./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 11:05:24,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:05:24,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:05:24,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:05:24,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:05:24,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:05:24,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:05:24,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:05:24,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:05:24,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:05:24,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:05:24,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:05:24,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:05:24,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:05:24,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:05:24,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:05:24,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:05:24,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:05:24,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:05:24,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:05:24,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:05:24,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:05:24,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:05:24,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:05:24,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:05:24,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:05:24,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:05:24,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:05:24,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:05:24,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:05:24,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:05:24,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:05:24,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:05:24,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:05:24,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:05:24,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:05:24,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:05:24,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:05:24,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:05:24,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:05:24,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:05:24,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 11:05:24,797 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:05:24,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:05:24,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:05:24,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:05:24,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:05:24,798 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:05:24,798 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:05:24,798 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:05:24,803 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:05:24,803 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:05:24,804 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:05:24,804 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:05:24,804 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:05:24,804 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:05:24,804 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:05:24,804 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:05:24,805 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:05:24,805 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:05:24,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:05:24,806 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:05:24,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:05:24,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:05:24,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:05:24,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:05:24,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:05:24,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:05:24,807 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:05:24,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:05:24,807 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:05:24,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:05:24,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:05:24,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:05:24,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:05:24,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:05:24,808 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:05:24,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:05:24,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:05:24,808 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:05:24,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:05:24,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:05:24,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:05:24,809 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_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 [2022-12-14 11:05:24,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:05:24,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:05:24,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:05:24,994 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:05:24,995 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:05:24,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2022-12-14 11:05:27,594 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:05:27,861 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:05:27,861 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2022-12-14 11:05:27,873 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/data/5c6690d48/9cc5d57b08374e9db5f80e0328951288/FLAGb5bca6336 [2022-12-14 11:05:27,887 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/data/5c6690d48/9cc5d57b08374e9db5f80e0328951288 [2022-12-14 11:05:27,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:05:27,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:05:27,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:05:27,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:05:27,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:05:27,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:05:27" (1/1) ... [2022-12-14 11:05:27,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211280b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:27, skipping insertion in model container [2022-12-14 11:05:27,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:05:27" (1/1) ... [2022-12-14 11:05:27,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:05:27,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:05:28,197 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_a0322cd7-2afb-491b-a841-8fc363833a6d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2022-12-14 11:05:28,252 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 11:05:28,258 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_a0322cd7-2afb-491b-a841-8fc363833a6d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2022-12-14 11:05:28,259 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_a0322cd7-2afb-491b-a841-8fc363833a6d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2022-12-14 11:05:28,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:05:28,271 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:05:28,294 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_a0322cd7-2afb-491b-a841-8fc363833a6d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2022-12-14 11:05:28,322 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 11:05:28,328 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_a0322cd7-2afb-491b-a841-8fc363833a6d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2022-12-14 11:05:28,329 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_a0322cd7-2afb-491b-a841-8fc363833a6d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2022-12-14 11:05:28,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:05:28,370 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:05:28,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:28 WrapperNode [2022-12-14 11:05:28,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:05:28,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:05:28,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:05:28,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:05:28,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:28" (1/1) ... [2022-12-14 11:05:28,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:28" (1/1) ... [2022-12-14 11:05:28,433 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 992 [2022-12-14 11:05:28,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:05:28,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:05:28,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:05:28,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:05:28,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:28" (1/1) ... [2022-12-14 11:05:28,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:28" (1/1) ... [2022-12-14 11:05:28,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:28" (1/1) ... [2022-12-14 11:05:28,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:28" (1/1) ... [2022-12-14 11:05:28,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:28" (1/1) ... [2022-12-14 11:05:28,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:28" (1/1) ... [2022-12-14 11:05:28,484 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:28" (1/1) ... [2022-12-14 