./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS --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 f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- 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-8393723 [2022-11-19 08:25:42,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:25:42,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:25:42,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:25:42,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:25:42,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:25:42,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:25:42,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:25:42,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:25:42,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:25:42,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:25:42,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:25:42,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:25:42,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:25:42,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:25:42,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:25:42,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:25:42,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:25:42,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:25:42,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:25:42,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:25:42,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:25:42,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:25:42,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:25:42,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:25:42,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:25:42,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:25:42,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:25:42,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:25:42,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:25:42,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:25:42,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:25:42,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:25:42,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:25:42,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:25:42,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:25:42,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:25:42,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:25:42,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:25:42,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:25:42,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:25:42,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 08:25:42,778 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:25:42,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:25:42,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:25:42,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:25:42,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:25:42,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:25:42,781 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:25:42,781 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:25:42,782 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:25:42,782 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:25:42,783 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:25:42,783 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:25:42,783 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:25:42,784 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:25:42,784 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:25:42,784 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:25:42,784 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:25:42,785 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:25:42,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:25:42,786 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:25:42,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:25:42,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:25:42,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:25:42,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:25:42,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:25:42,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:25:42,788 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:25:42,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:25:42,789 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:25:42,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:25:42,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:25:42,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:25:42,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:25:42,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:25:42,791 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:25:42,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:25:42,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:25:42,791 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:25:42,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:25:42,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:25:42,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:25:42,792 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_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2022-11-19 08:25:43,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:25:43,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:25:43,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:25:43,135 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:25:43,135 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:25:43,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2022-11-19 08:25:43,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/data/142a3be0d/9d7e44045f64474b948c40e6e6b8f709/FLAGb7778bad6 [2022-11-19 08:25:43,945 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:25:43,946 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2022-11-19 08:25:43,987 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/data/142a3be0d/9d7e44045f64474b948c40e6e6b8f709/FLAGb7778bad6 [2022-11-19 08:25:44,116 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/data/142a3be0d/9d7e44045f64474b948c40e6e6b8f709 [2022-11-19 08:25:44,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:25:44,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:25:44,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:25:44,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:25:44,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:25:44,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:25:44" (1/1) ... [2022-11-19 08:25:44,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66660fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:44, skipping insertion in model container [2022-11-19 08:25:44,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:25:44" (1/1) ... [2022-11-19 08:25:44,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:25:44,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:25:44,756 WARN L234 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_52dabecb-629d-4b28-9368-811f2a4c1758/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2022-11-19 08:25:45,059 WARN L234 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_52dabecb-629d-4b28-9368-811f2a4c1758/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2022-11-19 08:25:45,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:25:45,086 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:25:45,135 WARN L234 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_52dabecb-629d-4b28-9368-811f2a4c1758/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2022-11-19 08:25:45,311 WARN L234 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_52dabecb-629d-4b28-9368-811f2a4c1758/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2022-11-19 08:25:45,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:25:45,364 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:25:45,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:45 WrapperNode [2022-11-19 08:25:45,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:25:45,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:25:45,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:25:45,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:25:45,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:45" (1/1) ... [2022-11-19 08:25:45,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:45" (1/1) ... [2022-11-19 08:25:45,549 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-11-19 08:25:45,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:25:45,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:25:45,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:25:45,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:25:45,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:45" (1/1) ... [2022-11-19 08:25:45,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:45" (1/1) ... [2022-11-19 08:25:45,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:45" (1/1) ... [2022-11-19 08:25:45,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:45" (1/1) ... [2022-11-19 08:25:45,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:45" (1/1) ... [2022-11-19 08:25:45,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:45" (1/1) ... [2022-11-19 08:25:45,652 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:45" (1/1) ... [2022-11-19 08:25:45,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:45" (1/1) ... [2022-11-19 08:25:45,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:25:45,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:25:45,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:25:45,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:25:45,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:45" (1/1) ... [2022-11-19 08:25:45,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:25:45,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:25:45,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:25:45,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:25:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:25:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 08:25:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 08:25:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:25:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:25:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:25:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:25:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:25:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:25:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:25:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 