./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_sync.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_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/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_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_sync.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/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_6b69e509-1366-46eb-903a-ed98a0b05e07/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 459cf049271151c452003a0973bcdcc76c918d5759d842702be03de8528f67ef --- 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 [2022-11-25 23:33:35,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:33:35,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:33:35,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:33:35,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:33:35,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:33:35,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:33:35,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:33:35,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:33:35,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:33:35,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:33:35,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:33:35,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:33:35,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:33:35,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:33:35,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:33:35,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:33:35,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:33:35,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:33:35,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:33:35,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:33:35,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:33:35,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:33:35,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:33:35,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:33:35,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:33:35,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:33:35,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:33:35,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:33:35,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:33:35,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:33:35,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:33:35,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:33:35,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:33:35,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:33:35,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:33:35,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:33:35,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:33:35,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:33:35,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:33:35,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:33:35,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:33:35,769 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:33:35,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:33:35,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:33:35,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:33:35,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:33:35,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:33:35,772 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:33:35,772 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:33:35,772 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:33:35,773 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:33:35,774 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:33:35,774 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:33:35,774 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:33:35,774 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:33:35,775 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:33:35,775 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:33:35,775 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:33:35,775 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:33:35,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:33:35,776 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:33:35,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:33:35,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:33:35,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:33:35,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:33:35,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:33:35,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:33:35,779 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:33:35,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:33:35,779 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:33:35,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:33:35,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:33:35,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:33:35,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:33:35,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:33:35,781 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:33:35,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:33:35,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:33:35,782 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:33:35,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:33:35,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:33:35,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:33:35,783 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_6b69e509-1366-46eb-903a-ed98a0b05e07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 459cf049271151c452003a0973bcdcc76c918d5759d842702be03de8528f67ef [2022-11-25 23:33:36,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:33:36,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:33:36,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:33:36,133 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:33:36,134 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:33:36,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/seq-pthread/cs_sync.i [2022-11-25 23:33:39,215 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:33:39,469 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:33:39,470 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/sv-benchmarks/c/seq-pthread/cs_sync.i [2022-11-25 23:33:39,503 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur/data/706c6ec39/5d8b028154a64e9eaaf7e606e7df3c05/FLAG87efd8954 [2022-11-25 23:33:39,521 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur/data/706c6ec39/5d8b028154a64e9eaaf7e606e7df3c05 [2022-11-25 23:33:39,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:33:39,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:33:39,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:33:39,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:33:39,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:33:39,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:33:39" (1/1) ... [2022-11-25 23:33:39,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed49c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:39, skipping insertion in model container [2022-11-25 23:33:39,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:33:39" (1/1) ... [2022-11-25 23:33:39,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:33:39,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:33:40,084 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_6b69e509-1366-46eb-903a-ed98a0b05e07/sv-benchmarks/c/seq-pthread/cs_sync.i[34698,34711] [2022-11-25 23:33:40,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:33:40,256 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:33:40,290 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_6b69e509-1366-46eb-903a-ed98a0b05e07/sv-benchmarks/c/seq-pthread/cs_sync.i[34698,34711] [2022-11-25 23:33:40,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:33:40,404 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:33:40,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:40 WrapperNode [2022-11-25 23:33:40,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:33:40,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:33:40,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:33:40,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:33:40,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:40" (1/1) ... [2022-11-25 