./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1f34940ecf685c2c1201858b264ccb53eb3034d3cb9952a1b49bb437c42dde1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:01:19,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:01:19,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:01:19,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:01:19,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:01:19,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:01:19,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:01:19,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:01:19,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:01:19,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:01:19,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:01:19,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:01:19,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:01:19,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:01:19,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:01:19,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:01:19,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:01:19,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:01:19,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:01:19,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:01:19,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:01:19,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:01:19,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:01:19,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:01:19,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:01:19,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:01:19,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:01:19,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:01:19,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:01:19,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:01:19,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:01:19,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:01:19,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:01:19,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:01:19,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:01:19,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:01:19,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:01:19,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:01:19,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:01:19,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:01:19,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:01:19,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:01:19,782 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:01:19,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:01:19,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:01:19,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:01:19,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:01:19,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:01:19,784 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:01:19,785 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:01:19,785 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:01:19,785 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:01:19,785 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:01:19,786 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:01:19,786 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:01:19,786 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:01:19,786 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:01:19,786 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:01:19,787 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:01:19,787 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:01:19,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:01:19,788 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:01:19,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:01:19,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:01:19,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:01:19,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:01:19,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:01:19,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:01:19,789 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:01:19,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:01:19,790 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:01:19,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:01:19,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:01:19,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:01:19,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:01:19,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:01:19,791 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:01:19,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:01:19,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:01:19,792 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:01:19,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:01:19,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:01:19,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:01:19,793 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_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f34940ecf685c2c1201858b264ccb53eb3034d3cb9952a1b49bb437c42dde1 [2022-11-26 00:01:20,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:01:20,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:01:20,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:01:20,036 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:01:20,036 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:01:20,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i [2022-11-26 00:01:23,078 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:01:23,512 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:01:23,518 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i [2022-11-26 00:01:23,537 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/data/11c2189b9/430a3525d52c4d6fa5a65f3a5613aba0/FLAGaaf925019 [2022-11-26 00:01:23,551 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/data/11c2189b9/430a3525d52c4d6fa5a65f3a5613aba0 [2022-11-26 00:01:23,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:01:23,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:01:23,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:01:23,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:01:23,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:01:23,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:23" (1/1) ... [2022-11-26 00:01:23,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c34f9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:23, skipping insertion in model container [2022-11-26 00:01:23,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:23" (1/1) ... [2022-11-26 00:01:23,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:01:23,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:01:24,078 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[33021,33034] [2022-11-26 00:01:24,228 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:01:24,254 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[44590,44603] [2022-11-26 00:01:24,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:01:24,278 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:01:24,322 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[33021,33034] [2022-11-26 00:01:24,365 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:01:24,372 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[44590,44603] [2022-11-26 00:01:24,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:01:24,413 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:01:24,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24 WrapperNode [2022-11-26 00:01:24,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:01:24,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:01:24,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:01:24,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:01:24,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,498 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1022 [2022-11-26 00:01:24,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:01:24,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:01:24,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:01:24,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:01:24,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,588 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:01:24,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:01:24,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:01:24,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:01:24,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (1/1) ... [2022-11-26 00:01:24,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:01:24,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:01:24,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:01:24,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:01:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:01:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:01:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:01:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:01:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:01:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:01:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:01:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:01:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:01:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:01:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:01:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:01:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:01:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:01:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:01:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:01:25,003 