08:25:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:25:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:25:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:25:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:25:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:25:46,082 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:25:46,084 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:25:48,935 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:25:49,385 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:25:49,385 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-19 08:25:49,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:25:49 BoogieIcfgContainer [2022-11-19 08:25:49,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:25:49,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:25:49,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:25:49,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:25:49,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:25:44" (1/3) ... [2022-11-19 08:25:49,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6047b650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:25:49, skipping insertion in model container [2022-11-19 08:25:49,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:45" (2/3) ... [2022-11-19 08:25:49,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6047b650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:25:49, skipping insertion in model container [2022-11-19 08:25:49,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:25:49" (3/3) ... [2022-11-19 08:25:49,404 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-1.i [2022-11-19 08:25:49,426 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:25:49,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-19 08:25:49,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:25:49,548 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;@1633645c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:25:49,549 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-19 08:25:49,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 08:25:49,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:25:49,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:25:49,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:25:49,566 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:25:49,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:25:49,573 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-11-19 08:25:49,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:25:49,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561503683] [2022-11-19 08:25:49,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:25:49,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:25:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:25:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:25:49,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:25:49,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561503683] [2022-11-19 08:25:49,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561503683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:25:49,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:25:49,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:25:49,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964195871] [2022-11-19 08:25:49,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:25:49,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:25:49,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:25:49,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:25:49,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:25:49,841 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:25:50,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:25:50,791 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-11-19 08:25:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:25:50,800 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 08:25:50,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:25:50,833 INFO L225 Difference]: With dead ends: 2197 [2022-11-19 08:25:50,834 INFO L226 Difference]: Without dead ends: 1097 [2022-11-19 08:25:50,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:25:50,851 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:25:50,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 08:25:50,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-19 08:25:51,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-11-19 08:25:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 08:25:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-11-19 08:25:51,277 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-11-19 08:25:51,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:25:51,278 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-11-19 08:25:51,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:25:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-11-19 08:25:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 08:25:51,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:25:51,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:25:51,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:25:51,281 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:25:51,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:25:51,282 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-11-19 08:25:51,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:25:51,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566082999] [2022-11-19 08:25:51,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:25:51,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:25:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:25:51,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:25:51,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:25:51,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566082999] [2022-11-19 08:25:51,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566082999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:25:51,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:25:51,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:25:51,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699975833] [2022-11-19 08:25:51,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:25:51,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:25:51,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:25:51,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:25:51,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:25:51,684 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:25:53,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:25:53,855 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-11-19 08:25:53,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:25:53,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-19 08:25:53,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:25:53,874 INFO L225 Difference]: With dead ends: 3192 [2022-11-19 08:25:53,874 INFO L226 Difference]: Without dead ends: 2148 [2022-11-19 08:25:53,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:25:53,882 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:25:53,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-19 08:25:53,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-19 08:25:54,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-11-19 08:25:54,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 08:25:54,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-11-19 08:25:54,320 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-11-19 08:25:54,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:25:54,320 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-11-19 08:25:54,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:25:54,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-11-19 08:25:54,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 08:25:54,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:25:54,325 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:25:54,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:25:54,325 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:25:54,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:25:54,335 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-11-19 08:25:54,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:25:54,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159768648] [2022-11-19 08:25:54,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:25:54,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:25:54,503 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:25:54,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1293671688] [2022-11-19 08:25:54,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:25:54,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:25:54,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:25:54,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:25:54,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:25:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:25:55,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:25:55,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:25:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:25:55,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:25:55,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:25:55,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159768648] [2022-11-19 08:25:55,365 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:25:55,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293671688] [2022-11-19 08:25:55,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293671688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:25:55,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:25:55,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:25:55,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432236594] [2022-11-19 08:25:55,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:25:55,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:25:55,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:25:55,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:25:55,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:25:55,372 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:25:56,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:25:56,741 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-11-19 08:25:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:25:56,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-19 08:25:56,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:25:56,764 INFO L225 Difference]: With dead ends: 3230 [2022-11-19 08:25:56,764 INFO L226 Difference]: Without dead ends: 2134 [2022-11-19 08:25:56,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:25:56,771 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:25:56,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 