./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 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_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/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_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_sync.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/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_105e82af-25b0-477c-a5a5-e27d10bee2ce/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 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-2329fc7 [2022-12-14 07:34:35,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:34:35,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:34:35,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:34:35,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:34:35,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:34:35,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:34:35,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:34:35,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:34:35,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:34:35,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:34:35,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:34:35,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:34:35,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:34:35,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:34:35,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:34:35,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:34:35,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:34:35,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:34:35,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:34:35,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:34:35,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:34:35,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:34:35,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:34:35,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:34:35,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:34:35,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:34:35,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:34:35,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:34:35,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:34:35,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:34:35,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:34:35,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:34:35,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:34:35,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:34:35,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:34:35,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:34:35,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:34:35,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:34:35,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:34:35,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:34:35,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 07:34:35,449 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:34:35,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:34:35,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:34:35,450 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:34:35,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:34:35,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:34:35,451 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:34:35,451 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:34:35,451 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:34:35,451 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:34:35,452 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:34:35,452 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:34:35,452 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:34:35,452 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:34:35,452 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:34:35,453 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:34:35,453 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:34:35,453 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:34:35,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:34:35,454 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:34:35,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:34:35,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:34:35,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:34:35,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:34:35,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:34:35,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:34:35,455 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:34:35,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:34:35,456 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:34:35,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:34:35,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:34:35,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:34:35,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:34:35,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:34:35,457 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:34:35,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:34:35,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:34:35,457 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:34:35,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:34:35,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:34:35,458 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:34:35,458 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_105e82af-25b0-477c-a5a5-e27d10bee2ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 459cf049271151c452003a0973bcdcc76c918d5759d842702be03de8528f67ef [2022-12-14 07:34:35,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:34:35,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:34:35,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:34:35,651 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:34:35,651 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:34:35,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/seq-pthread/cs_sync.i [2022-12-14 07:34:38,195 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:34:38,425 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:34:38,425 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/sv-benchmarks/c/seq-pthread/cs_sync.i [2022-12-14 07:34:38,438 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh/data/df0b1fb4f/201dce5c3bcc4063998b4f2412da2c91/FLAG11ecfe438 [2022-12-14 07:34:38,450 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh/data/df0b1fb4f/201dce5c3bcc4063998b4f2412da2c91 [2022-12-14 07:34:38,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:34:38,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:34:38,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:34:38,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:34:38,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:34:38,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:34:38" (1/1) ... [2022-12-14 07:34:38,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66cc2fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38, skipping insertion in model container [2022-12-14 07:34:38,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:34:38" (1/1) ... [2022-12-14 07:34:38,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:34:38,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:34:38,801 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_105e82af-25b0-477c-a5a5-e27d10bee2ce/sv-benchmarks/c/seq-pthread/cs_sync.i[34698,34711] [2022-12-14 07:34:38,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:34:38,866 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:34:38,889 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_105e82af-25b0-477c-a5a5-e27d10bee2ce/sv-benchmarks/c/seq-pthread/cs_sync.i[34698,34711] [2022-12-14 07:34:38,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:34:38,949 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:34:38,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38 WrapperNode [2022-12-14 07:34:38,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:34:38,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:34:38,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:34:38,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:34:38,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38" (1/1) ... [2022-12-14 07:34:38,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38" (1/1) ... [2022-12-14 07:34:39,016 INFO L138 Inliner]: procedures = 245, calls = 244, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 544 [2022-12-14 07:34:39,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:34:39,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:34:39,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:34:39,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:34:39,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38" (1/1) ... [2022-12-14 07:34:39,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38" (1/1) ... [2022-12-14 07:34:39,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38" (1/1) ... [2022-12-14 07:34:39,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38" (1/1) ... [2022-12-14 07:34:39,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38" (1/1) ... [2022-12-14 07:34:39,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38" (1/1) ... [2022-12-14 07:34:39,064 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38" (1/1) ... [2022-12-14 07:34:39,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38" (1/1) ... [2022-12-14 07:34:39,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:34:39,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:34:39,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:34:39,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:34:39,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38" (1/1) ... [2022-12-14 07:34:39,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:34:39,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:34:39,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:34:39,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:34:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 07:34:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 07:34:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:34:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2022-12-14 07:34:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2022-12-14 