./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:42:48,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:42:48,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:42:48,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:42:48,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:42:48,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:42:48,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:42:48,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:42:48,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:42:48,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:42:48,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:42:48,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:42:48,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:42:48,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:42:48,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:42:48,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:42:48,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:42:48,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:42:48,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:42:48,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:42:48,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:42:48,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:42:48,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:42:48,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:42:48,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:42:48,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:42:48,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:42:48,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:42:48,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:42:48,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:42:48,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:42:48,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:42:48,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:42:48,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:42:48,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:42:48,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:42:48,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:42:48,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:42:48,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:42:48,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:42:48,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:42:48,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 15:42:48,915 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:42:48,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:42:48,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:42:48,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:42:48,922 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:42:48,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:42:48,923 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:42:48,923 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:42:48,923 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:42:48,923 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:42:48,924 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:42:48,924 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:42:48,924 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:42:48,924 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:42:48,924 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:42:48,925 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:42:48,925 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:42:48,925 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:42:48,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:42:48,926 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:42:48,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:42:48,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:42:48,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:42:48,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:42:48,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:42:48,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:42:48,927 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:42:48,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:42:48,927 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:42:48,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:42:48,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:42:48,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:42:48,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:42:48,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:42:48,929 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:42:48,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:42:48,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:42:48,929 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:42:48,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:42:48,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:42:48,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:42:48,930 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_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2022-12-14 15:42:49,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:42:49,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:42:49,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:42:49,138 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:42:49,138 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:42:49,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2022-12-14 15:42:51,629 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:42:51,885 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:42:51,886 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2022-12-14 15:42:51,900 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/data/17c8664d1/5a2c7d6a00a34467956afb992c019ec7/FLAG362e9d1ec [2022-12-14 15:42:52,231 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/data/17c8664d1/5a2c7d6a00a34467956afb992c019ec7 [2022-12-14 15:42:52,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:42:52,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:42:52,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:42:52,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:42:52,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:42:52,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:42:52" (1/1) ... [2022-12-14 15:42:52,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fd9f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52, skipping insertion in model container [2022-12-14 15:42:52,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:42:52" (1/1) ... [2022-12-14 15:42:52,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:42:52,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:42:52,564 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_8073bc95-27e1-430b-a72a-e2dd590bb68b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i[33021,33034] [2022-12-14 15:42:52,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:42:52,653 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:42:52,674 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_8073bc95-27e1-430b-a72a-e2dd590bb68b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i[33021,33034] [2022-12-14 15:42:52,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:42:52,747 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:42:52,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52 WrapperNode [2022-12-14 15:42:52,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:42:52,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:42:52,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:42:52,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:42:52,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52" (1/1) ... [2022-12-14 15:42:52,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52" (1/1) ... [2022-12-14 15:42:52,832 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1437 [2022-12-14 15:42:52,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:42:52,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:42:52,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:42:52,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:42:52,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52" (1/1) ... [2022-12-14 15:42:52,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52" (1/1) ... [2022-12-14 15:42:52,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52" (1/1) ... [2022-12-14 15:42:52,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52" (1/1) ... [2022-12-14 15:42:52,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52" (1/1) ... [2022-12-14 15:42:52,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52" (1/1) ... [2022-12-14 15:42:52,908 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52" (1/1) ... [2022-12-14 15:42:52,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52" (1/1) ... [2022-12-14 15:42:52,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:42:52,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:42:52,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:42:52,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:42:52,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52" (1/1) ... [2022-12-14 15:42:52,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:42:52,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:42:52,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:42:52,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:42:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:42:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 15:42:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 15:42:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:42:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:42:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:42:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:42:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:42:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:42:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:42:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:42:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:42:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:42:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:42:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:42:53,170 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:42:53,172 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:42:54,439 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:42:54,787 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:42:54,788 INFO L300 CfgBuilder]: Removed 77 assume(true) statements. [2022-12-14 15:42:54,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:42:54 BoogieIcfgContainer [2022-12-14 15:42:54,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:42:54,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:42:54,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:42:54,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:42:54,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:42:52" (1/3) ... [2022-12-14 15:42:54,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55162827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:42:54, skipping insertion in model container [2022-12-14 15:42:54,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:42:52" (2/3) ... [2022-12-14 15:42:54,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55162827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:42:54, skipping insertion in model container [2022-12-14 15:42:54,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:42:54" (3/3) ... [2022-12-14 15:42:54,796 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-3.i [2022-12-14 15:42:54,809 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:42:54,809 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 15:42:54,845 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:42:54,850 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;@60238afc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:42:54,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 15:42:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 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) [2022-12-14 15:42:54,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 15:42:54,860 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:42:54,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:42:54,861 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:42:54,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:42:54,865 INFO L85 PathProgramCache]: Analyzing trace with hash -810098709, now seen corresponding path program 1 times [2022-12-14 15:42:54,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:42:54,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690265220] [2022-12-14 15:42:54,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:42:54,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:42:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:42:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:42:55,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:42:55,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690265220] [2022-12-14 