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:01:25,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:01:26,709 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:01:27,146 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:01:27,146 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-26 00:01:27,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:27 BoogieIcfgContainer [2022-11-26 00:01:27,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:01:27,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:01:27,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:01:27,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:01:27,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:01:23" (1/3) ... [2022-11-26 00:01:27,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f64959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:27, skipping insertion in model container [2022-11-26 00:01:27,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:24" (2/3) ... [2022-11-26 00:01:27,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f64959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:27, skipping insertion in model container [2022-11-26 00:01:27,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:27" (3/3) ... [2022-11-26 00:01:27,164 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-1.i [2022-11-26 00:01:27,183 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:01:27,183 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:01:27,249 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:01:27,259 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;@1ebd06c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:01:27,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:01:27,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:01:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:01:27,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:27,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:27,274 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:01:27,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:27,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1898435451, now seen corresponding path program 1 times [2022-11-26 00:01:27,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:27,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418493086] [2022-11-26 00:01:27,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:27,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:27,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:27,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:27,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418493086] [2022-11-26 00:01:27,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418493086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:27,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:27,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:01:27,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776514049] [2022-11-26 00:01:27,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:27,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:01:27,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:27,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:01:27,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:01:27,571 INFO L87 Difference]: Start difference. First operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:28,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:28,055 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2022-11-26 00:01:28,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:01:28,061 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 [2022-11-26 00:01:28,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:28,070 INFO L225 Difference]: With dead ends: 245 [2022-11-26 00:01:28,071 INFO L226 Difference]: Without dead ends: 122 [2022-11-26 00:01:28,074 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 [2022-11-26 00:01:28,077 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:28,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:01:28,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-26 00:01:28,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-26 00:01:28,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 116 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:01:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 150 transitions. [2022-11-26 00:01:28,122 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 150 transitions. Word has length 8 [2022-11-26 00:01:28,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:28,122 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 150 transitions. [2022-11-26 00:01:28,123 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) [2022-11-26 00:01:28,123 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2022-11-26 00:01:28,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:01:28,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:28,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:28,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:01:28,125 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:01:28,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:28,125 INFO L85 PathProgramCache]: Analyzing trace with hash -94655351, now seen corresponding path program 1 times [2022-11-26 00:01:28,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:28,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245244445] [2022-11-26 00:01:28,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:28,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:28,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:28,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245244445] [2022-11-26 00:01:28,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245244445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:28,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:28,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:01:28,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122094648] [2022-11-26 00:01:28,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:28,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:01:28,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:28,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:01:28,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:01:28,365 INFO L87 Difference]: Start difference. First operand 122 states and 150 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:30,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:01:30,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:30,614 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2022-11-26 00:01:30,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:01:30,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:01:30,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:30,625 INFO L225 Difference]: With dead ends: 258 [2022-11-26 00:01:30,625 INFO L226 Difference]: Without dead ends: 189 [2022-11-26 00:01:30,626 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 [2022-11-26 00:01:30,627 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:30,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 355 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:01:30,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-26 00:01:30,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 124. [2022-11-26 00:01:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 118 states have internal predecessors, (136), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:01:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-11-26 00:01:30,648 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 13 [2022-11-26 00:01:30,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:30,649 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-26 00:01:30,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2022-11-26 00:01:30,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-26 00:01:30,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:30,651 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:30,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:01:30,651 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:01:30,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:30,652 INFO L85 PathProgramCache]: Analyzing trace with hash 339208180, now seen corresponding path program 1 times [2022-11-26 00:01:30,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:30,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059244738] [2022-11-26 00:01:30,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:30,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:30,822 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:01:30,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [21817790] [2022-11-26 00:01:30,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:30,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:01:30,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:01:30,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:01:30,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:01:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:31,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:01:31,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:01:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:31,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:01:31,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:31,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059244738] [2022-11-26 00:01:31,701 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:01:31,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21817790] [2022-11-26 00:01:31,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21817790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:31,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:31,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:01:31,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902739877] [2022-11-26 