./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/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_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/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_764cf8c4-d026-4a4c-bef0-389847749514/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 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 --- 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 07:21:06,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:21:06,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:21:06,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:21:06,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:21:06,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:21:06,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:21:06,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:21:06,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:21:06,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:21:06,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:21:06,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:21:06,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:21:06,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:21:06,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:21:06,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:21:06,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:21:06,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:21:06,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:21:06,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:21:06,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:21:06,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:21:06,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:21:06,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:21:06,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:21:06,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:21:06,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:21:06,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:21:06,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:21:06,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:21:06,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:21:06,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:21:06,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:21:06,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:21:06,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:21:06,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:21:06,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:21:06,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:21:06,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:21:06,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:21:06,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:21:06,683 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 07:21:06,705 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:21:06,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:21:06,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:21:06,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:21:06,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:21:06,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:21:06,706 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:21:06,707 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:21:06,707 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:21:06,707 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:21:06,707 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:21:06,707 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:21:06,707 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:21:06,707 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:21:06,708 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:21:06,708 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:21:06,708 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:21:06,708 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:21:06,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:21:06,709 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:21:06,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:21:06,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:21:06,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:21:06,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:21:06,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:21:06,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:21:06,710 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:21:06,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:21:06,710 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:21:06,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:21:06,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:21:06,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:21:06,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:21:06,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:21:06,724 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:21:06,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:21:06,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:21:06,724 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:21:06,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:21:06,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:21:06,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:21:06,725 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_764cf8c4-d026-4a4c-bef0-389847749514/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 [2022-12-14 07:21:06,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:21:06,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:21:06,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:21:06,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:21:06,934 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:21:06,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2022-12-14 07:21:09,503 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:21:09,750 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:21:09,751 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2022-12-14 07:21:09,764 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/data/48bef5f5c/7d03796125c444879d1981c76982dcc6/FLAG9739bf393 [2022-12-14 07:21:10,088 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/data/48bef5f5c/7d03796125c444879d1981c76982dcc6 [2022-12-14 07:21:10,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:21:10,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:21:10,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:21:10,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:21:10,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:21:10,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:21:10" (1/1) ... [2022-12-14 07:21:10,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc73e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10, skipping insertion in model container [2022-12-14 07:21:10,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:21:10" (1/1) ... [2022-12-14 07:21:10,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:21:10,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:21:10,549 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_764cf8c4-d026-4a4c-bef0-389847749514/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i[33021,33034] [2022-12-14 07:21:10,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:21:10,648 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:21:10,670 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_764cf8c4-d026-4a4c-bef0-389847749514/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i[33021,33034] [2022-12-14 07:21:10,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:21:10,748 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:21:10,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10 WrapperNode [2022-12-14 07:21:10,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:21:10,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:21:10,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:21:10,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:21:10,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10" (1/1) ... [2022-12-14 07:21:10,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10" (1/1) ... [2022-12-14 07:21:10,843 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1437 [2022-12-14 07:21:10,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:21:10,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:21:10,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:21:10,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:21:10,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10" (1/1) ... [2022-12-14 07:21:10,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10" (1/1) ... [2022-12-14 07:21:10,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10" (1/1) ... [2022-12-14 07:21:10,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10" (1/1) ... [2022-12-14 07:21:10,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10" (1/1) ... [2022-12-14 07:21:10,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10" (1/1) ... [2022-12-14 07:21:10,906 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10" (1/1) ... [2022-12-14 07:21:10,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10" (1/1) ... [2022-12-14 07:21:10,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:21:10,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:21:10,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:21:10,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:21:10,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10" (1/1) ... [2022-12-14 07:21:10,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:21:10,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:21:10,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:21:10,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:21:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:21:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:21:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:21:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:21:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:21:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:21:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:21:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:21:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:21:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:21:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:21:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:21:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:21:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:21:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:21:11,167 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:21:11,169 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:21:12,399 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:21:12,766 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:21:12,766 INFO L300 CfgBuilder]: Removed 77 assume(true) statements. [2022-12-14 07:21:12,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:21:12 BoogieIcfgContainer [2022-12-14 07:21:12,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:21:12,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:21:12,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:21:12,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:21:12,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:21:10" (1/3) ... [2022-12-14 07:21:12,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227adf73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:21:12, skipping insertion in model container [2022-12-14 07:21:12,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:10" (2/3) ... [2022-12-14 07:21:12,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227adf73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:21:12, skipping insertion in model container [2022-12-14 07:21:12,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:21:12" (3/3) ... [2022-12-14 07:21:12,776 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-3.i [2022-12-14 07:21:12,792 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:21:12,792 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:21:12,829 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:21:12,834 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;@54e6f2c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:21:12,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:21:12,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 07:21:12,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 07:21:12,844 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:21:12,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:21:12,845 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:21:12,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:21:12,848 INFO L85 PathProgramCache]: Analyzing trace with hash -810098709, now seen corresponding path program 1 times [2022-12-14 