11:05:28,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:28" (1/1) ... [2022-12-14 11:05:28,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:05:28,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:05:28,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:05:28,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:05:28,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:28" (1/1) ... [2022-12-14 11:05:28,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:05:28,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:05:28,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:05:28,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:05:28,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:05:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:05:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 11:05:28,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 11:05:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:05:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:05:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:05:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:05:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 11:05:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 11:05:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:05:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:05:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:05:28,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:05:28,727 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:05:28,729 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:05:29,794 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:05:30,024 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:05:30,025 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-14 11:05:30,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:05:30 BoogieIcfgContainer [2022-12-14 11:05:30,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:05:30,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:05:30,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:05:30,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:05:30,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:05:27" (1/3) ... [2022-12-14 11:05:30,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116d167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:05:30, skipping insertion in model container [2022-12-14 11:05:30,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:05:28" (2/3) ... [2022-12-14 11:05:30,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116d167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:05:30, skipping insertion in model container [2022-12-14 11:05:30,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:05:30" (3/3) ... [2022-12-14 11:05:30,034 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test7-1.i [2022-12-14 11:05:30,049 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:05:30,049 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 11:05:30,089 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:05:30,094 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;@531c0265, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:05:30,094 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 11:05:30,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 11:05:30,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 11:05:30,103 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:05:30,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:05:30,104 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:05:30,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:05:30,108 INFO L85 PathProgramCache]: Analyzing trace with hash -218436337, now seen corresponding path program 1 times [2022-12-14 11:05:30,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:05:30,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015705172] [2022-12-14 11:05:30,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:05:30,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:05:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:05:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:05:30,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:05:30,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015705172] [2022-12-14 11:05:30,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015705172] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:05:30,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:05:30,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:05:30,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403807952] [2022-12-14 11:05:30,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:05:30,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 11:05:30,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:05:30,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 11:05:30,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 11:05:30,279 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:05:30,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:05:30,694 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2022-12-14 11:05:30,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 11:05:30,700 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 11:05:30,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:05:30,706 INFO L225 Difference]: With dead ends: 215 [2022-12-14 11:05:30,706 INFO L226 Difference]: Without dead ends: 107 [2022-12-14 11:05:30,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 11:05:30,710 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:05:30,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 11:05:30,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-12-14 11:05:30,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-12-14 11:05:30,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 11:05:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2022-12-14 11:05:30,740 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2022-12-14 11:05:30,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:05:30,740 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2022-12-14 11:05:30,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:05:30,741 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2022-12-14 11:05:30,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:05:30,741 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:05:30,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:05:30,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:05:30,742 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:05:30,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:05:30,742 INFO L85 PathProgramCache]: Analyzing trace with hash -408896126, now seen corresponding path program 1 times [2022-12-14 11:05:30,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:05:30,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296699791] [2022-12-14 11:05:30,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:05:30,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:05:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:05:30,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:05:30,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:05:30,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296699791] [2022-12-14 11:05:30,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296699791] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:05:30,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:05:30,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:05:30,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948940895] [2022-12-14 11:05:30,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:05:30,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:05:30,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:05:30,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:05:30,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:05:30,896 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:05:32,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:05:32,854 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2022-12-14 11:05:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:05:32,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 11:05:32,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:05:32,860 INFO L225 Difference]: With dead ends: 219 [2022-12-14 11:05:32,860 INFO L226 Difference]: Without dead ends: 165 [2022-12-14 11:05:32,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:05:32,861 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:05:32,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 281 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 11:05:32,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-12-14 11:05:32,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2022-12-14 11:05:32,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 11:05:32,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2022-12-14 11:05:32,873 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2022-12-14 11:05:32,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:05:32,873 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2022-12-14 11:05:32,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:05:32,873 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2022-12-14 11:05:32,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 11:05:32,874 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:05:32,874 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:05:32,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:05:32,874 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:05:32,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:05:32,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1957629248, now