./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:25:07,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:25:07,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:25:07,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:25:07,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:25:07,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:25:07,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:25:07,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:25:07,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:25:07,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:25:07,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:25:07,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:25:07,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:25:07,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:25:07,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:25:07,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:25:07,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:25:07,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:25:07,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:25:07,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:25:07,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:25:07,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:25:07,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:25:07,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:25:07,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:25:07,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:25:07,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:25:07,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:25:07,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:25:07,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:25:07,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:25:07,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:25:07,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:25:07,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:25:07,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:25:07,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:25:07,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:25:07,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:25:07,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:25:07,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:25:07,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:25:07,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:25:07,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:25:07,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:25:07,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:25:07,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:25:07,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:25:07,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:25:07,646 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:25:07,646 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:25:07,646 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:25:07,647 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:25:07,647 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:25:07,647 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:25:07,648 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:25:07,648 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:25:07,648 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:25:07,648 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:25:07,649 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:25:07,649 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:25:07,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:25:07,650 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:25:07,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:25:07,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:25:07,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:25:07,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:25:07,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:25:07,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:25:07,652 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:25:07,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:25:07,653 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:25:07,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:25:07,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:25:07,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:25:07,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:25:07,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:25:07,654 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:25:07,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:25:07,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:25:07,655 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:25:07,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:25:07,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:25:07,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:25:07,656 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_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2022-11-25 23:25:07,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:25:08,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:25:08,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:25:08,011 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:25:08,011 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:25:08,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2022-11-25 23:25:11,160 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:25:11,484 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:25:11,485 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2022-11-25 23:25:11,513 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/data/ba788dd30/033075c208c542cfa4bf25ae2b6273da/FLAG1e8eb90dd [2022-11-25 23:25:11,532 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/data/ba788dd30/033075c208c542cfa4bf25ae2b6273da [2022-11-25 23:25:11,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:25:11,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:25:11,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:25:11,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:25:11,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:25:11,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:25:11" (1/1) ... [2022-11-25 23:25:11,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7707a05b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:11, skipping insertion in model container [2022-11-25 23:25:11,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:25:11" (1/1) ... [2022-11-25 23:25:11,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:25:11,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:25:12,136 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_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i[33021,33034] [2022-11-25 23:25:12,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:25:12,348 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:25:12,400 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_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i[33021,33034] [2022-11-25 23:25:12,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:25:12,631 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:25:12,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:12 WrapperNode [2022-11-25 23:25:12,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:25:12,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:25:12,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:25:12,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:25:12,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:12" (1/1) ... [2022-11-25 23:25:12,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:12" (1/1) ... [2022-11-25 23:25:12,754 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1437 [2022-11-25 23:25:12,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:25:12,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:25:12,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:25:12,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:25:12,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:12" (1/1) ... [2022-11-25 23:25:12,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:12" (1/1) ... [2022-11-25 23:25:12,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:12" (1/1) ... [2022-11-25 23:25:12,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:12" (1/1) ... [2022-11-25 23:25:12,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:12" (1/1) ... [2022-11-25 23:25:12,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:12" (1/1) ... [2022-11-25 23:25:12,881 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:12" (1/1) ... [2022-11-25 23:25:12,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:12" (1/1) ... [2022-11-25 23:25:12,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:25:12,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:25:12,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:25:12,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:25:12,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:12" (1/1) ... [2022-11-25 23:25:12,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:25:12,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:25:12,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:25:13,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:25:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:25:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 23:25:13,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 23:25:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:25:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:25:13,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:25:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:25:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:25:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:25:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:25:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:25:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:25:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:25:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:25:13,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:25:13,421 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:25:13,423 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:25:15,473 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:25:16,098 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:25:16,098 INFO L300 CfgBuilder]: Removed 77 assume(true) statements. [2022-11-25 23:25:16,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:25:16 BoogieIcfgContainer [2022-11-25 23:25:16,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:25:16,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:25:16,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:25:16,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:25:16,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:25:11" (1/3) ... [2022-11-25 23:25:16,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a93d8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:25:16, skipping insertion in model container [2022-11-25 23:25:16,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:12" (2/3) ... [2022-11-25 23:25:16,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a93d8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:25:16, skipping insertion in model container [2022-11-25 23:25:16,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:25:16" (3/3) ... [2022-11-25 23:25:16,111 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-3.i [2022-11-25 23:25:16,139 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:25:16,140 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:25:16,215 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:25:16,225 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;@de139c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:25:16,226 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:25:16,233 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) [2022-11-25 23:25:16,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:25:16,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:16,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:16,245 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:16,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:16,254 INFO L85 PathProgramCache]: Analyzing trace with hash -810098709, now seen corresponding path program 1 times [2022-11-25 23:25:16,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:16,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674393819] [2022-11-25 