07:21:12,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:21:12,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849350664] [2022-12-14 07:21:12,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:12,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:21:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:21:12,993 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 07:21:12,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:21:12,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849350664] [2022-12-14 07:21:12,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849350664] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:21:12,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:21:12,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:21:12,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941946256] [2022-12-14 07:21:12,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:21:13,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:21:13,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:21:13,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:21:13,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:21:13,026 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:21:15,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:21:15,047 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2022-12-14 07:21:15,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:21:15,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 07:21:15,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:21:15,062 INFO L225 Difference]: With dead ends: 399 [2022-12-14 07:21:15,062 INFO L226 Difference]: Without dead ends: 220 [2022-12-14 07:21:15,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:21:15,066 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 97 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:21:15,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 365 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 07:21:15,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-12-14 07:21:15,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-12-14 07:21:15,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 07:21:15,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-12-14 07:21:15,100 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-12-14 07:21:15,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:21:15,100 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-12-14 07:21:15,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:21:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-12-14 07:21:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 07:21:15,102 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:21:15,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:21:15,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:21:15,102 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:21:15,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:21:15,103 INFO L85 PathProgramCache]: Analyzing trace with hash 761830316, now seen corresponding path program 1 times [2022-12-14 07:21:15,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:21:15,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153235873] [2022-12-14 07:21:15,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:15,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:21:15,285 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:21:15,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733469738] [2022-12-14 07:21:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:15,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:21:15,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:21:15,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:21:15,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:21:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:21:16,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:21:16,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:21:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:21:16,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:21:16,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:21:16,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:21:16,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153235873] [2022-12-14 07:21:16,270 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:21:16,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733469738] [2022-12-14 07:21:16,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733469738] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:21:16,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [954226137] [2022-12-14 07:21:16,290 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-12-14 07:21:16,290 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:21:16,293 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:21:16,297 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:21:16,298 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:21:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:21:16,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,451 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:21:16,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 07:21:16,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:21:16,501 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:21:16,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 07:21:16,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:21:16,547 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:21:16,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:21:16,907 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 07:21:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:21:16,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:16,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 07:21:17,027 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 07:21:17,066 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:21:17,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 07:21:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:21:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:21:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,094 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:21:17,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 07:21:17,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:21:17,135 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:21:17,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:21:17,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:21:17,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:17,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:21:17,513 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 07:21:17,528 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 07:21:17,551 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:21:31,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [954226137] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:21:31,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 07:21:31,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 07:21:31,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157727917] [2022-12-14 07:21:31,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:21:31,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:21:31,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:21:31,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:21:31,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 07:21:31,796 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:21:35,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:21:37,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:21:39,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:21:43,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:21:44,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:21:44,883 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-12-14 07:21:44,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 07:21:44,884 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-12-14 07:21:44,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:21:44,885 INFO L225 Difference]: With dead ends: 265 [2022-12-14 07:21:44,885 INFO L226 Difference]: Without dead ends: 140 [2022-12-14 07:21:44,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 07:21:44,887 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:21:44,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 461 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 212 Invalid, 3 Unknown, 0 Unchecked, 12.0s Time] [2022-12-14 07:21:44,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-12-14 07:21:44,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-12-14 07:21:44,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 07:21:44,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-12-14 07:21:44,901 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-12-14 07:21:44,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:21:44,901 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-12-14 07:21:44,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:21:44,902 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-12-14 07:21:44,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 07:21:44,903 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:21:44,903 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:21:44,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:21:45,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-14 07:21:45,105 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:21:45,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:21:45,107 INFO L85 PathProgramCache]: Analyzing trace with hash 583681991, now seen corresponding path program 1 times [2022-12-14 07:21:45,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:21:45,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482609661] [2022-12-14 07:21:45,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:45,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:21:45,263 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:21:45,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018034820] [2022-12-14 07:21:45,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:45,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:21:45,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:21:45,264 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:21:45,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:21:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:21:45,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:21:45,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:21:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:21:46,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:21:46,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:21:46,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:21:46,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482609661] [2022-12-14 07:21:46,134 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:21:46,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018034820] [2022-12-14 07:21:46,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018034820] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:21:46,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [174916116] [2022-12-14 07:21:46,137 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 07:21:46,137 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:21:46,137 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:21:46,137 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:21:46,137 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:21:46,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:21:46,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,207 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:21:46,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 07:21:46,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:21:46,251 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:21:46,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 07:21:46,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:21:46,300 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:21:46,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:21:46,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:21:46,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:21:46,658 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 07:21:46,695 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 07:21:46,724 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 07:21:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:21:46,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:21:46,835 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 07:21:46,862 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 07:21:46,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:21:46,922 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 07:21:46,967 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:21:46,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 07:21:46,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 