./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/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_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/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_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/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 f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- 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 07:50:08,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:50:08,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:50:08,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:50:08,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:50:08,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:50:08,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:50:08,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:50:08,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:50:08,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:50:08,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:50:08,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:50:08,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:50:08,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:50:08,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:50:08,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:50:08,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:50:08,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:50:08,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:50:08,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:50:08,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:50:08,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:50:08,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:50:08,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:50:08,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:50:08,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:50:08,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:50:08,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:50:08,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:50:08,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:50:08,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:50:08,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:50:08,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:50:08,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:50:08,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:50:08,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:50:08,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:50:08,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:50:08,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:50:08,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:50:08,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:50:08,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 07:50:08,864 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:50:08,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:50:08,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:50:08,865 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:50:08,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:50:08,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:50:08,865 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:50:08,865 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:50:08,866 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:50:08,866 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:50:08,866 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:50:08,866 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:50:08,866 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:50:08,866 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:50:08,866 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:50:08,866 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:50:08,866 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:50:08,867 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:50:08,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:50:08,867 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:50:08,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:50:08,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:50:08,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:50:08,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:50:08,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:50:08,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:50:08,868 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:50:08,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:50:08,868 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:50:08,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:50:08,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:50:08,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:50:08,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:50:08,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:50:08,869 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:50:08,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:50:08,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:50:08,869 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:50:08,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:50:08,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:50:08,869 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:50:08,870 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_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2022-12-14 07:50:09,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:50:09,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:50:09,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:50:09,063 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:50:09,064 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:50:09,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2022-12-14 07:50:11,677 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:50:11,985 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:50:11,985 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2022-12-14 07:50:12,003 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/data/7594820e8/0d7b93c60cd048c6bbf2d77a08ef8f4e/FLAG02c25242f [2022-12-14 07:50:12,017 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/data/7594820e8/0d7b93c60cd048c6bbf2d77a08ef8f4e [2022-12-14 07:50:12,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:50:12,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:50:12,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:50:12,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:50:12,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:50:12,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:50:12" (1/1) ... [2022-12-14 07:50:12,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c26ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12, skipping insertion in model container [2022-12-14 07:50:12,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:50:12" (1/1) ... [2022-12-14 07:50:12,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:50:12,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:50:12,438 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_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2022-12-14 07:50:12,601 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:50:12,603 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_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2022-12-14 07:50:12,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:50:12,618 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:50:12,645 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_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2022-12-14 07:50:12,741 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:50:12,742 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_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2022-12-14 07:50:12,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:50:12,777 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:50:12,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12 WrapperNode [2022-12-14 07:50:12,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:50:12,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:50:12,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:50:12,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:50:12,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12" (1/1) ... [2022-12-14 07:50:12,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12" (1/1) ... [2022-12-14 07:50:12,904 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-12-14 07:50:12,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:50:12,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:50:12,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:50:12,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:50:12,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12" (1/1) ... [2022-12-14 07:50:12,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12" (1/1) ... [2022-12-14 07:50:12,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12" (1/1) ... [2022-12-14 07:50:12,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12" (1/1) ... [2022-12-14 07:50:12,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12" (1/1) ... [2022-12-14 07:50:12,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12" (1/1) ... [2022-12-14 07:50:12,988 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12" (1/1) ... [2022-12-14 07:50:12,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12" (1/1) ... [2022-12-14 07:50:13,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:50:13,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:50:13,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:50:13,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:50:13,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12" (1/1) ... [2022-12-14 07:50:13,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:50:13,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:50:13,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:50:13,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:50:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:50:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 07:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:50:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:50:13,195 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:50:13,197 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:50:15,092 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:50:15,416 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:50:15,416 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-12-14 07:50:15,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:50:15 BoogieIcfgContainer [2022-12-14 07:50:15,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:50:15,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:50:15,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:50:15,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:50:15,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:50:12" (1/3) ... [2022-12-14 07:50:15,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b86926e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:50:15, skipping