23:33:40,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:40" (1/1) ... [2022-11-25 23:33:40,525 INFO L138 Inliner]: procedures = 245, calls = 244, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 544 [2022-11-25 23:33:40,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:33:40,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:33:40,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:33:40,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:33:40,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:40" (1/1) ... [2022-11-25 23:33:40,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:40" (1/1) ... [2022-11-25 23:33:40,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:40" (1/1) ... [2022-11-25 23:33:40,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:40" (1/1) ... [2022-11-25 23:33:40,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:40" (1/1) ... [2022-11-25 23:33:40,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:40" (1/1) ... [2022-11-25 23:33:40,579 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:40" (1/1) ... [2022-11-25 23:33:40,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:40" (1/1) ... [2022-11-25 23:33:40,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:33:40,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:33:40,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:33:40,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:33:40,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:40" (1/1) ... [2022-11-25 23:33:40,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:33:40,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:33:40,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:33:40,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:33:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 23:33:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 23:33:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:33:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2022-11-25 23:33:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2022-11-25 23:33:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2022-11-25 23:33:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2022-11-25 23:33:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:33:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:33:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:33:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2022-11-25 23:33:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2022-11-25 23:33:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:33:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2022-11-25 23:33:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2022-11-25 23:33:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:33:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:33:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:33:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-25 23:33:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-25 23:33:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2022-11-25 23:33:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2022-11-25 23:33:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-25 23:33:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-25 23:33:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-25 23:33:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-25 23:33:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-25 23:33:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-25 23:33:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:33:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:33:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:33:40,944 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:33:40,946 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:33:41,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !(0 != ~__CS_ret~0 % 256); [2022-11-25 23:33:41,439 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: 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; [2022-11-25 23:33:41,439 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !(0 != ~__CS_ret~0 % 256); [2022-11-25 23:33:41,439 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: 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; [2022-11-25 23:33:41,440 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L991: SUMMARY for call __CS_cs(); srcloc: null [2022-11-25 23:33:41,440 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L991-1: 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; [2022-11-25 23:33:41,441 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L991-1: assume !(0 != ~__CS_ret~0 % 256); [2022-11-25 23:33:43,976 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:33:44,106 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:33:44,106 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-25 23:33:44,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:33:44 BoogieIcfgContainer [2022-11-25 23:33:44,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:33:44,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:33:44,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:33:44,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:33:44,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:33:39" (1/3) ... [2022-11-25 23:33:44,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8864d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:33:44, skipping insertion in model container [2022-11-25 23:33:44,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:40" (2/3) ... [2022-11-25 23:33:44,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8864d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:33:44, skipping insertion in model container [2022-11-25 23:33:44,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:33:44" (3/3) ... [2022-11-25 23:33:44,118 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_sync.i [2022-11-25 23:33:44,136 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:33:44,137 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:33:44,186 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:33:44,192 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;@42ec0e48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:33:44,193 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:33:44,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 93 states have (on average 1.4193548387096775) internal successors, (132), 94 states have internal predecessors, (132), 55 states have call successors, (55), 10 states have call predecessors, (55), 10 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2022-11-25 23:33:44,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-25 23:33:44,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:33:44,215 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] [2022-11-25 23:33:44,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:33:44,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:33:44,221 INFO L85 PathProgramCache]: Analyzing trace with hash 643413204, now seen corresponding path program 1 times [2022-11-25 23:33:44,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:33:44,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739170657] [2022-11-25 23:33:44,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:33:44,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:33:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:33:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-25 23:33:45,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:33:45,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739170657] [2022-11-25 23:33:45,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739170657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:33:45,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:33:45,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:33:45,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360243689] [2022-11-25 23:33:45,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:33:45,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:33:45,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:33:45,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:33:45,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:33:45,313 INFO L87 Difference]: Start difference. First operand has 160 states, 93 states have (on average 1.4193548387096775) internal successors, (132), 94 states have internal predecessors, (132), 55 states have call successors, (55), 10 states have call predecessors, (55), 10 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) 