00:01:31,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:31,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:01:31,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:31,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:01:31,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:01:31,703 INFO L87 Difference]: Start difference. First operand 124 states and 152 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:32,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:32,770 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2022-11-26 00:01:32,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:01:32,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-26 00:01:32,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:32,776 INFO L225 Difference]: With dead ends: 304 [2022-11-26 00:01:32,777 INFO L226 Difference]: Without dead ends: 183 [2022-11-26 00:01:32,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:01:32,778 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 58 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:32,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 278 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 00:01:32,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-26 00:01:32,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 167. [2022-11-26 00:01:32,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 155 states have (on average 1.1935483870967742) internal successors, (185), 161 states have internal predecessors, (185), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:01:32,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2022-11-26 00:01:32,811 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 37 [2022-11-26 00:01:32,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:32,812 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2022-11-26 00:01:32,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:32,812 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2022-11-26 00:01:32,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-26 00:01:32,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:32,815 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:32,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:01:33,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:01:33,025 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:01:33,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:33,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1571641394, now seen corresponding path program 1 times [2022-11-26 00:01:33,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:33,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868694831] [2022-11-26 00:01:33,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:33,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:33,090 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:01:33,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1297036807] [2022-11-26 00:01:33,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:33,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:01:33,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:01:33,098 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:01:33,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:01:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:33,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:01:33,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:01:33,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:01:33,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-26 00:01:33,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:01:33,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:01:33,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:33,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868694831] [2022-11-26 00:01:33,794 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:01:33,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297036807] [2022-11-26 00:01:33,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297036807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:33,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:33,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:01:33,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595308892] [2022-11-26 00:01:33,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:33,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:01:33,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:33,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:01:33,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:01:33,798 INFO L87 Difference]: Start difference. First operand 167 states and 201 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:01:35,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:35,415 INFO L93 Difference]: Finished difference Result 231 states and 285 transitions. [2022-11-26 00:01:35,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:01:35,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2022-11-26 00:01:35,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:35,421 INFO L225 Difference]: With dead ends: 231 [2022-11-26 00:01:35,421 INFO L226 Difference]: Without dead ends: 212 [2022-11-26 00:01:35,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:01:35,422 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:35,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 354 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:01:35,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-26 00:01:35,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 169. [2022-11-26 00:01:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 157 states have (on average 1.1910828025477707) internal successors, (187), 163 states have internal predecessors, (187), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:01:35,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 203 transitions. [2022-11-26 00:01:35,437 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 203 transitions. Word has length 50 [2022-11-26 00:01:35,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:35,437 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 203 transitions. [2022-11-26 00:01:35,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:01:35,438 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2022-11-26 00:01:35,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-26 00:01:35,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:35,439 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] [2022-11-26 00:01:35,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:01:35,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:01:35,647 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:01:35,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:35,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2144578966, now seen corresponding path program 1 times [2022-11-26 00:01:35,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:35,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948493128] [2022-11-26 00:01:35,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:35,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:35,734 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:01:35,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355263423] [2022-11-26 00:01:35,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:35,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:01:35,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:01:35,738 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:01:35,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:01:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:36,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:01:36,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:01:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:01:36,376 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:01:36,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:36,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948493128] [2022-11-26 00:01:36,377 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:01:36,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355263423] [2022-11-26 00:01:36,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355263423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:36,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:36,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:01:36,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962098221] [2022-11-26 00:01:36,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:36,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:01:36,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:36,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:01:36,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:01:36,380 INFO L87 Difference]: Start difference. First operand 169 states and 203 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:01:37,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:37,264 INFO L93 Difference]: Finished difference Result 395 states and 492 transitions. [2022-11-26 00:01:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:01:37,265 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 [2022-11-26 00:01:37,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:37,267 INFO L225 Difference]: With dead ends: 395 [2022-11-26 00:01:37,267 INFO L226 Difference]: Without dead ends: 242 [2022-11-26 00:01:37,268 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 [2022-11-26 00:01:37,269 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 260 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:37,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 290 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:01:37,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-11-26 00:01:37,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 