insertion in model container [2022-12-14 07:50:15,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:12" (2/3) ... [2022-12-14 07:50:15,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b86926e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:50:15, skipping insertion in model container [2022-12-14 07:50:15,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:50:15" (3/3) ... [2022-12-14 07:50:15,426 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-1.i [2022-12-14 07:50:15,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:50:15,440 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 07:50:15,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:50:15,498 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;@45d6827a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:50:15,498 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 07:50:15,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 07:50:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 07:50:15,509 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:50:15,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:50:15,510 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:50:15,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:50:15,514 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-12-14 07:50:15,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:50:15,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794291900] [2022-12-14 07:50:15,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:15,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:50:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:50:15,653 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 07:50:15,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:50:15,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794291900] [2022-12-14 07:50:15,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794291900] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:50:15,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:50:15,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:50:15,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900702078] [2022-12-14 07:50:15,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:50:15,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 07:50:15,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:50:15,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 07:50:15,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:50:15,693 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:50:16,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:50:16,453 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-12-14 07:50:16,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 07:50:16,459 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 07:50:16,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:50:16,480 INFO L225 Difference]: With dead ends: 2197 [2022-12-14 07:50:16,480 INFO L226 Difference]: Without dead ends: 1097 [2022-12-14 07:50:16,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:50:16,497 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:50:16,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 07:50:16,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-12-14 07:50:16,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-12-14 07:50:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 07:50:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-12-14 07:50:16,730 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-12-14 07:50:16,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:50:16,731 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-12-14 07:50:16,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:50:16,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-12-14 07:50:16,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 07:50:16,732 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:50:16,732 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] [2022-12-14 07:50:16,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:50:16,732 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:50:16,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:50:16,733 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-12-14 07:50:16,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:50:16,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009868358] [2022-12-14 07:50:16,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:16,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:50:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:50:16,938 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 07:50:16,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:50:16,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009868358] [2022-12-14 07:50:16,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009868358] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:50:16,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:50:16,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:50:16,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175110872] [2022-12-14 07:50:16,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:50:16,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:50:16,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:50:16,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:50:16,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:50:16,942 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:50:18,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:50:18,546 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-12-14 07:50:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:50:18,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-14 07:50:18,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:50:18,558 INFO L225 Difference]: With dead ends: 3192 [2022-12-14 07:50:18,558 INFO L226 Difference]: Without dead ends: 2148 [2022-12-14 07:50:18,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:50:18,563 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:50:18,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 07:50:18,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-12-14 07:50:18,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-12-14 07:50:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 07:50:18,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-12-14 07:50:18,911 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-12-14 07:50:18,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:50:18,911 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-12-14 07:50:18,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:50:18,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-12-14 07:50:18,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 07:50:18,914 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:50:18,914 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:50:18,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:50:18,914 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:50:18,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:50:18,915 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-12-14 07:50:18,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:50:18,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731290638] [2022-12-14 07:50:18,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:18,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:50:19,032 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:50:19,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1797104806] [2022-12-14 07:50:19,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:19,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:19,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:50:19,034 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:50:19,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:50:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:50:19,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 07:50:19,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:50:19,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:50:19,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:50:19,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:50:19,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731290638] [2022-12-14 07:50:19,600 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:50:19,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797104806] [2022-12-14 07:50:19,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797104806] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:50:19,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:50:19,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:50:19,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797837494] [2022-12-14 07:50:19,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:50:19,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:50:19,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:50:19,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:50:19,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:50:19,602 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:50:20,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:50:20,806 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-12-14 07:50:20,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:50:20,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-12-14 07:50:20,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:50:20,820 INFO L225 Difference]: With dead ends: 3230 [2022-12-14 07:50:20,820 INFO L226 Difference]: Without dead ends: 2134 [2022-12-14 07:50:20,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 07:50:20,824 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:50:20,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 07:50:20,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-12-14 07:50:21,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-12-14 07:50:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-12-14 07:50:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-12-14 07:50:21,105 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-12-14 07:50:21,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:50:21,105 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-12-14 07:50:21,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:50:21,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-12-14 07:50:21,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 07:50:21,107 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:50:21,107 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:50:21,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:50:21,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:21,309 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:50:21,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:50:21,310 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-12-14 07:50:21,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:50:21,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963936784] [2022-12-14 07:50:21,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:21,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:50:21,400 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:50:21,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [831567246] [2022-12-14 