07:34:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2022-12-14 07:34:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2022-12-14 07:34:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:34:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:34:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 07:34:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2022-12-14 07:34:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2022-12-14 07:34:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:34:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2022-12-14 07:34:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2022-12-14 07:34:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:34:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:34:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:34:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-12-14 07:34:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-12-14 07:34:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2022-12-14 07:34:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2022-12-14 07:34:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-12-14 07:34:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-12-14 07:34:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 07:34:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 07:34:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-12-14 07:34:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-12-14 07:34:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:34:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:34:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:34:39,308 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:34:39,310 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:34:39,620 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 07:34:39,620 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; [2022-12-14 07:34:39,621 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 07:34:39,621 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; [2022-12-14 07:34:39,621 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L991: SUMMARY for call __CS_cs(); srcloc: null [2022-12-14 07:34:39,621 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; [2022-12-14 07:34:39,621 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L991-1: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 07:34:41,874 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:34:42,007 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:34:42,007 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 07:34:42,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:34:42 BoogieIcfgContainer [2022-12-14 07:34:42,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:34:42,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:34:42,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:34:42,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:34:42,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:34:38" (1/3) ... [2022-12-14 07:34:42,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7843bfa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:34:42, skipping insertion in model container [2022-12-14 07:34:42,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:34:38" (2/3) ... [2022-12-14 07:34:42,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7843bfa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:34:42, skipping insertion in model container [2022-12-14 07:34:42,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:34:42" (3/3) ... [2022-12-14 07:34:42,018 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_sync.i [2022-12-14 07:34:42,036 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:34:42,036 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:34:42,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:34:42,086 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;@f5bed77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:34:42,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:34:42,089 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) [2022-12-14 07:34:42,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 07:34:42,100 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:34:42,101 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 07:34:42,101 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:34:42,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:34:42,105 INFO L85 PathProgramCache]: Analyzing trace with hash 643413204, now seen corresponding path program 1 times [2022-12-14 07:34:42,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:34:42,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94503279] [2022-12-14 07:34:42,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:34:42,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:34:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:34:42,653 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 07:34:42,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:34:42,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94503279] [2022-12-14 07:34:42,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94503279] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:34:42,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:34:42,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:34:42,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450112908] [2022-12-14 07:34:42,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:34:42,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:34:42,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:34:42,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:34:42,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:34:42,689 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) [2022-12-14 07:34:44,742 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 07:34:44,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:34:44,895 INFO L93 Difference]: Finished difference Result 319 states and 486 transitions. [2022-12-14 07:34:44,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:34:44,897 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 07:34:44,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:34:44,904 INFO L225 Difference]: With dead ends: 319 [2022-12-14 07:34:44,905 INFO L226 Difference]: Without dead ends: 160 [2022-12-14 07:34:44,908 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 07:34:44,912 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 2 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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 [2022-12-14 07:34:44,912 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] [2022-12-14 07:34:44,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-12-14 07:34:44,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2022-12-14 07:34:44,957 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) [2022-12-14 07:34:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 238 transitions. [2022-12-14 07:34:44,960 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 238 transitions. Word has length 50 [2022-12-14 07:34:44,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:34:44,961 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 238 transitions. [2022-12-14 07:34:44,961 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 07:34:44,961 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 238 transitions. [2022-12-14 07:34:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 07:34:44,963 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:34:44,963 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 07:34:44,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:34:44,963 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:34:44,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:34:44,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1885798493, now seen corresponding path program 1 times [2022-12-14 07:34:44,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:34:44,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668127841] [2022-12-14 07:34:44,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:34:44,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:34:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:34:45,407 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 07:34:45,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:34:45,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668127841] [2022-12-14 07:34:45,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668127841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:34:45,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:34:45,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:34:45,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426714133] [2022-12-14 07:34:45,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:34:45,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:34:45,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:34:45,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:34:45,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:34:45,411 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) [2022-12-14 07:34:47,443 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 07:34:47,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:34:47,552 INFO L93 Difference]: Finished difference Result 317 states and 476 transitions. [2022-12-14 07:34:47,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:34:47,553 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 07:34:47,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:34:47,555 INFO L225 Difference]: With dead ends: 317 [2022-12-14 07:34:47,556 INFO L226 Difference]: Without dead ends: 160 [2022-12-14 07:34:47,556 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 07:34:47,557 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, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:34:47,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 427 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 07:34:47,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-12-14 07:34:47,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-12-14 07:34:47,566 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) [2022-12-14 07:34:47,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 239 transitions. [2022-12-14 07:34:47,568 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 239 transitions. Word has length 52 [2022-12-14 