seen corresponding path program 1 times [2022-12-14 11:05:32,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:05:32,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337754632] [2022-12-14 11:05:32,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:05:32,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:05:32,975 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:05:32,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [155444890] [2022-12-14 11:05:32,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:05:32,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:05:32,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:05:32,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:05:32,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 11:05:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:05:33,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 11:05:33,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:05:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:05:33,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:05:33,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:05:33,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337754632] [2022-12-14 11:05:33,499 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:05:33,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155444890] [2022-12-14 11:05:33,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155444890] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:05:33,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:05:33,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:05:33,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574264644] [2022-12-14 11:05:33,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:05:33,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:05:33,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:05:33,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:05:33,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:05:33,501 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:05:34,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:05:34,793 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2022-12-14 11:05:34,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:05:34,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-12-14 11:05:34,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:05:34,799 INFO L225 Difference]: With dead ends: 265 [2022-12-14 11:05:34,799 INFO L226 Difference]: Without dead ends: 159 [2022-12-14 11:05:34,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:05:34,800 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:05:34,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 206 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 11:05:34,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-14 11:05:34,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2022-12-14 11:05:34,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 11:05:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2022-12-14 11:05:34,808 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2022-12-14 11:05:34,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:05:34,809 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2022-12-14 11:05:34,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:05:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2022-12-14 11:05:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 11:05:34,810 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:05:34,810 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:05:34,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:05:35,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-14 11:05:35,012 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:05:35,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:05:35,013 INFO L85 PathProgramCache]: Analyzing trace with hash 35155344, now seen corresponding path program 1 times [2022-12-14 11:05:35,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:05:35,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514619519] [2022-12-14 11:05:35,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:05:35,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:05:35,099 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:05:35,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1854817758] [2022-12-14 11:05:35,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:05:35,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:05:35,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:05:35,100 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:05:35,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 11:05:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:05:35,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 11:05:35,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:05:35,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:05:35,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 11:05:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 11:05:35,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:05:35,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:05:35,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514619519] [2022-12-14 11:05:35,507 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:05:35,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854817758] [2022-12-14 11:05:35,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854817758] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:05:35,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:05:35,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:05:35,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012831056] [2022-12-14 11:05:35,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:05:35,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:05:35,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:05:35,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:05:35,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:05:35,510 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 11:05:37,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 11:05:37,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:05:37,390 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2022-12-14 11:05:37,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:05:37,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-12-14 11:05:37,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:05:37,397 INFO L225 Difference]: With dead ends: 201 [2022-12-14 11:05:37,397 INFO L226 Difference]: Without dead ends: 197 [2022-12-14 11:05:37,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:05:37,398 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 47 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:05:37,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 283 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 11:05:37,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-12-14 11:05:37,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2022-12-14 11:05:37,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 11:05:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2022-12-14 11:05:37,406 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2022-12-14 11:05:37,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:05:37,407 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2022-12-14 11:05:37,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 11:05:37,407 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2022-12-14 11:05:37,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 11:05:37,408 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:05:37,408 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:05:37,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 11:05:37,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:05:37,610 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:05:37,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:05:37,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1412611692, now seen corresponding path program 1 times [2022-12-14 11:05:37,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:05:37,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810667162] [2022-12-14 11:05:37,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:05:37,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:05:37,695 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:05:37,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1437884074] [2022-12-14 11:05:37,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:05:37,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:05:37,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:05:37,697 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:05:37,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 11:05:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:05:37,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 11:05:38,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:05:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 11:05:38,054 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:05:38,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:05:38,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810667162] [2022-12-14 11:05:38,054 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:05:38,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437884074] [2022-12-14 11:05:38,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437884074] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:05:38,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:05:38,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:05:38,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017914120] [2022-12-14 