23:25:16,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:16,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:25:16,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:16,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674393819] [2022-11-25 23:25:16,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674393819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:16,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:16,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:25:16,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964593094] [2022-11-25 23:25:16,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:16,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:25:16,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:16,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:25:16,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:16,539 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) [2022-11-25 23:25:19,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:19,344 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2022-11-25 23:25:19,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:25:19,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 23:25:19,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:19,373 INFO L225 Difference]: With dead ends: 399 [2022-11-25 23:25:19,373 INFO L226 Difference]: Without dead ends: 220 [2022-11-25 23:25:19,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:19,382 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 97 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:19,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 365 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 23:25:19,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-25 23:25:19,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-25 23:25:19,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-25 23:25:19,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-25 23:25:19,486 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-25 23:25:19,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:19,488 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-25 23:25:19,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:25:19,489 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-25 23:25:19,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-25 23:25:19,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:19,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:19,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:25:19,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:19,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:19,496 INFO L85 PathProgramCache]: Analyzing trace with hash 761830316, now seen corresponding path program 1 times [2022-11-25 23:25:19,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:19,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142011249] [2022-11-25 23:25:19,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:19,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:19,909 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:25:19,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1010974253] [2022-11-25 23:25:19,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:19,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:19,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:25:19,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:25:19,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:25:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:21,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:25:21,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:25:21,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:25:21,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:25:21,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:25:21,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:21,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142011249] [2022-11-25 23:25:21,729 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:25:21,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010974253] [2022-11-25 23:25:21,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010974253] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:25:21,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [342273878] [2022-11-25 23:25:21,754 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-25 23:25:21,755 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:25:21,763 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:25:21,784 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:25:21,785 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:25:22,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,064 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:25:22,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-25 23:25:22,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:25:22,146 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:25:22,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 23:25:22,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:25:22,245 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:25:22,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:25:22,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:25:22,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 23:25:22,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:22,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-25 23:25:23,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:25:23,103 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:25:23,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 23:25:23,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:25:23,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:23,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,161 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:25:23,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-25 23:25:23,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:25:23,244 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:25:23,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:25:23,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 23:25:23,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:23,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-25 23:25:23,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:25:23,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:25:23,984 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:25:32,277 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:25:40,080 WARN L233 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:25:40,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [342273878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:40,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:25:40,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-25 23:25:40,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135798574] [2022-11-25 23:25:40,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:40,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:25:40,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:40,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:25:40,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-25 23:25:40,092 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:25:43,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:25:45,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:25:47,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:25:52,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:25:56,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:56,071 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-25 23:25:56,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:25:56,072 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-25 23:25:56,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:56,074 INFO L225 Difference]: With dead ends: 265 [2022-11-25 23:25:56,074 INFO L226 Difference]: Without dead ends: 140 [2022-11-25 23:25:56,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-25 23:25:56,076 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:56,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 461 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 212 Invalid, 3 Unknown, 0 Unchecked, 14.9s Time] [2022-11-25 23:25:56,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-25 23:25:56,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-25 23:25:56,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-25 23:25:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-25 23:25:56,100 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-25 23:25:56,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:56,101 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-25 23:25:56,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:25:56,101 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-25 23:25:56,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-25 23:25:56,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:56,104 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:56,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:25:56,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:56,318 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:56,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:56,319 INFO L85 PathProgramCache]: Analyzing trace with hash 583681991, now seen corresponding path program 1 times [2022-11-25 23:25:56,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:56,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724788542] [2022-11-25 23:25:56,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:56,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:56,520 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:25:56,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072352664] [2022-11-25 23:25:56,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:56,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:56,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:25:56,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:25:56,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:25:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:57,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:25:57,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:25:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:25:58,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:25:58,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:25:58,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:58,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724788542] [2022-11-25 23:25:58,152 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:25:58,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072352664] [2022-11-25 23:25:58,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072352664] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:25:58,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [682583316] [2022-11-25 23:25:58,158 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-25 23:25:58,158 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:25:58,159 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:25:58,159 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:25:58,159 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:25:58,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:58,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,285 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:25:58,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-25 23:25:58,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:25:58,344 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:25:58,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 23:25:58,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:25:58,414 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:25:58,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:25:58,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 23:25:58,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-25 23:25:58,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:25:58,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:25:58,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 23:25:58,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:58,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:25:59,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:25:59,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 23:25:59,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 