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) [2022-11-25 23:33:47,382 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 [] [2022-11-25 23:33:47,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:33:47,592 INFO L93 Difference]: Finished difference Result 319 states and 486 transitions. [2022-11-25 23:33:47,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:33:47,594 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 [2022-11-25 23:33:47,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:33:47,604 INFO L225 Difference]: With dead ends: 319 [2022-11-25 23:33:47,605 INFO L226 Difference]: Without dead ends: 160 [2022-11-25 23:33:47,609 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 [2022-11-25 23:33:47,613 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 2 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:33:47,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 428 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 23:33:47,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-25 23:33:47,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2022-11-25 23:33:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 55 states have call successors, (55), 10 states have call predecessors, (55), 10 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2022-11-25 23:33:47,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 238 transitions. [2022-11-25 23:33:47,682 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 238 transitions. Word has length 50 [2022-11-25 23:33:47,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:33:47,683 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 238 transitions. [2022-11-25 23:33:47,684 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) [2022-11-25 23:33:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 238 transitions. [2022-11-25 23:33:47,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-25 23:33:47,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:33:47,688 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] [2022-11-25 23:33:47,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:33:47,689 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:33:47,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:33:47,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1885798493, now seen corresponding path program 1 times [2022-11-25 23:33:47,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:33:47,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561475992] [2022-11-25 23:33:47,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:33:47,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:33:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:33:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-25 23:33:48,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:33:48,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561475992] [2022-11-25 23:33:48,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561475992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:33:48,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:33:48,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:33:48,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986043415] [2022-11-25 23:33:48,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:33:48,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:33:48,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:33:48,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:33:48,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:33:48,266 INFO L87 Difference]: Start difference. First operand 159 states and 238 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) [2022-11-25 23:33:50,309 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 [] [2022-11-25 23:33:50,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:33:50,458 INFO L93 Difference]: Finished difference Result 317 states and 476 transitions. [2022-11-25 23:33:50,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:33:50,459 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 [2022-11-25 23:33:50,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:33:50,461 INFO L225 Difference]: With dead ends: 317 [2022-11-25 23:33:50,461 INFO L226 Difference]: Without dead ends: 160 [2022-11-25 23:33:50,463 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 [2022-11-25 23:33:50,464 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 0 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:33:50,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 427 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 23:33:50,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-25 23:33:50,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-11-25 23:33:50,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 94 states have (on average 1.372340425531915) internal successors, (129), 94 states have internal predecessors, (129), 55 states have call successors, (55), 10 states have call predecessors, (55), 10 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2022-11-25 23:33:50,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 239 transitions. [2022-11-25 23:33:50,490 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 239 transitions. Word has length 52 [2022-11-25 23:33:50,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:33:50,491 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 239 transitions. [2022-11-25 23:33:50,492 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) [2022-11-25 23:33:50,492 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2022-11-25 23:33:50,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-25 23:33:50,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:33:50,497 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] [2022-11-25 23:33:50,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:33:50,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:33:50,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:33:50,503 INFO L85 PathProgramCache]: Analyzing trace with hash -2015971326, now seen corresponding path program 1 times [2022-11-25 23:33:50,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:33:50,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767092783] [2022-11-25 23:33:50,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:33:50,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:33:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:33:51,020 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-25 23:33:51,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:33:51,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767092783] [2022-11-25 23:33:51,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767092783] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:33:51,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263232201] [2022-11-25 23:33:51,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:33:51,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:33:51,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:33:51,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:33:51,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b69e509-1366-46eb-903a-ed98a0b05e07/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:33:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:33:51,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:33:51,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:33:51,913 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-25 23:33:51,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:33:51,973 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-25 23:33:51,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263232201] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:33:51,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1169896307] [2022-11-25 23:33:52,006 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2022-11-25 23:33:52,009 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:33:52,013 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:33:52,026 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:33:52,031 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:33:52,373 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 [2022-11-25 23:33:52,400 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 [2022-11-25 23:33:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:52,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:52,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:52,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:52,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:54,089 