./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 13:18:29,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:18:29,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:18:29,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:18:29,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:18:29,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:18:29,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:18:29,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:18:29,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:18:29,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:18:29,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:18:29,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:18:29,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:18:29,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:18:29,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:18:29,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:18:29,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:18:29,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:18:29,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:18:29,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:18:29,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:18:29,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:18:29,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:18:29,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:18:29,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:18:29,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:18:29,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:18:29,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:18:29,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:18:29,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:18:29,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:18:29,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:18:29,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:18:29,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:18:29,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:18:29,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:18:29,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:18:29,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:18:29,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:18:29,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:18:29,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:18:29,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 13:18:29,753 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:18:29,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:18:29,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:18:29,753 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:18:29,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:18:29,754 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:18:29,754 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:18:29,755 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:18:29,755 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:18:29,755 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:18:29,755 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:18:29,755 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:18:29,755 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:18:29,755 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:18:29,756 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:18:29,756 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:18:29,756 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:18:29,756 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:18:29,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:18:29,757 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 13:18:29,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:18:29,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 13:18:29,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:18:29,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:18:29,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:18:29,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:18:29,758 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 13:18:29,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:18:29,758 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:18:29,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:18:29,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:18:29,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:18:29,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:18:29,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:18:29,759 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:18:29,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:18:29,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:18:29,760 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:18:29,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:18:29,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:18:29,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:18:29,760 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_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 [2022-12-14 13:18:29,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:18:29,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:18:29,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:18:29,965 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:18:29,965 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:18:29,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2022-12-14 13:18:32,602 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:18:32,832 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:18:32,832 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2022-12-14 13:18:32,851 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/data/ae056fedb/d7b354d5e23144719b1b25456aee3e35/FLAGc59d04bf4 [2022-12-14 13:18:32,862 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/data/ae056fedb/d7b354d5e23144719b1b25456aee3e35 [2022-12-14 13:18:32,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:18:32,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:18:32,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:18:32,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:18:32,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:18:32,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:18:32" (1/1) ... [2022-12-14 13:18:32,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c149615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:32, skipping insertion in model container [2022-12-14 13:18:32,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:18:32" (1/1) ... [2022-12-14 13:18:32,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:18:32,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:18:33,156 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_64f9bc97-498a-44e6-9678-8f5679da0838/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[33021,33034] [2022-12-14 13:18:33,211 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 13:18:33,216 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_64f9bc97-498a-44e6-9678-8f5679da0838/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[44590,44603] [2022-12-14 13:18:33,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:18:33,228 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:18:33,247 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_64f9bc97-498a-44e6-9678-8f5679da0838/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[33021,33034] [2022-12-14 13:18:33,279 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 13:18:33,284 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_64f9bc97-498a-44e6-9678-8f5679da0838/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[44590,44603] [2022-12-14 13:18:33,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:18:33,308 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:18:33,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:33 WrapperNode [2022-12-14 13:18:33,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:18:33,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:18:33,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:18:33,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:18:33,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:33" (1/1) ... [2022-12-14 13:18:33,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:33" (1/1) ... [2022-12-14 13:18:33,380 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1022 [2022-12-14 13:18:33,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:18:33,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:18:33,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:18:33,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:18:33,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:33" (1/1) ... [2022-12-14 13:18:33,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:33" (1/1) ... [2022-12-14 13:18:33,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:33" (1/1) ... [2022-12-14 13:18:33,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:33" (1/1) ... [2022-12-14 13:18:33,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:33" (1/1) ... [2022-12-14 13:18:33,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:33" (1/1) ... [2022-12-14 13:18:33,430 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:33" (1/1) ... [2022-12-14 13:18:33,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:33" (1/1) ... [2022-12-14 13:18:33,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:18:33,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:18:33,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:18:33,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:18:33,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:33" (1/1) ... [2022-12-14 13:18:33,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:18:33,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:18:33,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:18:33,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:18:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 