./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW --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 e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 --- 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-4e7fbc6 [2022-11-23 15:27:23,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:27:23,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:27:23,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:27:23,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:27:23,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:27:23,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:27:23,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:27:23,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:27:23,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:27:23,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:27:23,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:27:23,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:27:23,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:27:23,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:27:23,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:27:23,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:27:23,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:27:23,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:27:23,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:27:23,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:27:23,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:27:23,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:27:23,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:27:23,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:27:23,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:27:23,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:27:23,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:27:23,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:27:23,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:27:23,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:27:23,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:27:23,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:27:23,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:27:23,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:27:23,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:27:23,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:27:23,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:27:23,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:27:24,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:27:24,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:27:24,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:27:24,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:27:24,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:27:24,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:27:24,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:27:24,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:27:24,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:27:24,051 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:27:24,051 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:27:24,051 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:27:24,052 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:27:24,053 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:27:24,053 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:27:24,053 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:27:24,053 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:27:24,053 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:27:24,054 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:27:24,054 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:27:24,054 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:27:24,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:27:24,055 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:27:24,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:27:24,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:27:24,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:27:24,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:27:24,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:27:24,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:27:24,056 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:27:24,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:27:24,056 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:27:24,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:27:24,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:27:24,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:27:24,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:27:24,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:27:24,058 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:27:24,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:27:24,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:27:24,058 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:27:24,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:27:24,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:27:24,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:27:24,059 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_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 [2022-11-23 15:27:24,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:27:24,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:27:24,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:27:24,339 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:27:24,340 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:27:24,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2022-11-23 15:27:27,365 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:27:27,841 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:27:27,842 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2022-11-23 15:27:27,864 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/data/8c6135aac/f4de7759b2e84986b116842bc076a269/FLAGa18c046b6 [2022-11-23 15:27:27,879 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/data/8c6135aac/f4de7759b2e84986b116842bc076a269 [2022-11-23 15:27:27,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:27:27,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:27:27,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:27:27,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:27:27,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:27:27,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:27:27" (1/1) ... [2022-11-23 15:27:27,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec33b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:27, skipping insertion in model container [2022-11-23 15:27:27,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:27:27" (1/1) ... [2022-11-23 15:27:27,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:27:27,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:27:28,538 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_70668081-3180-41d8-a69e-8b9adb85c488/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[33021,33034] [2022-11-23 15:27:28,808 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_70668081-3180-41d8-a69e-8b9adb85c488/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[84583,84596] [2022-11-23 15:27:28,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:27:28,823 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:27:28,853 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_70668081-3180-41d8-a69e-8b9adb85c488/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[33021,33034] [2022-11-23 15:27:28,998 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_70668081-3180-41d8-a69e-8b9adb85c488/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[84583,84596] [2022-11-23 15:27:29,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:27:29,031 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:27:29,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:29 WrapperNode [2022-11-23 15:27:29,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:27:29,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:27:29,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:27:29,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:27:29,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:29" (1/1) ... [2022-11-23 15:27:29,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:29" (1/1) ... [2022-11-23 15:27:29,268 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-11-23 15:27:29,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:27:29,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:27:29,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:27:29,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:27:29,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:29" (1/1) ... [2022-11-23 15:27:29,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:29" (1/1) ... [2022-11-23 15:27:29,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:29" (1/1) ... [2022-11-23 15:27:29,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:29" (1/1) ... [2022-11-23 15:27:29,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:29" (1/1) ... [2022-11-23 15:27:29,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:29" (1/1) ... [2022-11-23 15:27:29,371 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:29" (1/1) ... [2022-11-23 15:27:29,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:29" (1/1) ... [2022-11-23 15:27:29,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:27:29,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:27:29,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:27:29,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:27:29,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:29" (1/1) ... [2022-11-23 15:27:29,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:27:29,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:27:29,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:27:29,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:27:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:27:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 15:27:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 15:27:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:27:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:27:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:27:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:27:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:27:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:27:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:27:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 15:27:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:27:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:27:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:27:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:27:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:27:29,719 