214. [2022-11-26 00:01:37,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 202 states have (on average 1.193069306930693) internal successors, (241), 208 states have internal predecessors, (241), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:01:37,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 257 transitions. [2022-11-26 00:01:37,316 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 257 transitions. Word has length 57 [2022-11-26 00:01:37,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:37,316 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 257 transitions. [2022-11-26 00:01:37,317 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) [2022-11-26 00:01:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 257 transitions. [2022-11-26 00:01:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-26 00:01:37,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:37,319 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] [2022-11-26 00:01:37,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:01:37,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:01:37,527 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:01:37,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:37,528 INFO L85 PathProgramCache]: Analyzing trace with hash 2121750984, now seen corresponding path program 1 times [2022-11-26 00:01:37,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:37,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325687609] [2022-11-26 00:01:37,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:37,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:37,603 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:01:37,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1167232954] [2022-11-26 00:01:37,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:37,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:01:37,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:01:37,606 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:01:37,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:01:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:48,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:01:48,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:01:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:01:48,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:01:48,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:48,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325687609] [2022-11-26 00:01:48,990 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:01:48,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167232954] [2022-11-26 00:01:48,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167232954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:48,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:48,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:01:48,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758079961] [2022-11-26 00:01:48,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:48,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:01:48,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:48,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:01:48,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:01:48,993 INFO L87 Difference]: Start difference. First operand 214 states and 257 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:01:49,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:49,921 INFO L93 Difference]: Finished difference Result 411 states and 498 transitions. [2022-11-26 00:01:49,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:01:49,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-26 00:01:49,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:49,926 INFO L225 Difference]: With dead ends: 411 [2022-11-26 00:01:49,926 INFO L226 Difference]: Without dead ends: 216 [2022-11-26 00:01:49,927 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 [2022-11-26 00:01:49,928 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:49,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 392 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:01:49,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-26 00:01:49,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-11-26 00:01:49,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 203 states have (on average 1.1970443349753694) internal successors, (243), 210 states have internal predecessors, (243), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-26 00:01:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2022-11-26 00:01:49,944 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 64 [2022-11-26 00:01:49,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:49,945 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2022-11-26 00:01:49,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:01:49,945 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2022-11-26 00:01:49,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:01:49,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:49,947 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] [2022-11-26 00:01:49,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:01:50,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-26 00:01:50,148 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:01:50,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:50,148 INFO L85 PathProgramCache]: Analyzing trace with hash -869473738, now seen corresponding path program 1 times [2022-11-26 00:01:50,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:50,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240004651] [2022-11-26 00:01:50,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:50,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:50,237 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:01:50,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [450793149] [2022-11-26 00:01:50,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:50,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:01:50,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:01:50,239 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:01:50,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4780d019-95da-4ecf-bbe1-575d6f2249df/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:02:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:29,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:02:29,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:02:29,162 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:02:29,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:02:29,276 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:02:29,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:29,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240004651] [2022-11-26 00:02:29,277 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:02:29,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450793149] [2022-11-26 00:02:29,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450793149] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:02:29,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [75427311] [2022-11-26 00:02:29,300 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-26 00:02:29,300 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:02:29,304 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:02:29,310 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:02:29,310 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:02:29,441 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 [2022-11-26 00:02:29,447 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 [2022-11-26 00:02:29,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,469 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-26 00:02:29,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-26 00:02:29,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-26 00:02:29,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,511 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:02:29,511 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 [2022-11-26 00:02:29,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,575 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:02:29,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-26 00:02:29,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,628 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:02:29,628 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 [2022-11-26 00:02:29,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:02:29,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,714 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:02:29,714 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 [2022-11-26 00:02:29,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:29,747 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 [2022-11-26 00:02:30,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,218 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 [2022-11-26 00:02:30,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-26 00:02:30,321 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 [2022-11-26 00:02:30,343 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 [2022-11-26 00:02:30,408 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 [2022-11-26 00:02:30,422 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 [2022-11-26 00:02:30,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,483 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 [2022-11-26 00:02:30,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,536 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 [2022-11-26 00:02:30,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,620 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 [2022-11-26 00:02:30,660 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 [2022-11-26 00:02:30,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,728 