07:50:21,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:21,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:21,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:50:21,403 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:50:21,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:50:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:50:21,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 07:50:21,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:50:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:50:21,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:50:21,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:50:21,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963936784] [2022-12-14 07:50:21,867 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:50:21,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831567246] [2022-12-14 07:50:21,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831567246] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:50:21,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:50:21,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:50:21,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202452686] [2022-12-14 07:50:21,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:50:21,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:50:21,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:50:21,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:50:21,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:50:21,870 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 07:50:23,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:50:23,524 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-12-14 07:50:23,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:50:23,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-12-14 07:50:23,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:50:23,530 INFO L225 Difference]: With dead ends: 3228 [2022-12-14 07:50:23,531 INFO L226 Difference]: Without dead ends: 1112 [2022-12-14 07:50:23,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:50:23,537 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:50:23,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 07:50:23,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-12-14 07:50:23,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-12-14 07:50:23,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 07:50:23,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-12-14 07:50:23,662 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-12-14 07:50:23,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:50:23,662 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-12-14 07:50:23,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 07:50:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-12-14 07:50:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 07:50:23,664 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:50:23,664 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:50:23,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:50:23,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:23,865 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:50:23,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:50:23,865 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-12-14 07:50:23,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:50:23,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385475632] [2022-12-14 07:50:23,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:23,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:50:23,907 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:50:23,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1509908524] [2022-12-14 07:50:23,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:23,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:23,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:50:23,909 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:50:23,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:50:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:50:36,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 07:50:36,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:50:36,876 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:50:36,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:50:36,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:50:36,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385475632] [2022-12-14 07:50:36,876 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:50:36,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509908524] [2022-12-14 07:50:36,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509908524] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:50:36,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:50:36,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:50:36,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130855176] [2022-12-14 07:50:36,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:50:36,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:50:36,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:50:36,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:50:36,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:50:36,878 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:50:38,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:50:38,030 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-12-14 07:50:38,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:50:38,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2022-12-14 07:50:38,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:50:38,041 INFO L225 Difference]: With dead ends: 2207 [2022-12-14 07:50:38,041 INFO L226 Difference]: Without dead ends: 1114 [2022-12-14 07:50:38,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:50:38,046 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:50:38,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 07:50:38,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-12-14 07:50:38,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-12-14 07:50:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-12-14 07:50:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-12-14 07:50:38,250 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-12-14 07:50:38,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:50:38,250 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-12-14 07:50:38,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:50:38,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-12-14 07:50:38,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 07:50:38,252 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:50:38,252 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:50:38,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 07:50:38,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:38,452 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:50:38,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:50:38,453 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-12-14 07:50:38,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:50:38,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523277567] [2022-12-14 07:50:38,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:38,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:50:38,503 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:50:38,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1440051872] [2022-12-14 07:50:38,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:38,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:38,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:50:38,505 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:50:38,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cbc8d7-e01c-4a11-9d31-f52c53a3e2b5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 07:51:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:51:19,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 07:51:19,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:51:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 07:51:19,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:51:19,437 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:51:19,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:51:19,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523277567] [2022-12-14 07:51:19,437 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:51:19,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440051872] [2022-12-14 07:51:19,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440051872] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:51:19,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1353411811] [2022-12-14 07:51:19,459 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-12-14 07:51:19,459 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:51:19,462 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:51:19,467 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:51:19,468 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:51:19,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 07:51:19,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:19,569 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:51:19,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 07:51:19,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:19,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 07:51:19,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:19,590 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 07:51:19,598 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 15 treesize of output 1 [2022-12-14 07:51:19,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:19,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:19,652 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:51:19,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 07:51:19,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:19,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:19,690 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:51:19,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 07:51:19,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:19,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:19,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:19,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:19,710 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 52 treesize of output 49 [2022-12-14 07:51:19,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:19,733 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 07:51:19,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:19,747 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 07:51:20,050 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 07:51:20,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-12-14 07:51:20,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-12-14 07:51:20,163 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 07:51:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 07:51:20,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 07:51:20,295 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 07:51:20,306 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 