15:42:55,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690265220] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:42:55,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:42:55,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:42:55,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858378669] [2022-12-14 15:42:55,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:42:55,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:42:55,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:42:55,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:42:55,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:42:55,038 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 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) [2022-12-14 15:42:57,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:42:57,093 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2022-12-14 15:42:57,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:42:57,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 15:42:57,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:42:57,111 INFO L225 Difference]: With dead ends: 399 [2022-12-14 15:42:57,111 INFO L226 Difference]: Without dead ends: 220 [2022-12-14 15:42:57,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:42:57,118 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 97 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:42:57,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 365 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 15:42:57,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-12-14 15:42:57,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-12-14 15:42:57,158 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) [2022-12-14 15:42:57,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-12-14 15:42:57,160 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-12-14 15:42:57,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:42:57,161 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-12-14 15:42:57,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:42:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-12-14 15:42:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 15:42:57,163 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:42:57,163 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] [2022-12-14 15:42:57,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:42:57,164 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:42:57,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:42:57,164 INFO L85 PathProgramCache]: Analyzing trace with hash 761830316, now seen corresponding path program 1 times [2022-12-14 15:42:57,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:42:57,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49548721] [2022-12-14 15:42:57,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:42:57,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:42:57,389 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:42:57,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [990233379] [2022-12-14 15:42:57,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:42:57,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:42:57,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:42:57,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:42:57,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:42:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:42:58,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 15:42:58,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:42:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:42:58,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:42:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:42:58,430 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:42:58,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49548721] [2022-12-14 15:42:58,431 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:42:58,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990233379] [2022-12-14 15:42:58,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990233379] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:42:58,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [580579366] [2022-12-14 15:42:58,446 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-12-14 15:42:58,446 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:42:58,449 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:42:58,453 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:42:58,453 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:42:58,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:58,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:42:58,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:58,562 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:42:58,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 15:42:58,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:58,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:42:58,624 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 15:42:58,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 15:42:58,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:58,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:42:58,675 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:42:58,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 15:42:58,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:42:58,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:58,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:58,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:58,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 15:42:59,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 15:42:59,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:42:59,157 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 15:42:59,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 15:42:59,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:42:59,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:42:59,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,191 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:42:59,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 15:42:59,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:42:59,241 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:42:59,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 15:42:59,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 15:42:59,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:42:59,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 15:42:59,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:42:59,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:42:59,681 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:43:14,399 WARN L233 SmtUtils]: Spent 5.18s 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) [2022-12-14 15:43:14,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [580579366] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:14,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 15:43:14,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 15:43:14,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042616435] [2022-12-14 15:43:14,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:14,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 15:43:14,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:14,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 15:43:14,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 15:43:14,404 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) [2022-12-14 15:43:17,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:43:19,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:43:21,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:43:28,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:43:30,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:43:30,313 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-12-14 15:43:30,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 15:43:30,314 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 [2022-12-14 15:43:30,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:43:30,315 INFO L225 Difference]: With dead ends: 265 [2022-12-14 15:43:30,315 INFO L226 Difference]: Without dead ends: 140 [2022-12-14 15:43:30,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 15:43:30,316 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:43:30,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 461 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 212 Invalid, 3 Unknown, 0 Unchecked, 14.7s Time] [2022-12-14 15:43:30,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-12-14 15:43:30,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-12-14 15:43:30,328 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) [2022-12-14 15:43:30,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-12-14 15:43:30,329 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-12-14 15:43:30,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:43:30,329 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-12-14 15:43:30,329 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) [2022-12-14 15:43:30,329 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-12-14 15:43:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 15:43:30,330 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:30,331 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] [2022-12-14 15:43:30,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:43:30,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:43:30,532 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:43:30,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:30,534 INFO L85 PathProgramCache]: Analyzing trace with hash 583681991, now seen corresponding path program 1 times [2022-12-14 15:43:30,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:30,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016837261] [2022-12-14 15:43:30,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:30,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:30,696 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:43:30,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2002764587] [2022-12-14 15:43:30,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:30,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:43:30,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:43:30,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:43:30,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:43:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:31,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 15:43:31,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:43:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:43:31,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:43:31,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:43:31,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:31,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016837261] [2022-12-14 15:43:31,544 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:43:31,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002764587] [2022-12-14 15:43:31,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002764587] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:43:31,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [931591654] [2022-12-14 15:43:31,548 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 15:43:31,548 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:43:31,549 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:43:31,549 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:43:31,549 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:43:31,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:43:31,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,631 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:43:31,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 15:43:31,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:43:31,672 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 15:43:31,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 15:43:31,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:43:31,715 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:43:31,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 15:43:31,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:31,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 15:43:32,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 15:43:32,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:43:32,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:43:32,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 15:43:32,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:43:32,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:43:32,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 15:43:32,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 15:43:32,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:43:32,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 15:43:32,335 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 