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:02:30,728 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 [2022-11-26 00:02:30,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:30,814 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:02:30,815 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 [2022-11-26 00:02:30,847 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 [2022-11-26 00:02:31,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:02:31,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:02:31,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:02:31,108 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:02:31,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-26 00:02:31,141 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-26 00:02:31,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-26 00:02:31,173 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:02:31,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-26 00:02:31,211 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 [2022-11-26 00:02:31,216 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 [2022-11-26 00:02:31,223 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 [2022-11-26 00:02:31,284 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 [2022-11-26 00:02:31,308 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 [2022-11-26 00:02:31,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:02:31,575 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 [2022-11-26 00:02:31,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:02:31,648 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 [2022-11-26 00:02:32,679 INFO L217 Elim1Store]: Index analysis took 688 ms [2022-11-26 00:02:37,485 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-26 00:02:37,486 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 [2022-11-26 00:02:38,687 INFO L217 Elim1Store]: Index analysis took 1012 ms [2022-11-26 00:02:39,335 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-26 00:02:39,336 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 [2022-11-26 00:02:48,638 WARN L233 SmtUtils]: Spent 9.15s 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) [2022-11-26 00:02:48,638 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:02:48,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-26 00:02:49,005 INFO L217 Elim1Store]: Index analysis took 161 ms [2022-11-26 00:03:14,478 WARN L233 SmtUtils]: Spent 25.47s 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) [2022-11-26 00:03:14,479 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:03:14,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-26 00:03:16,528 INFO L217 Elim1Store]: Index analysis took 1422 ms [2022-11-26 00:03:43,960 WARN L233 SmtUtils]: Spent 26.48s 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) [2022-11-26 00:03:43,961 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-26 00:03:43,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 3622 treesize of output 7921 [2022-11-26 00:03:45,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:45,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-26 00:03:45,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:45,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:45,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:45,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-26 00:03:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:47,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-26 00:03:47,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:47,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-26 00:03:48,065 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-11-26 00:03:50,931 INFO L321 Elim1Store]: treesize reduction 550, result has 14.1 percent of original size [2022-11-26 00:03:50,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 18 case distinctions, treesize of input 51016 treesize of output 53256 [2022-11-26 00:03:59,128 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:03:59,808 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:03:59,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40854 [2022-11-26 00:04:00,841 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:04:08,984 WARN L233 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 45 DAG size of output: 37 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:04:08,985 INFO L321 Elim1Store]: treesize reduction 185, result has 49.9 percent of original size [2022-11-26 00:04:08,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66514 treesize of output 65984 [2022-11-26 00:04:10,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43142 treesize of output 43102 [2022-11-26 00:04:12,209 INFO L321 Elim1Store]: treesize reduction 17, result has 48.5 percent of original size [2022-11-26 00:04:12,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40828 [2022-11-26 00:04:13,221 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 [2022-11-26 00:04:15,744 INFO L321 Elim1Store]: treesize reduction 45, result has 49.4 percent of original size [2022-11-26 00:04:15,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56608 treesize of output 56496 [2022-11-26 00:04:48,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:49,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:49,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:49,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:50,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:52,109 INFO L217 Elim1Store]: Index analysis took 6281 ms [2022-11-26 00:04:52,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:52,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:52,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:52,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:52,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:52,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:52,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:52,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:52,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:52,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:52,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 4453 [2022-11-26 00:04:52,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 00:04:54,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:57,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:58,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:59,140 INFO L217 Elim1Store]: Index analysis took 6082 ms [2022-11-26 00:04:59,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:59,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:59,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:59,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:59,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:59,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:59,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:59,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:59,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:59,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:59,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-11-26 00:05:00,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:00,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:03,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,215 INFO L217 Elim1Store]: Index analysis took 4741 ms [2022-11-26 00:05:04,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2257 [2022-11-26 00:05:04,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:04,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:04,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2022-11-26 00:05:05,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:05,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:06,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:07,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:07,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:07,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:08,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:08,804 INFO L217 Elim1Store]: Index analysis took 3715 ms [2022-11-26 00:05:08,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:08,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:08,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:08,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:08,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:08,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:08,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:08,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:08,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:08,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:08,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2269 [2022-11-26 00:05:09,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:09,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:09,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2022-11-26 00:05:09,489 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:05:10,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:11,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:11,458 INFO L217 Elim1Store]: Index analysis took 1892 ms [2022-11-26 00:05:11,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:11,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:11,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:11,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:11,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:11,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:11,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:11,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:11,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:11,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 40009 treesize of output 43909 [2022-11-26 