08:25:56,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-19 08:25:57,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-11-19 08:25:57,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-19 08:25:57,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-11-19 08:25:57,163 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-11-19 08:25:57,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:25:57,164 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-11-19 08:25:57,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:25:57,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-11-19 08:25:57,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 08:25:57,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:25:57,177 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:25:57,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:25:57,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:25:57,387 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:25:57,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:25:57,388 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-11-19 08:25:57,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:25:57,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307870724] [2022-11-19 08:25:57,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:25:57,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:25:57,453 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:25:57,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [66980761] [2022-11-19 08:25:57,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:25:57,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:25:57,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:25:57,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:25:57,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:25:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:25:57,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:25:57,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:25:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:25:58,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:25:58,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:25:58,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307870724] [2022-11-19 08:25:58,107 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:25:58,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66980761] [2022-11-19 08:25:58,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66980761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:25:58,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:25:58,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:25:58,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430786305] [2022-11-19 08:25:58,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:25:58,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:25:58,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:25:58,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:25:58,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:25:58,110 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:26:00,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:26:00,304 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-11-19 08:26:00,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:26:00,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-19 08:26:00,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:26:00,313 INFO L225 Difference]: With dead ends: 3228 [2022-11-19 08:26:00,313 INFO L226 Difference]: Without dead ends: 1112 [2022-11-19 08:26:00,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:26:00,326 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:26:00,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-19 08:26:00,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-11-19 08:26:00,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-11-19 08:26:00,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 08:26:00,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-11-19 08:26:00,530 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-11-19 08:26:00,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:26:00,531 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-11-19 08:26:00,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:26:00,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-11-19 08:26:00,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-19 08:26:00,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:26:00,535 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:26:00,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:26:00,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:26:00,747 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:26:00,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:26:00,748 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-11-19 08:26:00,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:26:00,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688974504] [2022-11-19 08:26:00,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:26:00,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:26:00,831 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:26:00,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1658895655] [2022-11-19 08:26:00,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:26:00,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:26:00,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:26:00,836 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:26:00,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:26:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:26:15,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:26:15,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:26:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:26:15,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:26:15,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:26:15,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688974504] [2022-11-19 08:26:15,837 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:26:15,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658895655] [2022-11-19 08:26:15,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658895655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:26:15,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:26:15,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:26:15,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279774955] [2022-11-19 08:26:15,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:26:15,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:26:15,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:26:15,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:26:15,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:26:15,840 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:26:17,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:26:17,308 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-11-19 08:26:17,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:26:17,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2022-11-19 08:26:17,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:26:17,320 INFO L225 Difference]: With dead ends: 2207 [2022-11-19 08:26:17,320 INFO L226 Difference]: Without dead ends: 1114 [2022-11-19 08:26:17,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:26:17,327 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:26:17,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 08:26:17,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-11-19 08:26:17,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-11-19 08:26:17,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-11-19 08:26:17,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-11-19 08:26:17,529 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-11-19 08:26:17,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:26:17,531 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-11-19 08:26:17,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:26:17,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-11-19 08:26:17,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 08:26:17,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:26:17,534 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:26:17,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:26:17,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:26:17,755 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:26:17,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:26:17,756 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-11-19 08:26:17,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:26:17,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462777728] [2022-11-19 08:26:17,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:26:17,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:26:17,822 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:26:17,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869084215] [2022-11-19 08:26:17,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:26:17,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:26:17,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:26:17,826 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:26:17,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52dabecb-629d-4b28-9368-811f2a4c1758/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:27:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:04,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-19 08:27:04,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:04,992 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:27:04,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:27:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:27:05,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:05,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462777728] [2022-11-19 08:27:05,113 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:27:05,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869084215] [2022-11-19 08:27:05,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869084215] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:27:05,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1082312673] [2022-11-19 08:27:05,140 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-19 08:27:05,140 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:27:05,145 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:27:05,151 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:27:05,152 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:27:05,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:05,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,326 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 08:27:05,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 