./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_stateful-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stateful-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c1d6cba599289c2637bd3d8da41e464d318a32e6ae6e6e0e391ff437e6ce1fcc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 13:47:49,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:47:49,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:47:49,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:47:49,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:47:49,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:47:49,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:47:49,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:47:49,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:47:49,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:47:49,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:47:49,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:47:49,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:47:49,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:47:49,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:47:49,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:47:49,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:47:49,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:47:49,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:47:49,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:47:49,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:47:49,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:47:49,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:47:49,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:47:49,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:47:49,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:47:49,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:47:49,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:47:49,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:47:49,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:47:49,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:47:49,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:47:49,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:47:49,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:47:49,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:47:49,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:47:49,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:47:49,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:47:49,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:47:49,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:47:49,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:47:49,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 13:47:49,559 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:47:49,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:47:49,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:47:49,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:47:49,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:47:49,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:47:49,561 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:47:49,561 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:47:49,562 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:47:49,562 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:47:49,562 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:47:49,562 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:47:49,562 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:47:49,562 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:47:49,563 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:47:49,563 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:47:49,563 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:47:49,563 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:47:49,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:47:49,564 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 13:47:49,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:47:49,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 13:47:49,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:47:49,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:47:49,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:47:49,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:47:49,566 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 13:47:49,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:47:49,566 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:47:49,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:47:49,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:47:49,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:47:49,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:47:49,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:47:49,567 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:47:49,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:47:49,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:47:49,568 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:47:49,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:47:49,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:47:49,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:47:49,568 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_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1d6cba599289c2637bd3d8da41e464d318a32e6ae6e6e0e391ff437e6ce1fcc [2022-12-14 13:47:49,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:47:49,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:47:49,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:47:49,778 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:47:49,778 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:47:49,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/seq-pthread/cs_stateful-2.i [2022-12-14 13:47:52,330 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:47:52,527 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:47:52,527 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/sv-benchmarks/c/seq-pthread/cs_stateful-2.i [2022-12-14 13:47:52,538 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/data/79304edf6/9afa2cb3e5974395bf215a843d34894f/FLAG90bf9fe42 [2022-12-14 13:47:52,885 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/data/79304edf6/9afa2cb3e5974395bf215a843d34894f [2022-12-14 13:47:52,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:47:52,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:47:52,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:47:52,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:47:52,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:47:52,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:47:52" (1/1) ... [2022-12-14 13:47:52,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd179b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:52, skipping insertion in model container [2022-12-14 13:47:52,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:47:52" (1/1) ... [2022-12-14 13:47:52,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:47:52,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:47:53,099 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_153d511f-83c7-4831-8c6d-a113c507af65/sv-benchmarks/c/seq-pthread/cs_stateful-2.i[23607,23620] [2022-12-14 13:47:53,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:47:53,162 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:47:53,181 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_153d511f-83c7-4831-8c6d-a113c507af65/sv-benchmarks/c/seq-pthread/cs_stateful-2.i[23607,23620] [2022-12-14 13:47:53,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:47:53,229 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:47:53,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:53 WrapperNode [2022-12-14 13:47:53,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:47:53,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:47:53,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:47:53,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:47:53,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:53" (1/1) ... [2022-12-14 13:47:53,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:53" (1/1) ... [2022-12-14 13:47:53,270 INFO L138 Inliner]: procedures = 145, calls = 245, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 539 [2022-12-14 13:47:53,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:47:53,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:47:53,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:47:53,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:47:53,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:53" (1/1) ... [2022-12-14 13:47:53,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:53" (1/1) ... [2022-12-14 13:47:53,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:53" (1/1) ... [2022-12-14 13:47:53,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:53" (1/1) ... [2022-12-14 13:47:53,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:53" (1/1) ... [2022-12-14 13:47:53,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:53" (1/1) ... [2022-12-14 13:47:53,301 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:53" (1/1) ... [2022-12-14 13:47:53,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:53" (1/1) ... [2022-12-14 13:47:53,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:47:53,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:47:53,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:47:53,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:47:53,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:53" (1/1) ... [2022-12-14 13:47:53,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:47:53,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:47:53,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:47:53,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:47:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 13:47:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 13:47:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 13:47:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 13:47:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:47:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 13:47:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 13:47:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2022-12-14 13:47:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2022-12-14 13:47:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2022-12-14 13:47:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2022-12-14 13:47:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-12-14 