07:34:47,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:34:47,568 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 239 transitions. [2022-12-14 07:34:47,568 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 07:34:47,568 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2022-12-14 07:34:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 07:34:47,569 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:34:47,570 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 07:34:47,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:34:47,570 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:34:47,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:34:47,570 INFO L85 PathProgramCache]: Analyzing trace with hash -2015971326, now seen corresponding path program 1 times [2022-12-14 07:34:47,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:34:47,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841204812] [2022-12-14 07:34:47,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:34:47,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:34:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:34:47,939 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 07:34:47,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:34:47,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841204812] [2022-12-14 07:34:47,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841204812] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:34:47,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864096125] [2022-12-14 07:34:47,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:34:47,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:34:47,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:34:47,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:34:47,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105e82af-25b0-477c-a5a5-e27d10bee2ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:34:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:34:48,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:34:48,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:34:48,454 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 07:34:48,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:34:48,495 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 07:34:48,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864096125] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:34:48,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [38027243] [2022-12-14 07:34:48,509 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2022-12-14 07:34:48,509 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:34:48,512 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:34:48,516 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:34:48,516 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:34:48,650 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 07:34:48,671 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 07:34:48,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:48,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:48,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:48,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:48,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:48,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:49,770 INFO L321 Elim1Store]: treesize reduction 1202, result has 16.9 percent of original size [2022-12-14 07:34:49,771 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 [2022-12-14 07:34:49,870 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 07:34:49,896 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 07:34:50,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:50,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:50,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:50,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:50,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:50,138 INFO L217 Elim1Store]: Index analysis took 157 ms [2022-12-14 07:34:51,378 INFO L321 Elim1Store]: treesize reduction 1712, result has 14.4 percent of original size [2022-12-14 07:34:51,379 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 07:34:51,523 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 07:34:51,558 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 07:34:51,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:51,951 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 [2022-12-14 07:34:52,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,089 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 [2022-12-14 07:34:52,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,138 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 [2022-12-14 07:34:52,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,252 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 [2022-12-14 07:34:52,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,291 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 [2022-12-14 07:34:52,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,533 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 07:34:52,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,585 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 07:34:52,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:52,682 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 [2022-12-14 07:34:53,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:53,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:34:54,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:34:54,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:34:54,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:34:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:34:54,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:34:54,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:34:54,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:34:54,697 INFO L321 Elim1Store]: treesize reduction 1587, result has 10.5 percent of original size [2022-12-14 07:34:54,698 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 [2022-12-14 07:34:54,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:54,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:34:55,002 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-12-14 07:34:55,003 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 [2022-12-14 07:34:55,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:34:55,204 INFO L321 Elim1Store]: treesize reduction 208, result has 17.1 percent of original size [2022-12-14 07:34:55,204 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 [2022-12-14 07:34:55,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:34:55,427 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-12-14 07:34:55,428 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 [2022-12-14 07:34:55,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:34:55,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:34:55,600 INFO L321 Elim1Store]: treesize reduction 156, result has 21.6 percent of original size [2022-12-14 07:34:55,601 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 [2022-12-14 07:35:01,508 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-12-14 07:35:01,508 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 07:35:01,546 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-12-14 07:35:01,547 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 07:35:01,588 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-12-14 07:35:01,588 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 07:35:02,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,335 INFO L217 Elim1Store]: Index analysis took 279 ms [2022-12-14 07:35:02,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:02,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:35:02,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:35:05,532 INFO L321 Elim1Store]: treesize reduction 2425, result has 9.5 percent of original size [2022-12-14 07:35:05,532 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 [2022-12-14 07:35:05,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:05,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:05,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:05,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:05,876 INFO L321 Elim1Store]: treesize reduction 82, result has 20.4 percent of original size [2022-12-14 07:35:05,876 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 07:35:05,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:05,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:05,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:05,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,079 INFO L321 Elim1Store]: treesize reduction 82, result has 20.4 percent of original size [2022-12-14 07:35:06,080 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 07:35:06,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,271 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 07:35:06,272 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 [2022-12-14 07:35:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,433 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 07:35:06,434 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 [2022-12-14 07:35:06,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,579 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 07:35:06,580 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 [2022-12-14 07:35:06,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,714 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 07:35:06,715 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 [2022-12-14 07:35:06,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,868 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 07:35:06,869 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 [2022-12-14 07:35:06,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:06,975 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 07:35:06,976 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 [2022-12-14 07:36:05,895 WARN L233 SmtUtils]: Spent 6.65s 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) [2022-12-14 07:39:17,195 WARN L233 SmtUtils]: Spent 12.64s 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) [2022-12-14 07:42:39,785 WARN L233 SmtUtils]: Spent 6.20s 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) [2022-12-14 07:47:36,085 WARN L233 SmtUtils]: Spent 9.89s 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)