00:05:16,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:21,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:22,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:22,821 INFO L217 Elim1Store]: Index analysis took 6936 ms [2022-11-26 00:05:22,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:22,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:22,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:22,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:22,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:22,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:22,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:22,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:22,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:22,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:22,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2215 [2022-11-26 00:05:23,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:23,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:23,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 194 [2022-11-26 00:05:23,479 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:05:28,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:28,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:28,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:28,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:29,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:30,141 INFO L217 Elim1Store]: Index analysis took 6467 ms [2022-11-26 00:05:30,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:30,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:30,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:30,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:30,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:30,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:30,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:30,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:30,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:30,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:30,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 507 treesize of output 3942 [2022-11-26 00:05:30,512 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:05:31,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:35,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:36,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:36,849 INFO L217 Elim1Store]: Index analysis took 6065 ms [2022-11-26 00:05:36,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:36,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:36,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:36,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:36,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:36,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:36,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:36,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:36,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:36,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:36,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-11-26 00:05:37,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:37,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:37,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 54 [2022-11-26 00:05:38,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:38,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:38,920 INFO L217 Elim1Store]: Index analysis took 1436 ms [2022-11-26 00:05:38,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:38,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:38,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:38,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:38,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:38,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:38,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:38,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:38,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:38,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 34295 treesize of output 38205 [2022-11-26 00:05:52,758 INFO L217 Elim1Store]: Index analysis took 8845 ms [2022-11-26 00:05:54,111 INFO L321 Elim1Store]: treesize reduction 538, result has 3.8 percent of original size [2022-11-26 00:05:54,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 14 case distinctions, treesize of input 403 treesize of output 2354 [2022-11-26 00:05:54,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:54,549 INFO L217 Elim1Store]: Index analysis took 256 ms [2022-11-26 00:05:54,999 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:05:54,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2022-11-26 00:05:55,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:55,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:55,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2022-11-26 00:06:00,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:02,355 INFO L217 Elim1Store]: Index analysis took 6806 ms [2022-11-26 00:06:03,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 2350 [2022-11-26 00:06:03,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:04,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:05,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:13,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:14,279 INFO L217 Elim1Store]: Index analysis took 10322 ms [2022-11-26 00:06:14,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:14,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:14,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:14,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:14,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:14,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:14,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:14,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:14,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:14,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:14,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1409 treesize of output 3388 [2022-11-26 00:06:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:14,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:14,772 INFO L217 Elim1Store]: Index analysis took 247 ms [2022-11-26 00:06:15,296 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:06:15,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1093 treesize of output 919 [2022-11-26 00:06:15,744 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:06:16,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:18,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:22,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:30,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:32,935 INFO L217 Elim1Store]: Index analysis took 16495 ms [2022-11-26 00:06:32,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:32,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:32,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:32,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:32,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:32,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:32,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:32,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:32,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:32,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:32,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 573 treesize of output 2471 [2022-11-26 00:06:33,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:33,893 INFO L217 Elim1Store]: Index analysis took 346 ms [2022-11-26 00:06:34,863 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:06:34,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 221 [2022-11-26 00:06:35,330 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:06:36,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:37,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:37,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:39,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:39,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:39,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:39,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:40,144 INFO L217 Elim1Store]: Index analysis took 4561 ms [2022-11-26 00:06:40,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:40,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:40,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:40,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:40,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:40,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:40,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:40,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:40,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:40,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:40,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 349 treesize of output 2287 [2022-11-26 00:06:40,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 21 [2022-11-26 00:06:40,822 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:04,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:07,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:07,419 INFO L217 Elim1Store]: Index analysis took 2453 ms [2022-11-26 00:08:07,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1905 treesize of output 16050 [2022-11-26 00:08:09,093 INFO L217 Elim1Store]: Index analysis took 482 ms [2022-11-26 00:09:57,211 WARN L233 SmtUtils]: Spent 1.80m on a formula simplification. DAG size of input: 222 DAG size of output: 42 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:09:57,214 INFO L321 Elim1Store]: treesize reduction 1365, result has 5.7 percent of original size [2022-11-26 00:09:57,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 38 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 33 new quantified variables, introduced 68 case distinctions, treesize of input 5645 treesize of output 94048