13:47:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-12-14 13:47:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 13:47:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-12-14 13:47:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-12-14 13:47:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 13:47:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 13:47:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 13:47:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 13:47:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-12-14 13:47:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-12-14 13:47:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:47:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2022-12-14 13:47:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2022-12-14 13:47:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:47:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:47:53,488 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:47:53,490 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:47:53,762 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L750: SUMMARY for call __CS_cs(); srcloc: null [2022-12-14 13:47:53,763 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L750-1: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2022-12-14 13:47:53,763 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L750-1: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 13:47:53,763 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##31: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 13:47:53,763 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2022-12-14 13:47:53,763 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 13:47:53,763 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2022-12-14 13:47:55,994 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:47:56,069 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:47:56,069 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 13:47:56,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:47:56 BoogieIcfgContainer [2022-12-14 13:47:56,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:47:56,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:47:56,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:47:56,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:47:56,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:47:52" (1/3) ... [2022-12-14 13:47:56,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392e0d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:47:56, skipping insertion in model container [2022-12-14 13:47:56,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:47:53" (2/3) ... [2022-12-14 13:47:56,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392e0d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:47:56, skipping insertion in model container [2022-12-14 13:47:56,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:47:56" (3/3) ... [2022-12-14 13:47:56,077 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_stateful-2.i [2022-12-14 13:47:56,090 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:47:56,090 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 13:47:56,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:47:56,132 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;@68597b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:47:56,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 13:47:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 85 states have (on average 1.4) internal successors, (119), 86 states have internal predecessors, (119), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-12-14 13:47:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 13:47:56,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:47:56,146 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:47:56,146 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:47:56,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:47:56,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1514583353, now seen corresponding path program 1 times [2022-12-14 13:47:56,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:47:56,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401780580] [2022-12-14 13:47:56,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:47:56,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:47:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:47:56,722 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-14 13:47:56,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:47:56,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401780580] [2022-12-14 13:47:56,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401780580] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:47:56,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:47:56,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:47:56,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483773682] [2022-12-14 13:47:56,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:47:56,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:47:56,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:47:56,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:47:56,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:47:56,764 INFO L87 Difference]: Start difference. First operand has 149 states, 85 states have (on average 1.4) internal successors, (119), 86 states have internal predecessors, (119), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 13:47:58,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:47:58,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:47:58,939 INFO L93 Difference]: Finished difference Result 297 states and 453 transitions. [2022-12-14 13:47:58,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:47:58,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 50 [2022-12-14 13:47:58,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:47:58,947 INFO L225 Difference]: With dead ends: 297 [2022-12-14 13:47:58,947 INFO L226 Difference]: Without dead ends: 149 [2022-12-14 13:47:58,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:47:58,952 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 2 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:47:58,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 408 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 13:47:58,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-12-14 13:47:58,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2022-12-14 13:47:58,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-12-14 13:47:58,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 225 transitions. [2022-12-14 13:47:58,991 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 225 transitions. Word has length 50 [2022-12-14 13:47:58,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:47:58,991 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 225 transitions. [2022-12-14 13:47:58,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 13:47:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 225 transitions. [2022-12-14 13:47:58,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 13:47:58,994 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:47:58,994 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:47:58,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:47:58,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:47:58,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:47:58,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1710002423, now seen corresponding path program 1 times [2022-12-14 13:47:58,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:47:58,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546851374] [2022-12-14 13:47:58,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:47:58,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:47:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:47:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-14 13:47:59,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:47:59,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546851374] [2022-12-14 13:47:59,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546851374] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:47:59,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:47:59,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:47:59,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029711147] [2022-12-14 13:47:59,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:47:59,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:47:59,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:47:59,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:47:59,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:47:59,330 INFO L87 Difference]: Start difference. First operand 148 states and 225 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 13:48:01,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:48:01,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:48:01,442 INFO L93 Difference]: Finished difference Result 295 states and 450 transitions. [2022-12-14 13:48:01,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:48:01,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 52 [2022-12-14 13:48:01,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:48:01,445 INFO L225 Difference]: With dead ends: 295 [2022-12-14 13:48:01,445 INFO L226 Difference]: Without dead ends: 149 [2022-12-14 13:48:01,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:48:01,448 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 0 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:48:01,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 407 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 13:48:01,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-12-14 13:48:01,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2022-12-14 13:48:01,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-12-14 13:48:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 226 transitions. [2022-12-14 13:48:01,465 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 226 transitions. Word has length 52 [2022-12-14 13:48:01,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:48:01,466 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 226 transitions. [2022-12-14 13:48:01,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 13:48:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2022-12-14 13:48:01,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 13:48:01,469 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:48:01,469 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:48:01,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:48:01,470 