13:18:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 13:18:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 13:18:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 13:18:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 13:18:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 13:18:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 13:18:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:18:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 13:18:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 13:18:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 13:18:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 13:18:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 13:18:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:18:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:18:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:18:33,656 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:18:33,658 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:18:34,800 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:18:35,119 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:18:35,119 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-14 13:18:35,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:18:35 BoogieIcfgContainer [2022-12-14 13:18:35,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:18:35,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:18:35,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:18:35,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:18:35,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:18:32" (1/3) ... [2022-12-14 13:18:35,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cf1455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:18:35, skipping insertion in model container [2022-12-14 13:18:35,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:33" (2/3) ... [2022-12-14 13:18:35,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cf1455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:18:35, skipping insertion in model container [2022-12-14 13:18:35,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:18:35" (3/3) ... [2022-12-14 13:18:35,130 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test3-1.i [2022-12-14 13:18:35,149 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:18:35,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 13:18:35,198 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:18:35,204 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;@6d882207, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:18:35,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 13:18:35,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 13:18:35,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 13:18:35,216 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:18:35,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:18:35,218 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:18:35,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:18:35,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1898435451, now seen corresponding path program 1 times [2022-12-14 13:18:35,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:18:35,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908754759] [2022-12-14 13:18:35,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:35,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:18:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:18:35,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:18:35,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:18:35,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908754759] [2022-12-14 13:18:35,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908754759] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:18:35,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:18:35,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:18:35,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874167527] [2022-12-14 13:18:35,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:18:35,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 13:18:35,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:18:35,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 13:18:35,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 13:18:35,431 INFO L87 Difference]: Start difference. First operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:18:35,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:18:35,790 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2022-12-14 13:18:35,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 13:18:35,795 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 13:18:35,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:18:35,801 INFO L225 Difference]: With dead ends: 245 [2022-12-14 13:18:35,802 INFO L226 Difference]: Without dead ends: 122 [2022-12-14 13:18:35,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 13:18:35,806 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 13:18:35,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 13:18:35,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-12-14 13:18:35,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-12-14 13:18:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 116 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 13:18:35,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 150 transitions. [2022-12-14 13:18:35,838 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 150 transitions. Word has length 8 [2022-12-14 13:18:35,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:18:35,838 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 150 transitions. [2022-12-14 13:18:35,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:18:35,838 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2022-12-14 13:18:35,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 13:18:35,839 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:18:35,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:18:35,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:18:35,839 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:18:35,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:18:35,840 INFO L85 PathProgramCache]: Analyzing trace with hash -94655351, now seen corresponding path program 1 times [2022-12-14 13:18:35,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:18:35,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779718993] [2022-12-14 13:18:35,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:35,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:18:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:18:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:18:35,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:18:35,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779718993] [2022-12-14 13:18:35,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779718993] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:18:35,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:18:35,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:18:35,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797689343] [2022-12-14 13:18:35,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:18:35,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:18:35,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:18:35,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:18:35,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:18:35,970 INFO L87 Difference]: Start difference. First operand 122 states and 150 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:18:37,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:18:38,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:18:38,093 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2022-12-14 13:18:38,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 13:18:38,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 13:18:38,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:18:38,099 INFO L225 Difference]: With dead ends: 258 [2022-12-14 13:18:38,099 INFO L226 Difference]: Without dead ends: 189 [2022-12-14 13:18:38,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:18:38,100 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:18:38,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 355 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 13:18:38,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-12-14 13:18:38,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 124. [2022-12-14 13:18:38,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 118 states have internal predecessors, (136), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 13:18:38,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-12-14 13:18:38,110 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 13 [2022-12-14 13:18:38,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:18:38,110 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-12-14 13:18:38,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:18:38,110 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2022-12-14 13:18:38,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 13:18:38,111 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:18:38,111 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] [2022-12-14 13:18:38,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:18:38,111 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:18:38,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:18:38,112 INFO L85 PathProgramCache]: Analyzing trace with hash 339208180, now seen corresponding path program 1 times [2022-12-14 13:18:38,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:18:38,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482132950] [2022-12-14 13:18:38,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:38,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:18:38,223 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:18:38,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [419010797] [2022-12-14 