23:25:59,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:25:59,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 23:25:59,378 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:25:59,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 23:25:59,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-25 23:25:59,776 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:25:59,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:25:59,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:25:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:25:59,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-25 23:25:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:59,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:59,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-25 23:26:00,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 23:26:00,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-25 23:26:00,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:26:00,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:26:00,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:26:00,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:26:00,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 23:26:00,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 23:26:00,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 23:26:00,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:26:00,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 23:26:00,866 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:26:00,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 23:26:00,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-25 23:26:01,275 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-25 23:26:01,382 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:26:07,601 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:26:15,070 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:26:25,704 WARN L233 SmtUtils]: Spent 6.49s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:26:38,235 WARN L233 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:26:51,150 WARN L233 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:26:51,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [682583316] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:51,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:26:51,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-25 23:26:51,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315833154] [2022-11-25 23:26:51,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:51,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 23:26:51,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:51,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 23:26:51,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-25 23:26:51,867 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:26:54,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:26:56,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:26:58,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:27:00,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:27:02,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:27:04,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:27:06,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:27:08,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:27:10,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:27:21,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:27:23,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:27:24,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:27:24,931 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-25 23:27:24,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 23:27:24,932 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-11-25 23:27:24,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:27:24,936 INFO L225 Difference]: With dead ends: 267 [2022-11-25 23:27:24,936 INFO L226 Difference]: Without dead ends: 142 [2022-11-25 23:27:24,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 50.5s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-25 23:27:24,942 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:27:24,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 749 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 432 Invalid, 10 Unknown, 0 Unchecked, 33.0s Time] [2022-11-25 23:27:24,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-25 23:27:24,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-25 23:27:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-25 23:27:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-25 23:27:24,976 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-25 23:27:24,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:27:24,976 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-25 23:27:24,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:27:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-25 23:27:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 23:27:24,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:27:24,979 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:27:24,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:27:25,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:27:25,183 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:27:25,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:27:25,184 INFO L85 PathProgramCache]: Analyzing trace with hash 501515405, now seen corresponding path program 1 times [2022-11-25 23:27:25,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:27:25,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978652479] [2022-11-25 23:27:25,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:25,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:27:25,337 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:27:25,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264391445] [2022-11-25 23:27:25,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:25,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:27:25,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:27:25,340 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:27:25,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cb9b5b-37fd-4369-8b63-3973d69b22b3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:27:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:27:26,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:27:26,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:27:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:27:26,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:27:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:27:26,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:27:26,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978652479] [2022-11-25 23:27:26,807 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:27:26,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264391445] [2022-11-25 23:27:26,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264391445] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:27:26,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [967717355] [2022-11-25 23:27:26,812 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-25 23:27:26,812 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:27:26,812 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:27:26,813 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:27:26,813 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:27:26,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:26,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:27:26,939 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:27:26,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 23:27:26,987 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:27:26,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:27:27,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:27:27,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:27,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-25 23:27:27,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:27:27,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 23:27:27,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-25 23:27:27,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:27:27,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:27:27,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:27:27,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 23:27:27,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 23:27:27,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 23:27:27,708 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 23:27:27,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-25 23:27:27,791 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:27:27,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 23:27:27,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:27,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:27:27,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 23:27:28,077 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 [2022-11-25 23:27:28,081 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 [2022-11-25 23:27:28,086 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 [2022-11-25 23:27:28,132 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-25 23:27:28,133 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 [2022-11-25 23:27:28,167 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:27:28,167 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 [2022-11-25 23:27:28,193 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:27:28,193 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 [2022-11-25 23:27:28,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 23:27:28,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 23:27:28,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:27:28,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-25 23:27:28,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 23:27:28,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 23:27:28,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:28,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-25 23:27:28,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 23:27:28,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 23:27:32,950 INFO L217 Elim1Store]: Index analysis took 3716 ms [2022-11-25 23:27:35,582 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-25 23:27:35,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-11-25 23:27:36,303 INFO L217 Elim1Store]: Index analysis took 439 ms [2022-11-25 23:27:38,602 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-25 23:27:38,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-11-25 23:27:50,342 WARN L233 SmtUtils]: Spent 11.46s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:27:50,342 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 23:27:50,343 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 [2022-11-25 23:28:16,111 WARN L233 SmtUtils]: Spent 25.57s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:28:16,112 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 23:28:16,112 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 [2022-11-25 23:28:17,376 INFO L217 Elim1Store]: Index analysis took 1019 ms [2022-11-25 23:28:43,427 WARN L233 SmtUtils]: Spent 25.37s 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) [2022-11-25 23:28:43,427 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-11-25 23:28:43,428 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 [2022-11-25 23:28:44,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:44,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:44,649 INFO L217 Elim1Store]: Index analysis took 427 ms [2022-11-25 23:28:44,651 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 [2022-11-25 23:28:44,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:44,852 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 [2022-11-25 23:28:44,912 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:28:45,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:45,501 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 [2022-11-25 23:28:45,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:45,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:45,743 INFO L217 Elim1Store]: Index analysis took 111 ms [2022-11-25 23:28:45,745 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 [2022-11-25 23:28:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:46,887 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 [2022-11-25 23:32:07,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:07,017 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