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:48:01,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:48:01,470 INFO L85 PathProgramCache]: Analyzing trace with hash 2088891589, now seen corresponding path program 1 times [2022-12-14 13:48:01,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:48:01,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652232297] [2022-12-14 13:48:01,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:48:01,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:48:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:48:01,892 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-14 13:48:01,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:48:01,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652232297] [2022-12-14 13:48:01,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652232297] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:48:01,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23461548] [2022-12-14 13:48:01,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:48:01,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:48:01,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:48:01,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:48:01,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d511f-83c7-4831-8c6d-a113c507af65/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 13:48:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:48:02,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1755 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 13:48:02,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:48:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-14 13:48:02,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:48:02,459 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-14 13:48:02,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23461548] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:48:02,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1114856213] [2022-12-14 13:48:02,474 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2022-12-14 13:48:02,475 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:48:02,478 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:48:02,483 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:48:02,484 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:48:02,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 13:48:02,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 13:48:02,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-12-14 13:48:02,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-12-14 13:48:02,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-12-14 13:48:02,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-12-14 13:48:02,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:02,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:02,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:02,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:02,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,468 INFO L321 Elim1Store]: treesize reduction 1712, result has 14.4 percent of original size [2022-12-14 13:48:04,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 67 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 88 case distinctions, treesize of input 167 treesize of output 413 [2022-12-14 13:48:04,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 129 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 111 [2022-12-14 13:48:04,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:04,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 22 select indices, 22 select index equivalence classes, 112 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 340 treesize of output 287 [2022-12-14 13:48:05,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 69 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 100 [2022-12-14 13:48:05,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 57 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 89 [2022-12-14 13:48:05,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 30 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 71 [2022-12-14 13:48:05,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 24 select indices, 24 select index equivalence classes, 112 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 296 [2022-12-14 13:48:05,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 44 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 93 [2022-12-14 13:48:05,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:05,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 44 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 106 [2022-12-14 13:48:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:07,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:07,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:07,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:07,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:07,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:07,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:07,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:07,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:07,961 INFO L321 Elim1Store]: treesize reduction 1786, result has 10.0 percent of original size [2022-12-14 13:48:07,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 24 select indices, 24 select index equivalence classes, 79 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 68 case distinctions, treesize of input 2030 treesize of output 1894 [2022-12-14 13:48:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:08,294 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-12-14 13:48:08,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 20 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 1998 treesize of output 1958 [2022-12-14 13:48:08,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:08,550 INFO L321 Elim1Store]: treesize reduction 208, result has 17.1 percent of original size [2022-12-14 13:48:08,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 2003 treesize of output 1992 [2022-12-14 13:48:08,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:08,779 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-12-14 13:48:08,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 20 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 1990 treesize of output 1950 [2022-12-14 13:48:08,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:08,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:08,951 INFO L321 Elim1Store]: treesize reduction 156, result has 21.6 percent of original size [2022-12-14 13:48:08,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 1982 treesize of output 1971 [2022-12-14 13:48:14,420 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-12-14 13:48:14,420 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 1 case distinctions, treesize of input 47 treesize of output 46 [2022-12-14 13:48:14,461 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-12-14 13:48:14,461 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 1 case distinctions, treesize of input 60 treesize of output 59 [2022-12-14 13:48:14,496 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-12-14 13:48:14,496 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 1 case distinctions, treesize of input 59 treesize of output 30 [2022-12-14 13:48:15,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,321 INFO L217 Elim1Store]: Index analysis took 322 ms [2022-12-14 13:48:15,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:15,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:15,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:48:18,218 INFO L321 Elim1Store]: treesize reduction 2310, result has 9.3 percent of original size [2022-12-14 13:48:18,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 22 select indices, 22 select index equivalence classes, 73 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 20 case distinctions, treesize of input 1186 treesize of output 1204 [2022-12-14 13:48:18,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,567 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 13:48:18,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 20 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 994 treesize of output 993 [2022-12-14 13:48:18,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,796 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 13:48:18,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 20 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 994 treesize of output 993 [2022-12-14 13:48:18,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:18,997 INFO L321 Elim1Store]: treesize reduction 82, result has 20.4 percent of original size [2022-12-14 13:48:18,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 998 treesize of output 997 [2022-12-14 13:48:19,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,162 INFO L321 Elim1Store]: treesize reduction 82, result has 20.4 percent of original size [2022-12-14 13:48:19,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 1005 treesize of output 1004 [2022-12-14 13:48:19,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,333 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 13:48:19,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 20 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 988 treesize of output 987 [2022-12-14 13:48:19,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,466 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 13:48:19,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 20 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 988 treesize of output 987 [2022-12-14 13:48:19,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,608 INFO L321 Elim1Store]: treesize reduction 82, result has 20.4 percent of original size [2022-12-14 13:48:19,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 992 treesize of output 991 [2022-12-14 13:48:19,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:48:19,741 INFO L321 Elim1Store]: treesize reduction 82, result has 20.4 percent of original size [2022-12-14 13:48:19,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 999 treesize of output 998 [2022-12-14 13:49:46,304 WARN L233 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 549 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 13:53:17,541 WARN L233 SmtUtils]: Spent 19.91s on a formula simplification that was a NOOP. DAG size: 643 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 14:00:16,945 WARN L233 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 632 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)