11:05:38,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:05:38,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:05:38,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:05:38,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:05:38,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:05:38,057 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 11:05:38,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:05:38,572 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2022-12-14 11:05:38,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:05:38,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-12-14 11:05:38,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:05:38,577 INFO L225 Difference]: With dead ends: 344 [2022-12-14 11:05:38,577 INFO L226 Difference]: Without dead ends: 206 [2022-12-14 11:05:38,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:05:38,578 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 229 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:05:38,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 169 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 11:05:38,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-12-14 11:05:38,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2022-12-14 11:05:38,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 11:05:38,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2022-12-14 11:05:38,587 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2022-12-14 11:05:38,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:05:38,587 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2022-12-14 11:05:38,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 11:05:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2022-12-14 11:05:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 11:05:38,588 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:05:38,588 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:05:38,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 11:05:38,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:05:38,790 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:05:38,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:05:38,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1485013667, now seen corresponding path program 1 times [2022-12-14 11:05:38,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:05:38,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171053281] [2022-12-14 11:05:38,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:05:38,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:05:38,835 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:05:38,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1954280117] [2022-12-14 11:05:38,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:05:38,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:05:38,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:05:38,836 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:05:38,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 11:05:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:05:50,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 11:05:50,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:05:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 11:05:50,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:05:50,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:05:50,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171053281] [2022-12-14 11:05:50,574 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:05:50,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954280117] [2022-12-14 11:05:50,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954280117] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:05:50,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:05:50,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:05:50,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230434084] [2022-12-14 11:05:50,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:05:50,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:05:50,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:05:50,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:05:50,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:05:50,575 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 11:05:51,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:05:51,824 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2022-12-14 11:05:51,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:05:51,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-12-14 11:05:51,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:05:51,831 INFO L225 Difference]: With dead ends: 381 [2022-12-14 11:05:51,831 INFO L226 Difference]: Without dead ends: 201 [2022-12-14 11:05:51,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:05:51,832 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:05:51,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 320 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:05:51,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-12-14 11:05:51,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2022-12-14 11:05:51,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 11:05:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2022-12-14 11:05:51,841 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2022-12-14 11:05:51,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:05:51,841 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2022-12-14 11:05:51,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 11:05:51,841 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2022-12-14 11:05:51,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 11:05:51,842 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:05:51,842 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:05:51,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 11:05:52,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:05:52,044 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:05:52,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:05:52,044 INFO L85 PathProgramCache]: Analyzing trace with hash -256446477, now seen corresponding path program 1 times [2022-12-14 11:05:52,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:05:52,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938389368] [2022-12-14 11:05:52,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:05:52,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:05:52,112 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:05:52,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1403040098] [2022-12-14 11:05:52,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:05:52,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:05:52,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:05:52,113 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:05:52,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0322cd7-2afb-491b-a841-8fc363833a6d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 11:06:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:06:09,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 11:06:09,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:06:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 11:06:09,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:06:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 11:06:09,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:06:09,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938389368] [2022-12-14 11:06:09,278 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:06:09,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403040098] [2022-12-14 11:06:09,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403040098] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:06:09,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1289416980] [2022-12-14 11:06:09,293 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-12-14 11:06:09,294 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:06:09,296 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:06:09,300 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:06:09,300 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:06:09,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:06:09,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:06:09,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,382 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 11:06:09,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-12-14 11:06:09,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,399 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 11:06:09,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 11:06:09,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 11:06:09,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 11:06:09,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,462 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:06:09,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 52 treesize of output 53 [2022-12-14 11:06:09,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 11:06:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,513 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 11:06:09,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 11:06:09,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,551 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:06:09,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 11:06:09,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-12-14 