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:27:29,722 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:27:32,708 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:27:33,203 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:27:33,203 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-23 15:27:33,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:27:33 BoogieIcfgContainer [2022-11-23 15:27:33,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:27:33,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:27:33,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:27:33,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:27:33,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:27:27" (1/3) ... [2022-11-23 15:27:33,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6fd722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:27:33, skipping insertion in model container [2022-11-23 15:27:33,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:29" (2/3) ... [2022-11-23 15:27:33,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6fd722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:27:33, skipping insertion in model container [2022-11-23 15:27:33,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:27:33" (3/3) ... [2022-11-23 15:27:33,221 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-1.i [2022-11-23 15:27:33,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:27:33,243 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:27:33,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:27:33,328 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;@7abcf25b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:27:33,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:27:33,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-23 15:27:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 15:27:33,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:33,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:27:33,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:27:33,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:33,357 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-11-23 15:27:33,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:33,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142569320] [2022-11-23 15:27:33,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:33,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:27:33,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:33,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142569320] [2022-11-23 15:27:33,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142569320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:33,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:33,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:27:33,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968335267] [2022-11-23 15:27:33,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:33,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:27:33,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:33,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:27:33,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:27:33,659 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:27:34,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:34,669 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-11-23 15:27:34,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:27:34,681 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 15:27:34,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:34,715 INFO L225 Difference]: With dead ends: 2197 [2022-11-23 15:27:34,715 INFO L226 Difference]: Without dead ends: 1097 [2022-11-23 15:27:34,733 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 [2022-11-23 15:27:34,737 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:34,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 15:27:34,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-23 15:27:35,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-11-23 15:27:35,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-23 15:27:35,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-11-23 15:27:35,251 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-11-23 15:27:35,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:35,252 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-11-23 15:27:35,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:27:35,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-11-23 15:27:35,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 15:27:35,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:35,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:27:35,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:27:35,255 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:27:35,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:35,256 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-11-23 15:27:35,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:35,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444906089] [2022-11-23 15:27:35,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:35,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:35,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:27:35,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:35,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444906089] [2022-11-23 15:27:35,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444906089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:35,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:35,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:27:35,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460722331] [2022-11-23 15:27:35,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:35,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:27:35,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:35,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:27:35,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:27:35,663 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:27:37,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:37,925 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-11-23 15:27:37,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:27:37,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-23 15:27:37,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:37,945 INFO L225 Difference]: With dead ends: 3192 [2022-11-23 15:27:37,945 INFO L226 Difference]: Without dead ends: 2148 [2022-11-23 15:27:37,952 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 [2022-11-23 15:27:37,953 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:37,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-23 15:27:37,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-23 15:27:38,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-11-23 15:27:38,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-23 15:27:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-11-23 15:27:38,369 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-11-23 15:27:38,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:38,370 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-11-23 15:27:38,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:27:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-11-23 15:27:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-23 15:27:38,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:38,372 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:27:38,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:27:38,373 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:27:38,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:38,373 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-11-23 15:27:38,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:38,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120577745] [2022-11-23 15:27:38,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:38,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:38,533 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:27:38,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1532213440] [2022-11-23 15:27:38,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:38,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:27:38,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:27:38,538 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:27:38,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:27:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:39,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:27:39,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:27:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:27:39,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:27:39,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:39,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120577745] [2022-11-23 15:27:39,439 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:27:39,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532213440] [2022-11-23 15:27:39,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532213440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:39,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:39,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:27:39,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484616339] [2022-11-23 15:27:39,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:39,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:27:39,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:39,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:27:39,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:27:39,448 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:27:40,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:40,921 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-11-23 15:27:40,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:27:40,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-23 15:27:40,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:40,944 INFO L225 Difference]: With dead ends: 3230 [2022-11-23 15:27:40,944 INFO L226 Difference]: Without dead ends: 2134 [2022-11-23 15:27:40,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:27:40,951 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:40,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 15:27:40,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-23 15:27:41,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-11-23 15:27:41,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-23 15:27:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-11-23 15:27:41,513 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-11-23 15:27:41,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:41,514 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-11-23 