08:27:05,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:27:05,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 08:27:05,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:05,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,435 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:27:05,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-19 08:27:05,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,492 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:27:05,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:27:05,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 08:27:05,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:27:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:27:06,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:27:06,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-19 08:27:06,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-19 08:27:06,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:27:06,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 08:27:06,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 08:27:06,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:27:06,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:27:06,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 08:27:06,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:27:06,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:27:06,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,694 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 08:27:06,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 08:27:06,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,785 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:27:06,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 08:27:07,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:27:07,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:27:07,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:27:07,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 08:27:07,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 08:27:07,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 08:27:07,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:27:07,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:27:07,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:27:07,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 08:27:07,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 08:27:07,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 08:27:07,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 08:27:07,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 08:27:07,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 08:27:08,377 INFO L217 Elim1Store]: Index analysis took 583 ms [2022-11-19 08:27:12,192 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 08:27:12,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-19 08:27:14,204 INFO L217 Elim1Store]: Index analysis took 1768 ms [2022-11-19 08:27:14,918 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 08:27:14,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-19 08:27:21,422 WARN L233 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:27:21,423 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 08:27:21,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-19 08:27:21,801 INFO L217 Elim1Store]: Index analysis took 192 ms [2022-11-19 08:27:42,076 WARN L233 SmtUtils]: Spent 20.27s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:27:42,077 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 08:27:42,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-19 08:27:43,715 INFO L217 Elim1Store]: Index analysis took 948 ms [2022-11-19 08:28:09,159 WARN L233 SmtUtils]: Spent 24.90s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:28:09,160 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-19 08:28:09,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 4294 treesize of output 11953 [2022-11-19 08:28:11,050 INFO L217 Elim1Store]: Index analysis took 152 ms [2022-11-19 08:28:11,569 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-19 08:28:11,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-19 08:28:11,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 08:28:12,237 INFO L217 Elim1Store]: Index analysis took 312 ms [2022-11-19 08:28:12,913 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:12,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-19 08:28:13,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:13,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-19 08:28:13,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:13,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-19 08:28:13,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:13,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-19 08:28:13,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:13,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 08:28:14,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:14,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 08:28:16,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 08:28:16,454 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:28:16,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:16,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 08:28:17,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:17,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-19 08:28:17,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 08:28:17,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 08:28:17,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 08:28:18,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-19 08:28:30,198 INFO L217 Elim1Store]: Index analysis took 1486 ms [2022-11-19 08:38:09,692 WARN L233 SmtUtils]: Spent 9.66m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:38:09,693 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-11-19 08:38:09,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-11-19 08:39:07,779 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:39:08,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:08,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:08,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:08,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:08,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:14,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:14,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:14,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:14,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:14,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:14,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:14,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:14,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:19,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:19,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:19,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:19,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:44,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:44,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:44,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:44,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:44,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:44,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:44,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:02,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:02,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:02,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:02,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:09,158 INFO L217 Elim1Store]: Index analysis took 60556 ms [2022-11-19 08:40:09,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-19 08:40:10,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:10,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:10,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:10,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:10,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:11,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:11,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:11,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:11,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:11,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:11,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:11,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:11,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:12,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:12,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:12,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:12,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:19,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:19,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:19,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:19,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:19,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:19,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:19,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:24,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:24,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:24,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:24,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:25,450 INFO L217 Elim1Store]: Index analysis took 14888 ms [2022-11-19 08:40:25,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-19 08:40:29,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:30,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:33,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:38,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:38,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:38,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:38,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:38,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:39,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:39,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:42,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:42,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:42,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:46,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:50,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:52,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:52,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:52,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:53,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:53,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:54,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:40:57,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:41:00,668 INFO L173 IndexEqualityManager]: detected equality via solver