11:06:09,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:09,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-12-14 11:06:09,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 11:06:09,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 11:06:10,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 11:06:10,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 11:06:10,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 11:06:10,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 11:06:10,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 11:06:10,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 11:06:10,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 11:06:10,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,305 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 11:06:10,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-12-14 11:06:10,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,367 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 11:06:10,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-12-14 11:06:10,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 11:06:10,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 11:06:10,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 11:06:10,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 11:06:10,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 11:06:10,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 11:06:10,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 11:06:10,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 11:06:10,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 11:06:10,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 11:06:10,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 11:06:10,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 11:06:10,793 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 46 treesize of output 16 [2022-12-14 11:06:10,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 11:06:10,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:10,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 11:06:11,643 INFO L217 Elim1Store]: Index analysis took 608 ms [2022-12-14 11:06:15,989 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-12-14 11:06:15,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519771 treesize of output 9519790 [2022-12-14 11:06:17,381 INFO L217 Elim1Store]: Index analysis took 1213 ms [2022-12-14 11:06:17,951 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-12-14 11:06:17,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519766 treesize of output 9519770 [2022-12-14 11:06:24,973 WARN L233 SmtUtils]: Spent 6.92s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:06:24,973 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 11:06:24,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 11:06:47,144 WARN L233 SmtUtils]: Spent 21.96s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:06:47,145 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 11:06:47,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-12-14 11:06:48,684 INFO L217 Elim1Store]: Index analysis took 925 ms [2022-12-14 11:07:21,201 WARN L233 SmtUtils]: Spent 31.98s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:07:21,201 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-12-14 11:07:21,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-12-14 11:07:22,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:22,221 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 11:07:22,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:22,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:22,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:22,361 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 69 treesize of output 55 [2022-12-14 11:07:23,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:23,256 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 24 treesize of output 14 [2022-12-14 11:07:23,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:23,308 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 17 treesize of output 11 [2022-12-14 11:07:24,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:24,688 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 24 treesize of output 14 [2022-12-14 11:07:24,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:24,731 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 17 treesize of output 11 [2022-12-14 11:07:25,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:25,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:25,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:25,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-12-14 11:07:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:27,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:27,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:27,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 11:07:30,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:30,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 11:07:30,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:30,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 11:07:30,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:30,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:30,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 11:07:30,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:30,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 11:07:30,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:30,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 11:07:30,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:30,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 11:07:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:31,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 11:07:43,722 INFO L321 Elim1Store]: treesize reduction 669, result has 0.1 percent of original size [2022-12-14 11:07:43,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 2242 treesize of output 20305 [2022-12-14 11:07:43,860 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 51 treesize of output 43 [2022-12-14 11:07:44,105 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:07:44,213 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:07:45,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:45,658 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 93 treesize of output 59 [2022-12-14 11:07:45,752 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:07:45,838 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:07:45,903 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:07:46,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:46,845 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:07:46,848 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:07:49,804 INFO L217 Elim1Store]: Index analysis took 841 ms [2022-12-14 11:07:58,999 WARN L233 SmtUtils]: Spent 9.19s on a formula simplification. DAG size of input: 157 DAG size of output: 3 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:07:59,000 INFO L321 Elim1Store]: treesize reduction 8395, result has 0.0 percent of original size [2022-12-14 11:07:59,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 33989 treesize of output 333119 [2022-12-14 11:08:00,022 INFO L217 Elim1Store]: Index analysis took 661 ms [2022-12-14 11:08:00,497 INFO L321 Elim1Store]: treesize reduction 4, result has 98.9 percent of original size [2022-12-14 11:08:00,497 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 738 treesize of output 914 [2022-12-14 11:08:01,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 179 [2022-12-14 11:08:01,183 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:08:02,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:08:03,390 INFO L217 Elim1Store]: Index analysis took 1107 ms [2022-12-14 11:08:08,566 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 37 DAG size of output: 33 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:08:08,566 INFO L321 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2022-12-14 11:08:08,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1265 treesize of output 909 [2022-12-14 11:08:10,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:11,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:12,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:22,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:24,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:24,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:31,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:31,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:34,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:36,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:36,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:38,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:41,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:41,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:41,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:42,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:42,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:42,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:42,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:42,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:42,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:43,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:43,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:43,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:43,575 INFO L217 Elim1Store]: Index analysis took 32578 ms [2022-12-14 11:08:43,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 53 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 178801 treesize of output 4635574