 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 [2022-11-26 00:37:55,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:55,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:55,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:55,982 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:37:55,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-26 00:37:56,028 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:37:56,029 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 [2022-11-26 00:37:56,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:37:56,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:37:56,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:37:56,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:37:56,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:37:56,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:37:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:37:56,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:37:56,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:37:56,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:37:56,863 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:37:56,863 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 [2022-11-26 00:37:56,940 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:37:56,940 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 [2022-11-26 00:37:56,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:56,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:37:57,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:37:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:57,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,370 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:37:57,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-26 00:37:57,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:37:57,423 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:37:57,423 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 [2022-11-26 00:37:57,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:37:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:37:57,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:37:57,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:37:57,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:37:57,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:37:57,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:37:57,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:37:57,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:57,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:37:58,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:37:58,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:37:58,255 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:37:58,256 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 [2022-11-26 00:37:58,273 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 [2022-11-26 00:37:58,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:37:58,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:58,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:37:58,747 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-26 00:37:58,841 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:38:06,882 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:38:15,352 WARN L233 SmtUtils]: Spent 6.36s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:38:25,157 WARN L233 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:38:37,840 WARN L233 SmtUtils]: Spent 6.53s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:38:51,134 WARN L233 SmtUtils]: Spent 7.11s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:38:51,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [467868917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:38:51,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:38:51,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:38:51,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721474542] [2022-11-26 00:38:51,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:38:51,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:38:51,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:38:51,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:38:51,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-26 00:38:51,724 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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) [2022-11-26 00:38:54,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:38:57,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:38:59,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:39:01,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:39:03,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:39:05,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:39:07,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:39:09,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:39:11,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:39:17,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:39:18,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:39:21,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:39:21,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:21,643 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-26 00:39:21,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:39:21,644 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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 65 [2022-11-26 00:39:21,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:21,646 INFO L225 Difference]: With dead ends: 267 [2022-11-26 00:39:21,646 INFO L226 Difference]: Without dead ends: 142 [2022-11-26 00:39:21,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 53.7s TimeCoverageRelationStatistics Valid=100, Invalid=196, Unknown=10, NotChecked=0, Total=306 [2022-11-26 00:39:21,648 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:21,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 453 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 256 Invalid, 9 Unknown, 0 Unchecked, 29.0s Time] [2022-11-26 00:39:21,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-26 00:39:21,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-26 00:39:21,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-26 00:39:21,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-26 00:39:21,680 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-26 00:39:21,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:21,680 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-26 00:39:21,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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) [2022-11-26 00:39:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-26 00:39:21,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:39:21,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:21,683 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:39:21,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 00:39:21,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-26 00:39:21,892 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:21,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:21,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-11-26 00:39:21,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:21,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80396812] [2022-11-26 00:39:21,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:21,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:22,039 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:39:22,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1990796929] [2022-11-26 00:39:22,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:22,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:39:22,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:39:22,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:39:22,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7eace31-af6d-448e-b5d1-840c3dd84aa4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:39:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:23,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:39:23,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:39:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:39:23,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:39:23,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:39:23,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:23,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80396812] [2022-11-26 00:39:23,574 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:39:23,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990796929] [2022-11-26 00:39:23,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990796929] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:39:23,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [434527528] [2022-11-26 00:39:23,577 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:39:23,577 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:39:23,578 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:39:23,578 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:39:23,578 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:39:23,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:23,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:39:23,695 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:39:23,695 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 [2022-11-26 00:39:23,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:23,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:39:23,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:39:23,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:23,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:39:23,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 00:39:24,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:39:24,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:39:24,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:39:24,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:39:24,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:39:24,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:39:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:39:24,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:39:24,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:39:24,408 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:39:24,409 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 [2022-11-26 00:39:24,424 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 [2022-11-26 00:39:24,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:39:24,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:39:24,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:39:24,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:39:24,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:39:24,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:39:24,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:39:24,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-26 00:39:24,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:39:24,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:39:24,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:39:24,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:24,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 00:39:24,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:39:24,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 00:39:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:25,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:25,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:25,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:25,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:25,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:25,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:25,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:25,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:25,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:25,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:25,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:25,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:25,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 00:39:25,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:39:25,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 00:39:26,284 INFO L217 Elim1Store]: Index analysis took 866 ms [2022-11-26 00:39:30,562 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 00:39:30,562 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 10752670 treesize of output 10752673 [2022-11-26 00:39:33,413 INFO L217 Elim1Store]: Index analysis took 2682 ms [2022-11-26 00:39:38,321 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 00:39:38,322 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 10752675 treesize of output 10752677 [2022-11-26 00:39:53,722 WARN L233 SmtUtils]: Spent 15.34s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:39:53,723 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:39:53,723 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 1481 [2022-11-26 00:39:53,928 INFO L217 Elim1Store]: Index analysis took 142 ms [2022-11-26 00:40:18,949 WARN L233 SmtUtils]: Spent 25.02s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:40:18,949 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:40:18,950 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 1824 [2022-11-26 00:40:19,905 INFO L217 Elim1Store]: Index analysis took 740 ms [2022-11-26 00:40:39,668 WARN L233 SmtUtils]: Spent 19.26s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:40:39,669 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:40:39,669 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 [2022-11-26 00:40:41,155 INFO L217 Elim1Store]: Index analysis took 141 ms [2022-11-26 00:40:41,700 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:40:41,700 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-26 00:40:41,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-26 00:40:42,147 INFO L217 Elim1Store]: Index analysis took 207 ms [2022-11-26 00:40:43,001 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:40:43,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-26 00:40:49,660 INFO L217 Elim1Store]: Index analysis took 613 ms