13:18:38,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:38,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:18:38,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:18:38,238 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:18:38,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 13:18:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:18:38,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 13:18:38,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:18:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:18:38,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:18:38,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:18:38,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482132950] [2022-12-14 13:18:38,832 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:18:38,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419010797] [2022-12-14 13:18:38,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419010797] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:18:38,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:18:38,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:18:38,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891933828] [2022-12-14 13:18:38,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:18:38,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:18:38,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:18:38,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:18:38,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:18:38,834 INFO L87 Difference]: Start difference. First operand 124 states and 152 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:18:39,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:18:39,729 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2022-12-14 13:18:39,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:18:39,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-12-14 13:18:39,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:18:39,734 INFO L225 Difference]: With dead ends: 304 [2022-12-14 13:18:39,734 INFO L226 Difference]: Without dead ends: 183 [2022-12-14 13:18:39,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:18:39,735 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 58 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 13:18:39,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 278 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 13:18:39,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-12-14 13:18:39,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 167. [2022-12-14 13:18:39,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 155 states have (on average 1.1935483870967742) internal successors, (185), 161 states have internal predecessors, (185), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 13:18:39,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2022-12-14 13:18:39,744 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 37 [2022-12-14 13:18:39,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:18:39,744 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2022-12-14 13:18:39,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:18:39,745 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2022-12-14 13:18:39,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 13:18:39,745 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:18:39,745 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] [2022-12-14 13:18:39,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 13:18:39,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:18:39,947 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:18:39,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:18:39,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1571641394, now seen corresponding path program 1 times [2022-12-14 13:18:39,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:18:39,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953465721] [2022-12-14 13:18:39,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:39,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:18:39,994 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:18:39,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040512679] [2022-12-14 13:18:39,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:39,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:18:39,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:18:39,995 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:18:39,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 13:18:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:18:40,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 13:18:40,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:18:40,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 13:18:40,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 13:18:40,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 13:18:40,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:18:40,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:18:40,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953465721] [2022-12-14 13:18:40,392 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:18:40,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040512679] [2022-12-14 13:18:40,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040512679] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:18:40,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:18:40,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 13:18:40,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783225672] [2022-12-14 13:18:40,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:18:40,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:18:40,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:18:40,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:18:40,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:18:40,394 INFO L87 Difference]: Start difference. First operand 167 states and 201 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 13:18:41,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:18:41,719 INFO L93 Difference]: Finished difference Result 231 states and 285 transitions. [2022-12-14 13:18:41,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 13:18:41,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2022-12-14 13:18:41,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:18:41,723 INFO L225 Difference]: With dead ends: 231 [2022-12-14 13:18:41,723 INFO L226 Difference]: Without dead ends: 212 [2022-12-14 13:18:41,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:18:41,725 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 13:18:41,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 354 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 13:18:41,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-12-14 13:18:41,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 169. [2022-12-14 13:18:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 157 states have (on average 1.1910828025477707) internal successors, (187), 163 states have internal predecessors, (187), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 13:18:41,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 203 transitions. [2022-12-14 13:18:41,733 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 203 transitions. Word has length 50 [2022-12-14 13:18:41,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:18:41,733 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 203 transitions. [2022-12-14 13:18:41,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 13:18:41,733 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2022-12-14 13:18:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 13:18:41,734 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:18:41,734 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:18:41,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 13:18:41,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:18:41,936 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:18:41,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:18:41,938 INFO L85 PathProgramCache]: Analyzing trace with hash 2144578966, now seen corresponding path program 1 times [2022-12-14 13:18:41,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:18:41,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8012936] [2022-12-14 13:18:41,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:41,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:18:42,027 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:18:42,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [322502244] [2022-12-14 13:18:42,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:42,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:18:42,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:18:42,028 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:18:42,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 13:18:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:18:42,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 13:18:42,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:18:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 13:18:42,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:18:42,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:18:42,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8012936] [2022-12-14 13:18:42,440 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:18:42,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322502244] [2022-12-14 13:18:42,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322502244] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:18:42,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:18:42,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 13:18:42,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448826546] [2022-12-14 13:18:42,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:18:42,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:18:42,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:18:42,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:18:42,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:18:42,442 INFO L87 Difference]: Start