07:21:47,186 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:21:47,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:21:47,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,198 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 07:21:47,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,207 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 07:21:47,212 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 07:21:47,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:21:47,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 07:21:47,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:21:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 07:21:47,558 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 07:21:47,570 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 07:21:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:21:47,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:21:47,695 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 07:21:47,706 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 07:21:47,751 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 07:21:47,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:21:47,807 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 07:21:47,854 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:21:47,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 07:21:47,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 07:21:48,087 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 07:21:48,158 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:22:01,338 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:22:10,617 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:22:22,269 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:22:36,216 WARN L233 SmtUtils]: Spent 7.80s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:22:36,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [174916116] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:22:36,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 07:22:36,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 07:22:36,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37865052] [2022-12-14 07:22:36,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:22:36,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 07:22:36,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:22:36,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 07:22:36,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 07:22:36,675 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:22:38,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:22:41,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:22:43,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:22:45,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:22:47,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:22:49,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:22:51,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:22:53,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:22:55,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:23:06,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:08,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:23:08,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:23:08,615 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-12-14 07:23:08,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 07:23:08,616 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-12-14 07:23:08,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:23:08,617 INFO L225 Difference]: With dead ends: 267 [2022-12-14 07:23:08,617 INFO L226 Difference]: Without dead ends: 142 [2022-12-14 07:23:08,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 48.5s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 07:23:08,618 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:23:08,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 749 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 434 Invalid, 9 Unknown, 0 Unchecked, 31.9s Time] [2022-12-14 07:23:08,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-14 07:23:08,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-12-14 07:23:08,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-14 07:23:08,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-12-14 07:23:08,636 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-12-14 07:23:08,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:23:08,636 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-12-14 07:23:08,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:23:08,637 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-12-14 07:23:08,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 07:23:08,638 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:23:08,638 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:23:08,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:23:08,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:23:08,840 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:23:08,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:23:08,841 INFO L85 PathProgramCache]: Analyzing trace with hash 501515405, now seen corresponding path program 1 times [2022-12-14 07:23:08,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:23:08,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776638513] [2022-12-14 07:23:08,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:23:08,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:23:08,961 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:23:08,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2023737810] [2022-12-14 07:23:08,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:23:08,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:23:08,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:23:08,962 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:23:08,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764cf8c4-d026-4a4c-bef0-389847749514/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:23:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:23:09,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:23:09,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:23:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 07:23:09,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:23:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 07:23:09,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:23:09,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776638513] [2022-12-14 07:23:09,816 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:23:09,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023737810] [2022-12-14 07:23:09,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023737810] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:23:09,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [254022342] [2022-12-14 07:23:09,820 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 07:23:09,820 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:23:09,820 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:23:09,821 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:23:09,821 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:23:09,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:09,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:23:09,890 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:23:09,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 07:23:09,917 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:23:09,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:23:09,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:09,927 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 07:23:09,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:09,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:23:09,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 07:23:10,117 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 07:23:10,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:23:10,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:23:10,204 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 07:23:10,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:23:10,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:23:10,342 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 07:23:10,350 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 07:23:10,377 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 07:23:10,415 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 07:23:10,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 07:23:10,462 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:23:10,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 07:23:10,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:23:10,516 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 07:23:10,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:23:10,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:23:10,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 07:23:10,655 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 07:23:10,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2022-12-14 07:23:10,676 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:23:10,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-12-14 07:23:10,696 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:23:10,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 07:23:10,726 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 07:23:10,730 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 07:23:10,735 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 07:23:10,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 07:23:10,829 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 07:23:10,843 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 07:23:10,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:10,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 07:23:10,980 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 07:23:10,994 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 07:23:13,179 INFO L217 Elim1Store]: Index analysis took 1969 ms [2022-12-14 07:23:15,316 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 07:23:15,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-12-14 07:23:17,566 INFO L217 Elim1Store]: Index analysis took 2115 ms [2022-12-14 07:23:19,267 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 07:23:19,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-12-14 07:23:28,076 WARN L233 SmtUtils]: Spent 8.65s 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 07:23:28,077 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 07:23:28,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 07:23:48,280 WARN L233 SmtUtils]: Spent 20.10s 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 07:23:48,281 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 07:23:48,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-12-14 07:23:48,922 INFO L217 Elim1Store]: Index analysis took 438 ms [2022-12-14 07:24:10,118 WARN L233 SmtUtils]: Spent 20.64s on a formula simplification. DAG size of input: 252 DAG size of output: 150 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:24:10,119 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-12-14 07:24:10,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 2093 [2022-12-14 07:24:10,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:10,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:10,944 INFO L217 Elim1Store]: Index analysis took 312 ms [2022-12-14 07:24:10,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 89 [2022-12-14 07:24:11,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:24:11,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 07:24:11,092 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:24:11,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:11,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2022-12-14 07:24:11,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:24:11,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:24:11,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 57 [2022-12-14 07:24:12,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:24:12,344 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 07:26:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:56,638 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 07:30:45,770 WARN L233 SmtUtils]: Spent 5.97s on a formula simplification that was a NOOP. DAG size: 4121 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 07:33:00,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-12-14 07:33:00,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-12-14 07:33:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:33:00,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-12-14 07:35:36,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:36,158 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 21 treesize of output 15 [2022-12-14 07:35:36,220 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 21 treesize of output 15