15:43:32,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 15:43:32,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 15:43:32,673 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:43:32,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 15:43:32,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:43:32,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:43:32,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 15:43:32,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:43:32,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 15:43:32,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:32,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 15:43:33,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 15:43:33,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:43:33,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:43:33,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:43:33,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:43:33,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 15:43:33,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 15:43:33,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 15:43:33,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:43:33,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:43:33,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 15:43:33,342 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 15:43:33,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 15:43:33,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 15:43:33,593 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 15:43:34,033 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:43:46,828 WARN L233 SmtUtils]: Spent 5.40s 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) [2022-12-14 15:43:56,614 WARN L233 SmtUtils]: Spent 5.69s 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) [2022-12-14 15:44:08,291 WARN L233 SmtUtils]: Spent 5.55s 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) [2022-12-14 15:44:20,853 WARN L233 SmtUtils]: Spent 6.41s 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) [2022-12-14 15:44:21,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [931591654] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:21,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 15:44:21,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 15:44:21,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955123576] [2022-12-14 15:44:21,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:21,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 15:44:21,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:21,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 15:44:21,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 15:44:21,351 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) [2022-12-14 15:44:23,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:44:25,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:44:27,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:44:29,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:44:31,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:44:33,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:44:36,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:44:38,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:44:40,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:44:49,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:44:51,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:44:53,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 15:44:56,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:44:56,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:56,286 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-12-14 15:44:56,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 15:44:56,287 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 [2022-12-14 15:44:56,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:56,288 INFO L225 Difference]: With dead ends: 267 [2022-12-14 15:44:56,288 INFO L226 Difference]: Without dead ends: 142 [2022-12-14 15:44:56,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 47.3s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 15:44:56,290 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:56,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 749 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 433 Invalid, 10 Unknown, 0 Unchecked, 34.9s Time] [2022-12-14 15:44:56,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-14 15:44:56,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-12-14 15:44:56,315 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) [2022-12-14 15:44:56,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-12-14 15:44:56,317 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-12-14 15:44:56,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:56,317 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-12-14 15:44:56,317 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) [2022-12-14 15:44:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-12-14 15:44:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 15:44:56,319 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:56,320 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] [2022-12-14 15:44:56,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 15:44:56,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:44:56,522 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:44:56,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:56,523 INFO L85 PathProgramCache]: Analyzing trace with hash 501515405, now seen corresponding path program 1 times [2022-12-14 15:44:56,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:56,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994307230] [2022-12-14 15:44:56,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:56,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:56,643 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:44:56,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275985694] [2022-12-14 15:44:56,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:56,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:44:56,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:44:56,644 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:44:56,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8073bc95-27e1-430b-a72a-e2dd590bb68b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 15:44:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:57,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 15:44:57,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:44:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 15:44:57,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:44:57,549 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 15:44:57,549 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:57,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994307230] [2022-12-14 15:44:57,549 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:44:57,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275985694] [2022-12-14 15:44:57,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275985694] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:44:57,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1537263667] [2022-12-14 15:44:57,552 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 15:44:57,553 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:44:57,553 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:44:57,553 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:44:57,553 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:44:57,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:57,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:44:57,662 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 15:44:57,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 15:44:57,695 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:44:57,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 15:44:57,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:57,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:44:57,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:57,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:44:57,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 15:44:58,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:44:58,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 15:44:58,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 15:44:58,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:44:58,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:44:58,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:44:58,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 15:44:58,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 15:44:58,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 15:44:58,270 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 15:44:58,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 15:44:58,323 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 15:44:58,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 15:44:58,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:44:58,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 15:44:58,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 15:44:58,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 15:44:58,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:44:58,550 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 15:44:58,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2022-12-14 15:44:58,574 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:44:58,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-12-14 15:44:58,594 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:44:58,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 15:44:58,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 15:44:58,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 15:44:58,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 15:44:58,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 15:44:58,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 15:44:58,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 15:44:58,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:44:58,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 15:44:58,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 15:44:58,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 15:45:00,087 INFO L217 Elim1Store]: Index analysis took 940 ms [2022-12-14 15:45:02,859 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 15:45:02,859 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 [2022-12-14 15:45:03,401 INFO L217 Elim1Store]: Index analysis took 441 ms [2022-12-14 15:45:05,109 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 15:45:05,110 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 [2022-12-14 15:45:11,904 WARN L233 SmtUtils]: Spent 6.61s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:45:11,905 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 15:45:11,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 15:45:32,467 WARN L233 SmtUtils]: Spent 20.48s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:45:32,467 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 15:45:32,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-12-14 15:45:33,256 INFO L217 Elim1Store]: Index analysis took 651 ms [2022-12-14 15:45:54,503 WARN L233 SmtUtils]: Spent 20.88s on a formula simplification. DAG size of input: 252 DAG size of output: 150 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:45:54,504 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-12-14 15:45:54,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 2093 [2022-12-14 15:45:55,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:45:55,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:45:55,256 INFO L217 Elim1Store]: Index analysis took 248 ms [2022-12-14 15:45:55,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 89 [2022-12-14 15:45:55,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:55,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 15:45:55,419 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:45:55,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:45:55,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2022-12-14 15:45:55,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:55,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:55,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 57 [2022-12-14 15:45:56,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:45:56,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 15:48:46,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:46,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 15:52:31,623 WARN L233 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 4121 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 15:54:53,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-12-14 15:54:53,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-12-14 15:54:53,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:54:53,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20