difference. First operand 169 states and 203 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 13:18:43,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:18:43,115 INFO L93 Difference]: Finished difference Result 395 states and 492 transitions. [2022-12-14 13:18:43,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 13:18:43,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-12-14 13:18:43,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:18:43,117 INFO L225 Difference]: With dead ends: 395 [2022-12-14 13:18:43,117 INFO L226 Difference]: Without dead ends: 242 [2022-12-14 13:18:43,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:18:43,118 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 260 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 13:18:43,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 290 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 13:18:43,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-12-14 13:18:43,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 214. [2022-12-14 13:18:43,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 202 states have (on average 1.193069306930693) internal successors, (241), 208 states have internal predecessors, (241), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 13:18:43,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 257 transitions. [2022-12-14 13:18:43,128 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 257 transitions. Word has length 57 [2022-12-14 13:18:43,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:18:43,128 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 257 transitions. [2022-12-14 13:18:43,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 13:18:43,129 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 257 transitions. [2022-12-14 13:18:43,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 13:18:43,130 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:18:43,130 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:18:43,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 13:18:43,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:18:43,331 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:18:43,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:18:43,333 INFO L85 PathProgramCache]: Analyzing trace with hash 2121750984, now seen corresponding path program 1 times [2022-12-14 13:18:43,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:18:43,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932925666] [2022-12-14 13:18:43,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:43,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:18:43,392 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:18:43,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1972728436] [2022-12-14 13:18:43,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:43,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:18:43,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:18:43,394 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:18:43,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 13:18:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:18:53,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 13:18:53,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:18:53,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 13:18:53,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:18:53,589 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:18:53,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932925666] [2022-12-14 13:18:53,589 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:18:53,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972728436] [2022-12-14 13:18:53,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972728436] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:18:53,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:18:53,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 13:18:53,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812793400] [2022-12-14 13:18:53,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:18:53,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:18:53,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:18:53,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:18:53,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:18:53,590 INFO L87 Difference]: Start difference. First operand 214 states and 257 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 13:18:54,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:18:54,408 INFO L93 Difference]: Finished difference Result 411 states and 498 transitions. [2022-12-14 13:18:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 13:18:54,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-12-14 13:18:54,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:18:54,412 INFO L225 Difference]: With dead ends: 411 [2022-12-14 13:18:54,412 INFO L226 Difference]: Without dead ends: 216 [2022-12-14 13:18:54,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:18:54,413 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 13:18:54,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 392 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 13:18:54,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-12-14 13:18:54,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-12-14 13:18:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 203 states have (on average 1.1970443349753694) internal successors, (243), 210 states have internal predecessors, (243), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-12-14 13:18:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2022-12-14 13:18:54,423 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 64 [2022-12-14 13:18:54,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:18:54,423 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2022-12-14 13:18:54,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 13:18:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2022-12-14 13:18:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 13:18:54,424 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:18:54,424 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:18:54,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 13:18:54,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 13:18:54,627 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:18:54,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:18:54,628 INFO L85 PathProgramCache]: Analyzing trace with hash -869473738, now seen corresponding path program 1 times [2022-12-14 13:18:54,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:18:54,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534278140] [2022-12-14 13:18:54,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:54,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:18:54,717 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:18:54,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [279769927] [2022-12-14 13:18:54,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:54,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:18:54,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:18:54,718 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:18:54,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9bc97-498a-44e6-9678-8f5679da0838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 13:19:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:19:27,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 13:19:27,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:19:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 13:19:27,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:19:27,305 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:19:27,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:19:27,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534278140] [2022-12-14 13:19:27,306 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:19:27,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279769927] [2022-12-14 13:19:27,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279769927] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:19:27,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [757081507] [2022-12-14 13:19:27,323 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-12-14 13:19:27,323 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:19:27,325 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:19:27,329 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:19:27,329 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:19:27,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 13:19:27,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 13:19:27,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,422 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 13:19:27,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-12-14 13:19:27,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 13:19:27,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,451 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 13:19:27,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 13:19:27,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,492 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 13:19:27,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2022-12-14 13:19:27,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,525 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 13:19:27,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 13:19:27,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 13:19:27,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,581 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 13:19:27,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 13:19:27,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 13:19:27,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-12-14 13:19:27,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:27,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-12-14 13:19:28,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 13:19:28,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 