07:51:20,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 07:51:20,387 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 07:51:20,407 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 07:51:20,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,457 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 07:51:20,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-12-14 07:51:20,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,519 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:51:20,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-12-14 07:51:20,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 07:51:20,694 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 07:51:20,698 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 07:51:20,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 07:51:20,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 07:51:20,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 07:51:20,750 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 07:51:20,754 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 07:51:20,758 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 07:51:20,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:20,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 07:51:20,858 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 07:51:20,877 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 07:51:21,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:21,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 07:51:21,078 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 07:51:21,094 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 07:51:21,778 INFO L217 Elim1Store]: Index analysis took 467 ms [2022-12-14 07:51:25,032 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-12-14 07:51:25,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-12-14 07:51:26,655 INFO L217 Elim1Store]: Index analysis took 1455 ms [2022-12-14 07:51:27,263 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-12-14 07:51:27,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-12-14 07:51:32,778 WARN L233 SmtUtils]: Spent 5.42s 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 07:51:32,779 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 07:51:32,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-12-14 07:51:33,067 INFO L217 Elim1Store]: Index analysis took 149 ms [2022-12-14 07:51:50,743 WARN L233 SmtUtils]: Spent 17.67s 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 07:51:50,743 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 07:51:50,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-12-14 07:51:52,014 INFO L217 Elim1Store]: Index analysis took 827 ms [2022-12-14 07:52:14,028 WARN L233 SmtUtils]: Spent 21.55s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:52:14,029 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-12-14 07:52:14,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 4294 treesize of output 11953 [2022-12-14 07:52:15,165 INFO L217 Elim1Store]: Index analysis took 121 ms [2022-12-14 07:52:15,595 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 07:52:15,595 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 3 case distinctions, treesize of input 91 treesize of output 73 [2022-12-14 07:52:15,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 07:52:16,096 INFO L217 Elim1Store]: Index analysis took 256 ms [2022-12-14 07:52:16,662 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:52:16,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-12-14 07:52:17,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:17,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-12-14 07:52:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:17,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 07:52:17,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:17,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 07:52:17,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:17,318 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 32 treesize of output 20 [2022-12-14 07:52:17,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:17,372 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 32 treesize of output 20 [2022-12-14 07:52:18,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:18,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 07:52:18,903 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:52:19,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:19,165 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 32 treesize of output 20 [2022-12-14 07:52:19,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:19,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:19,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 07:52:19,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:19,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 07:52:19,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:19,665 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 07:52:19,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:19,989 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 07:52:20,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:20,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:20,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:20,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 07:52:29,596 INFO L217 Elim1Store]: Index analysis took 1143 ms [2022-12-14 08:02:12,783 WARN L233 SmtUtils]: Spent 9.72m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 08:02:12,784 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-12-14 08:02:12,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-12-14 08:03:05,074 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:03:05,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:05,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:05,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:05,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:05,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:10,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:10,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:10,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:10,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:10,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:10,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:10,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:10,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:14,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:14,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:14,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:14,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:39,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:39,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:39,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:39,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:39,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:39,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:39,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:55,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:55,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:55,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:03:55,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:01,092 INFO L217 Elim1Store]: Index analysis took 55361 ms [2022-12-14 08:04:01,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-12-14 08:04:02,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:02,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:02,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:02,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:02,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:03,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:03,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:03,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:03,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:03,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:03,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:03,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:03,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:04,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:04,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:04,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:04,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:09,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:09,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:09,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:09,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:09,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:09,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:09,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:13,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:13,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:13,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:13,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:14,531 INFO L217 Elim1Store]: Index analysis took 12466 ms [2022-12-14 08:04:14,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-12-14 08:04:19,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:20,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:21,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:28,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:31,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:31,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:31,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:31,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:32,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:32,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:35,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:35,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:36,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:39,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:45,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:48,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:48,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:48,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:52,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:52,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:53,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:54,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:56,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:57,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:04:58,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:05:00,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:05:00,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:05:00,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:05:00,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:05:00,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:05:00,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:05:00,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:05:00,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:05:00,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:05:00,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:05:00,754 INFO L217 Elim1Store]: Index analysis took 45498 ms