INFO L321 Elim1Store]: treesize reduction 1202, result has 16.9 percent of original size [2022-11-25 23:33:54,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 60 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 14 case distinctions, treesize of input 72 treesize of output 285 [2022-11-25 23:33:54,267 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 [2022-11-25 23:33:54,315 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 [2022-11-25 23:33:54,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:54,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:54,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:54,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:54,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:54,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:54,740 INFO L217 Elim1Store]: Index analysis took 296 ms [2022-11-25 23:33:56,893 INFO L321 Elim1Store]: treesize reduction 1712, result has 14.4 percent of original size [2022-11-25 23:33:56,894 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 [2022-11-25 23:33:57,061 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 [2022-11-25 23:33:57,106 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 [2022-11-25 23:33:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,703 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 350 treesize of output 285 [2022-11-25 23:33:57,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,915 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 96 treesize of output 82 [2022-11-25 23:33:57,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:57,988 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 80 [2022-11-25 23:33:58,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,182 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 140 treesize of output 91 [2022-11-25 23:33:58,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,238 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 72 treesize of output 71 [2022-11-25 23:33:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,659 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 [2022-11-25 23:33:58,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,758 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 [2022-11-25 23:33:58,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:58,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 23 select indices, 23 select index equivalence classes, 99 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 277 [2022-11-25 23:34:00,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,682 INFO L217 Elim1Store]: Index analysis took 141 ms [2022-11-25 23:34:00,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:00,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:00,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:00,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:00,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:00,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:00,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:00,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:00,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:01,834 INFO L321 Elim1Store]: treesize reduction 1587, result has 10.5 percent of original size [2022-11-25 23:34:01,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 23 select indices, 23 select index equivalence classes, 79 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 44 case distinctions, treesize of input 1982 treesize of output 1867 [2022-11-25 23:34:02,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:02,330 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-11-25 23:34:02,331 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 1950 treesize of output 1910 [2022-11-25 23:34:02,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:02,650 INFO L321 Elim1Store]: treesize reduction 208, result has 17.1 percent of original size [2022-11-25 23:34:02,651 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 1955 treesize of output 1944 [2022-11-25 23:34:02,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:02,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:03,086 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-11-25 23:34:03,088 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 1942 treesize of output 1902 [2022-11-25 23:34:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:03,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:03,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:03,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:03,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:03,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:03,476 INFO L321 Elim1Store]: treesize reduction 156, result has 21.6 percent of original size [2022-11-25 23:34:03,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 1934 treesize of output 1923 [2022-11-25 23:34:10,329 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-11-25 23:34:10,329 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 [2022-11-25 23:34:10,380 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-11-25 23:34:10,380 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 [2022-11-25 23:34:10,435 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-11-25 23:34:10,435 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 [2022-11-25 23:34:11,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,366 INFO L217 Elim1Store]: Index analysis took 304 ms [2022-11-25 23:34:11,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:11,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:12,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:12,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:15,420 INFO L321 Elim1Store]: treesize reduction 2425, result has 9.5 percent of original size [2022-11-25 23:34:15,421 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 1196 treesize of output 1220 [2022-11-25 23:34:15,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:15,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:15,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:15,894 INFO L321 Elim1Store]: treesize reduction 82, result has 20.4 percent of original size [2022-11-25 23:34:15,895 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 [2022-11-25 23:34:16,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,226 INFO L321 Elim1Store]: treesize reduction 82, result has 20.4 percent of original size [2022-11-25 23:34:16,227 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 [2022-11-25 23:34:16,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,456 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-25 23:34:16,457 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 995 treesize of output 994 [2022-11-25 23:34:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,677 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-25 23:34:16,678 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 995 treesize of output 994 [2022-11-25 23:34:16,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,869 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-25 23:34:16,870 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 995 treesize of output 994 [2022-11-25 23:34:16,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,064 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-25 23:34:17,065 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 995 treesize of output 994 [2022-11-25 23:34:17,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,255 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-25 23:34:17,256 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 995 treesize of output 994 [2022-11-25 23:34:17,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:17,415 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-25 23:34:17,415 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 995 treesize of output 994 [2022-11-25 23:35:21,637 WARN L233 SmtUtils]: Spent 7.03s on a formula simplification that was a NOOP. DAG size: 538 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 23:38:47,036 WARN L233 SmtUtils]: Spent 13.56s on a formula simplification. DAG size of input: 621 DAG size of output: 621 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 23:42:23,862 WARN L233 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 624 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 23:47:33,101 WARN L233 SmtUtils]: Spent 9.71s on a formula simplification that was a NOOP. DAG size: 692 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)