13:19:28,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 13:19:28,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 13:19:28,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 13:19:28,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 13:19:28,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 13:19:28,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 13:19:28,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,314 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 13:19:28,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-12-14 13:19:28,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,370 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 13:19:28,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-12-14 13:19:28,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 13:19:28,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 13:19:28,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 13:19:28,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 13:19:28,554 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 13:19:28,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-12-14 13:19:28,578 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 13:19:28,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-12-14 13:19:28,599 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 13:19:28,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 13:19:28,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 13:19:28,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 13:19:28,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 13:19:28,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 13:19:28,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 13:19:28,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 13:19:28,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 13:19:28,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:28,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 13:19:28,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 13:19:29,696 INFO L217 Elim1Store]: Index analysis took 468 ms [2022-12-14 13:19:33,790 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-12-14 13:19:33,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-12-14 13:19:34,692 INFO L217 Elim1Store]: Index analysis took 742 ms [2022-12-14 13:19:35,147 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-12-14 13:19:35,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-12-14 13:19:43,433 WARN L233 SmtUtils]: Spent 8.20s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 13:19:43,433 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 13:19:43,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 13:19:43,680 INFO L217 Elim1Store]: Index analysis took 120 ms [2022-12-14 13:20:06,937 WARN L233 SmtUtils]: Spent 23.25s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 13:20:06,938 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 13:20:06,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-12-14 13:20:08,815 INFO L217 Elim1Store]: Index analysis took 1405 ms [2022-12-14 13:20:32,873 WARN L233 SmtUtils]: Spent 23.19s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 13:20:32,874 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-12-14 13:20:32,874 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 3622 treesize of output 7921 [2022-12-14 13:20:34,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:20:34,008 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 13:20:34,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:34,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:34,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:20:34,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-12-14 13:20:35,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:35,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-12-14 13:20:35,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:35,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 13:20:37,987 INFO L321 Elim1Store]: treesize reduction 550, result has 14.1 percent of original size [2022-12-14 13:20:37,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 18 case distinctions, treesize of input 51016 treesize of output 53256 [2022-12-14 13:20:44,120 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:20:44,808 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 13:20:44,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40854 [2022-12-14 13:20:45,624 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:20:51,942 INFO L321 Elim1Store]: treesize reduction 185, result has 49.9 percent of original size [2022-12-14 13:20:51,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66514 treesize of output 65984 [2022-12-14 13:20:52,832 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 43142 treesize of output 43102 [2022-12-14 13:20:54,473 INFO L321 Elim1Store]: treesize reduction 17, result has 48.5 percent of original size [2022-12-14 13:20:54,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40828 [2022-12-14 13:20:55,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 13:20:57,352 INFO L321 Elim1Store]: treesize reduction 45, result has 49.4 percent of original size [2022-12-14 13:20:57,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56608 treesize of output 56496 [2022-12-14 13:21:25,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:25,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:25,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:26,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:26,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:28,250 INFO L217 Elim1Store]: Index analysis took 5044 ms [2022-12-14 13:21:28,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:28,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:28,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:28,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:28,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:28,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:28,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:28,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:28,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:28,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:28,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 4453 [2022-12-14 13:21:28,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 13:21:30,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:32,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:34,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:34,298 INFO L217 Elim1Store]: Index analysis took 5086 ms [2022-12-14 13:21:34,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:34,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:34,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:34,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:34,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:34,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:34,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:34,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:34,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:34,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:34,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-12-14 13:21:35,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:35,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:37,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:38,178 INFO L217 Elim1Store]: Index analysis took 3644 ms [2022-12-14 13:21:38,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:38,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:38,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:38,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:38,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:38,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:38,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:38,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:38,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:38,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:38,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2257 [2022-12-14 13:21:38,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:21:38,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:21:38,543 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 42 treesize of output 24 [2022-12-14 13:21:39,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:21:39,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:21:39,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:40,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:41,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:21:41,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:21:41,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:41,664 INFO L217 Elim1Store]: Index analysis took 2740 ms [2022-12-14 13:21:41,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:41,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:41,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:41,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:41,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:41,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:41,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:41,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:41,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:41,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:41,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2269 [2022-12-14 13:21:41,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:21:41,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:21:41,997 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 44 treesize of output 26 [2022-12-14 13:21:42,318 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:21:43,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:43,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:44,440 INFO L217 Elim1Store]: Index analysis took 2069 ms [2022-12-14 