15:27:41,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:27:41,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-11-23 15:27:41,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 15:27:41,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:41,526 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] [2022-11-23 15:27:41,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:27:41,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:27:41,736 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:27:41,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:41,736 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-11-23 15:27:41,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:41,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651456657] [2022-11-23 15:27:41,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:41,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:41,825 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:27:41,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1731213763] [2022-11-23 15:27:41,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:41,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:27:41,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:27:41,835 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:27:41,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:27:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:42,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:27:42,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:27:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:27:42,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:27:42,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:42,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651456657] [2022-11-23 15:27:42,526 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:27:42,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731213763] [2022-11-23 15:27:42,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731213763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:42,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:42,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:27:42,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287574055] [2022-11-23 15:27:42,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:42,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:27:42,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:42,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:27:42,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:27:42,535 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:27:44,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:44,934 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-11-23 15:27:44,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:27:44,935 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 [2022-11-23 15:27:44,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:44,942 INFO L225 Difference]: With dead ends: 3228 [2022-11-23 15:27:44,943 INFO L226 Difference]: Without dead ends: 1112 [2022-11-23 15:27:44,953 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 [2022-11-23 15:27:44,954 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:44,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-23 15:27:44,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-11-23 15:27:45,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-11-23 15:27:45,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-23 15:27:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-11-23 15:27:45,139 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-11-23 15:27:45,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:45,140 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-11-23 15:27:45,140 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) [2022-11-23 15:27:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-11-23 15:27:45,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 15:27:45,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:45,142 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] [2022-11-23 15:27:45,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:27:45,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:27:45,351 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:27:45,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:45,351 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-11-23 15:27:45,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:45,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213199504] [2022-11-23 15:27:45,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:45,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:45,466 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:27:45,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1327832529] [2022-11-23 15:27:45,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:45,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:27:45,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:27:45,470 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:27:45,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:28:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:28:02,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:28:02,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:28:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:28:02,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:28:02,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:28:02,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213199504] [2022-11-23 15:28:02,496 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:28:02,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327832529] [2022-11-23 15:28:02,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327832529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:28:02,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:28:02,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:28:02,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422888763] [2022-11-23 15:28:02,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:28:02,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:28:02,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:28:02,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:28:02,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:28:02,499 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:28:04,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:28:04,009 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-11-23 15:28:04,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:28:04,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2022-11-23 15:28:04,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:28:04,023 INFO L225 Difference]: With dead ends: 2207 [2022-11-23 15:28:04,023 INFO L226 Difference]: Without dead ends: 1114 [2022-11-23 15:28:04,030 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 [2022-11-23 15:28:04,031 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:28:04,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-23 15:28:04,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-11-23 15:28:04,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-11-23 15:28:04,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-11-23 15:28:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-11-23 15:28:04,236 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-11-23 15:28:04,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:28:04,236 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-11-23 15:28:04,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:28:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-11-23 15:28:04,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 15:28:04,238 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:28:04,238 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] [2022-11-23 15:28:04,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:28:04,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:28:04,460 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:28:04,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:28:04,460 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-11-23 15:28:04,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:28:04,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640386469] [2022-11-23 15:28:04,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:28:04,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:28:04,574 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:28:04,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [895553886] [2022-11-23 15:28:04,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:28:04,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:28:04,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:28:04,576 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:28:04,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70668081-3180-41d8-a69e-8b9adb85c488/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:28:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:28:54,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-23 15:28:54,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:28:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 15:28:54,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:28:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:28:55,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:28:55,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640386469] [2022-11-23 15:28:55,026 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:28:55,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895553886] [2022-11-23 15:28:55,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895553886] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:28:55,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2065126134] [2022-11-23 15:28:55,049 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-23 15:28:55,049 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:28:55,053 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:28:55,059 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:28:55,059 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:28:55,152 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 [2022-11-23 15:28:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,177 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 15:28:55,178 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 [2022-11-23 15:28:55,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,190 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 [2022-11-23 15:28:55,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-23 15:28:55,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:28:55,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,272 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 15:28:55,273 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 [2022-11-23 15:28:55,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,336 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:28:55,337 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 [2022-11-23 15:28:55,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-23 15:28:55,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:28:55,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:28:55,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 15:28:55,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:55,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,019 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 [2022-11-23 15:28:56,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-23 15:28:56,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 15:28:56,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,280 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 [2022-11-23 15:28:56,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,372 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 [2022-11-23 15:28:56,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 15:28:56,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 15:28:56,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,520 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 [2022-11-23 15:28:56,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 15:28:56,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 15:28:56,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,666 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 15:28:56,667 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 [2022-11-23 15:28:56,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:56,754 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 15:28:56,755 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 [2022-11-23 15:28:56,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-23 15:28:56,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:28:56,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:28:57,002 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 [2022-11-23 15:28:57,010 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 [2022-11-23 15:28:57,018 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 [2022-11-23 15:28:57,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:28:57,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:28:57,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-23 15:28:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-23 15:28:57,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 15:28:57,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 15:28:57,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:57,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-23 15:28:57,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 15:28:57,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 15:28:58,485 INFO L217 Elim1Store]: Index analysis took 717 ms [2022-11-23 15:29:02,374 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-23 15:29:02,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-23 15:29:04,360 INFO L217 Elim1Store]: Index analysis took 1732 ms [2022-11-23 15:29:05,105 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-23 15:29:05,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-23 15:29:11,603 WARN L233 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:29:11,604 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 15:29:11,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-23 15:29:11,978 INFO L217 Elim1Store]: Index analysis took 190 ms [2022-11-23 15:29:32,032 WARN L233 SmtUtils]: Spent 20.05s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:29:32,033 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 15:29:32,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-23 15:29:33,662 INFO L217 Elim1Store]: Index analysis took 933 ms [2022-11-23 15:29:58,986 WARN L233 SmtUtils]: Spent 24.79s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:29:58,987 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-23 15:29:58,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 4294 treesize of output 11953 [2022-11-23 15:30:00,828 INFO L217 Elim1Store]: Index analysis took 153 ms [2022-11-23 15:30:01,360 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-23 15:30:01,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-23 15:30:01,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:30:01,974 INFO L217 Elim1Store]: Index analysis took 318 ms [2022-11-23 15:30:02,624 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:30:02,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-23 15:30:03,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:03,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-23 15:30:03,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:03,415 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 [2022-11-23 15:30:03,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:03,491 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 [2022-11-23 15:30:03,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:03,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-23 15:30:03,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:03,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-23 15:30:05,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:06,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:06,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-23 15:30:06,240 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:30:06,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:06,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-23 15:30:07,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:07,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:07,186 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 [2022-11-23 15:30:07,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:07,266 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 [2022-11-23 15:30:07,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:07,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-23 15:30:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:07,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-23 15:30:08,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:08,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:08,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:08,524 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 [2022-11-23 15:30:20,142 INFO L217 Elim1Store]: Index analysis took 1442 ms [2022-11-23 15:40:03,712 WARN L233 SmtUtils]: Spent 9.73m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:40:03,713 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-11-23 15:40:03,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-11-23 15:40:58,976 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:40:59,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:40:59,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:40:59,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:40:59,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:40:59,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:05,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:05,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:05,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:05,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:05,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:05,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:05,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:05,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:10,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:10,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:10,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:10,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:35,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:35,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:35,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:35,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:35,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:35,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:35,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:53,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:53,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:53,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:41:53,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:00,161 INFO L217 Elim1Store]: Index analysis took 60498 ms [2022-11-23 15:42:00,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-23 15:42:01,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:01,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:01,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:01,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:01,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:02,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:02,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:02,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:02,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:02,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:02,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:02,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:02,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:03,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:03,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:03,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:03,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:10,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:10,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:10,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:10,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:10,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:10,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:10,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:15,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:15,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:15,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:15,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:17,121 INFO L217 Elim1Store]: Index analysis took 15782 ms [2022-11-23 15:42:17,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-23 15:42:23,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:24,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:27,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:36,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:36,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:36,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:37,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:37,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:37,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:37,758 INFO L173 IndexEqualityManager]: detected equality via solver