13:21:44,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:44,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:44,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:44,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:44,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:44,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:44,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:44,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:44,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:44,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 40009 treesize of output 43909 [2022-12-14 13:21:48,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:52,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,784 INFO L217 Elim1Store]: Index analysis took 5645 ms [2022-12-14 13:21:53,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2215 [2022-12-14 13:21:54,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:21:54,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:21:54,205 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 380 treesize of output 194 [2022-12-14 13:21:54,352 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:21:58,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:58,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:58,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:58,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:59,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:59,511 INFO L217 Elim1Store]: Index analysis took 5015 ms [2022-12-14 13:21:59,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:59,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:59,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:59,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:59,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:59,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:59,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:59,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:59,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:59,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:59,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 507 treesize of output 3942 [2022-12-14 13:21:59,824 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:22:01,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:04,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:04,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:04,885 INFO L217 Elim1Store]: Index analysis took 4840 ms [2022-12-14 13:22:04,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:04,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:04,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:04,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:04,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:04,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:04,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:04,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:04,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:04,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:04,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-12-14 13:22:05,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:22:05,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:22:05,303 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 100 treesize of output 54 [2022-12-14 13:22:06,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:06,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:06,599 INFO L217 Elim1Store]: Index analysis took 1179 ms [2022-12-14 13:22:06,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:06,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:06,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:06,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:06,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:06,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:06,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:06,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:06,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:06,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 34295 treesize of output 38205 [2022-12-14 13:22:17,978 INFO L217 Elim1Store]: Index analysis took 7004 ms [2022-12-14 13:22:19,036 INFO L321 Elim1Store]: treesize reduction 538, result has 3.8 percent of original size [2022-12-14 13:22:19,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 14 case distinctions, treesize of input 403 treesize of output 2354 [2022-12-14 13:22:19,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:22:19,386 INFO L217 Elim1Store]: Index analysis took 205 ms [2022-12-14 13:22:19,739 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 13:22:19,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2022-12-14 13:22:20,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:22:20,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:22:20,014 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 42 treesize of output 24 [2022-12-14 13:22:23,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:25,670 INFO L217 Elim1Store]: Index analysis took 5463 ms [2022-12-14 13:22:26,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 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 316 treesize of output 2350 [2022-12-14 13:22:26,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:27,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:27,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:33,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:34,190 INFO L217 Elim1Store]: Index analysis took 7482 ms [2022-12-14 13:22:34,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:34,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:34,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:34,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:34,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:34,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:34,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:34,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:34,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:34,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:34,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1409 treesize of output 3388 [2022-12-14 13:22:34,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:22:34,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:22:34,587 INFO L217 Elim1Store]: Index analysis took 197 ms [2022-12-14 13:22:34,980 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 13:22:34,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1093 treesize of output 919 [2022-12-14 13:22:35,363 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:22:35,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:37,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:40,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:45,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:47,437 INFO L217 Elim1Store]: Index analysis took 11492 ms [2022-12-14 13:22:47,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:47,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:47,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:47,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:47,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:47,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:47,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:47,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:47,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:47,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:47,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 573 treesize of output 2471 [2022-12-14 13:22:48,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:22:48,156 INFO L217 Elim1Store]: Index analysis took 288 ms [2022-12-14 13:22:48,776 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 13:22:48,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 221 [2022-12-14 13:22:49,116 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:22:50,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:22:50,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:22:50,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:51,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:51,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:22:51,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:22:52,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:52,396 INFO L217 Elim1Store]: Index analysis took 3083 ms [2022-12-14 13:22:52,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:52,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:52,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:52,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:52,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:52,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:52,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:52,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:52,402 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:52,402 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:22:52,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 349 treesize of output 2287 [2022-12-14 13:22:52,549 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 41 treesize of output 21 [2022-12-14 13:22:52,920 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:24:02,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:24:04,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:24:04,623 INFO L217 Elim1Store]: Index analysis took 1949 ms [2022-12-14 13:24:04,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1905 treesize of output 16050 [2022-12-14 13:24:06,006 INFO L217 Elim1Store]: Index analysis took 394 ms [2022-12-14 13:25:51,475 WARN L233 SmtUtils]: Spent 1.76m on a formula simplification. DAG size of input: 222 DAG size of output: 42 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 13:25:51,477 INFO L321 Elim1Store]: treesize reduction 1365, result has 5.7 percent of original size [2022-12-14 13:25:51,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 38 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 33 new quantified variables, introduced 68 case distinctions, treesize of input 5645 treesize of output 94048