./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7 --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 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:54:34,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:54:34,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:54:34,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:54:34,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:54:34,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:54:34,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:54:34,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:54:34,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:54:34,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:54:34,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:54:34,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:54:34,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:54:34,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:54:34,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:54:34,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:54:34,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:54:34,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:54:34,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:54:34,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:54:34,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:54:34,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:54:34,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:54:34,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:54:34,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:54:34,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:54:34,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:54:34,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:54:34,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:54:34,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:54:34,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:54:34,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:54:34,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:54:34,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:54:34,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:54:34,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:54:34,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:54:34,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:54:34,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:54:34,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:54:34,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:54:34,461 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 17:54:34,511 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:54:34,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:54:34,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:54:34,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:54:34,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:54:34,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:54:34,522 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:54:34,522 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:54:34,523 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:54:34,523 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:54:34,524 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:54:34,525 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:54:34,525 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:54:34,525 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:54:34,526 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:54:34,526 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:54:34,526 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:54:34,527 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:54:34,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:54:34,528 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 17:54:34,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:54:34,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 17:54:34,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:54:34,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:54:34,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:54:34,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:54:34,532 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 17:54:34,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:54:34,533 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:54:34,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:54:34,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:54:34,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:54:34,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:54:34,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:54:34,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:54:34,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:54:34,536 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:54:34,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:54:34,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:54:34,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:54:34,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:54:34,538 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2021-11-25 17:54:34,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:54:34,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:54:34,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:54:34,923 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:54:34,924 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:54:34,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-11-25 17:54:35,009 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/data/5462b721b/41734dc5efa945b69485a9bdaee8f03e/FLAGff1166a24 [2021-11-25 17:54:35,675 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:54:35,681 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-11-25 17:54:35,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/data/5462b721b/41734dc5efa945b69485a9bdaee8f03e/FLAGff1166a24 [2021-11-25 17:54:35,934 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/data/5462b721b/41734dc5efa945b69485a9bdaee8f03e [2021-11-25 17:54:35,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:54:35,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:54:35,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:54:35,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:54:35,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:54:35,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:54:35" (1/1) ... [2021-11-25 17:54:35,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61053ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:35, skipping insertion in model container [2021-11-25 17:54:35,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:54:35" (1/1) ... [2021-11-25 17:54:35,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:54:36,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:54:36,425 WARN L230 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_b00015ac-37f9-489a-bd6b-92bf7c7101ef/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2021-11-25 17:54:36,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:54:36,569 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:54:36,600 WARN L230 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_b00015ac-37f9-489a-bd6b-92bf7c7101ef/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2021-11-25 17:54:36,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:54:36,741 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:54:36,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:36 WrapperNode [2021-11-25 17:54:36,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:54:36,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:54:36,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:54:36,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:54:36,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:36" (1/1) ... [2021-11-25 17:54:36,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:36" (1/1) ... [2021-11-25 17:54:36,831 INFO L137 Inliner]: procedures = 145, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 558 [2021-11-25 17:54:36,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:54:36,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:54:36,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:54:36,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:54:36,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:36" (1/1) ... [2021-11-25 17:54:36,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:36" (1/1) ... [2021-11-25 17:54:36,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:36" (1/1) ... [2021-11-25 17:54:36,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:36" (1/1) ... [2021-11-25 17:54:36,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:36" (1/1) ... [2021-11-25 17:54:36,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:36" (1/1) ... [2021-11-25 17:54:36,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:36" (1/1) ... [2021-11-25 17:54:36,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:54:36,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:54:36,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:54:36,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:54:36,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:36" (1/1) ... [2021-11-25 17:54:36,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:54:36,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:54:36,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:54:36,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:54:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:54:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:54:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 17:54:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 17:54:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:54:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:54:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 17:54:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-25 17:54:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-25 17:54:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 17:54:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-25 17:54:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-25 17:54:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-25 17:54:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-25 17:54:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:54:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-25 17:54:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-25 17:54:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:54:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-11-25 17:54:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-11-25 17:54:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:54:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:54:37,310 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:54:37,312 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:54:37,821 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256); [2021-11-25 17:54:37,821 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != ~__CS_ret~0 % 256;reader_#res#1.base, reader_#res#1.offset := 0, 0; [2021-11-25 17:54:40,301 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:54:40,454 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:54:40,454 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 17:54:40,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:54:40 BoogieIcfgContainer [2021-11-25 17:54:40,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:54:40,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:54:40,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:54:40,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:54:40,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:54:35" (1/3) ... [2021-11-25 17:54:40,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7726f1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:54:40, skipping insertion in model container [2021-11-25 17:54:40,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:36" (2/3) ... [2021-11-25 17:54:40,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7726f1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:54:40, skipping insertion in model container [2021-11-25 17:54:40,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:54:40" (3/3) ... [2021-11-25 17:54:40,470 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_read_write_lock-2.i [2021-11-25 17:54:40,476 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:54:40,477 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 17:54:40,543 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:54:40,551 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 17:54:40,551 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 17:54:40,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 84 states have (on average 1.369047619047619) internal successors, (115), 85 states have internal predecessors, (115), 53 states have call successors, (53), 6 states have call predecessors, (53), 6 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2021-11-25 17:54:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 17:54:40,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:40,618 INFO L514 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:54:40,619 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:54:40,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:40,626 INFO L85 PathProgramCache]: Analyzing trace with hash 822227597, now seen corresponding path program 1 times [2021-11-25 17:54:40,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:40,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6577711] [2021-11-25 17:54:40,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:40,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-25 17:54:42,024 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:42,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6577711] [2021-11-25 17:54:42,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6577711] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:42,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:42,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:54:42,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696074790] [2021-11-25 17:54:42,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:42,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:54:42,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:42,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:54:42,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:54:42,080 INFO L87 Difference]: Start difference. First operand has 145 states, 84 states have (on average 1.369047619047619) internal successors, (115), 85 states have internal predecessors, (115), 53 states have call successors, (53), 6 states have call predecessors, (53), 6 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-25 17:54:44,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:44,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:44,485 INFO L93 Difference]: Finished difference Result 289 states and 447 transitions. [2021-11-25 17:54:44,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:54:44,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 69 [2021-11-25 17:54:44,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:44,525 INFO L225 Difference]: With dead ends: 289 [2021-11-25 17:54:44,525 INFO L226 Difference]: Without dead ends: 250 [2021-11-25 17:54:44,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:54:44,538 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 180 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:44,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 736 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 17:54:44,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-11-25 17:54:44,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 249. [2021-11-25 17:54:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 145 states have (on average 1.3862068965517242) internal successors, (201), 146 states have internal predecessors, (201), 91 states have call successors, (91), 12 states have call predecessors, (91), 12 states have return successors, (99), 90 states have call predecessors, (99), 91 states have call successors, (99) [2021-11-25 17:54:44,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 391 transitions. [2021-11-25 17:54:44,676 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 391 transitions. Word has length 69 [2021-11-25 17:54:44,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:44,677 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 391 transitions. [2021-11-25 17:54:44,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-25 17:54:44,677 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 391 transitions. [2021-11-25 17:54:44,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-25 17:54:44,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:44,696 INFO L514 BasicCegarLoop]: trace histogram [19, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:54:44,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 17:54:44,697 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:54:44,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:44,698 INFO L85 PathProgramCache]: Analyzing trace with hash 374279635, now seen corresponding path program 1 times [2021-11-25 17:54:44,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:44,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031206805] [2021-11-25 17:54:44,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:44,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:45,441 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-25 17:54:45,441 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:45,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031206805] [2021-11-25 17:54:45,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031206805] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:45,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:45,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:54:45,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594010002] [2021-11-25 17:54:45,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:45,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:54:45,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:45,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:54:45,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:54:45,452 INFO L87 Difference]: Start difference. First operand 249 states and 391 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-25 17:54:47,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:47,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:47,882 INFO L93 Difference]: Finished difference Result 458 states and 723 transitions. [2021-11-25 17:54:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:54:47,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 122 [2021-11-25 17:54:47,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:47,891 INFO L225 Difference]: With dead ends: 458 [2021-11-25 17:54:47,892 INFO L226 Difference]: Without dead ends: 419 [2021-11-25 17:54:47,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:54:47,896 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 184 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:47,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 551 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 104 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 17:54:47,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2021-11-25 17:54:47,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 409. [2021-11-25 17:54:47,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 239 states have (on average 1.3765690376569037) internal successors, (329), 244 states have internal predecessors, (329), 146 states have call successors, (146), 20 states have call predecessors, (146), 23 states have return successors, (177), 144 states have call predecessors, (177), 146 states have call successors, (177) [2021-11-25 17:54:47,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 652 transitions. [2021-11-25 17:54:47,987 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 652 transitions. Word has length 122 [2021-11-25 17:54:47,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:47,989 INFO L470 AbstractCegarLoop]: Abstraction has 409 states and 652 transitions. [2021-11-25 17:54:47,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-25 17:54:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 652 transitions. [2021-11-25 17:54:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-25 17:54:48,005 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:48,006 INFO L514 BasicCegarLoop]: trace histogram [19, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:54:48,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 17:54:48,006 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:54:48,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:48,007 INFO L85 PathProgramCache]: Analyzing trace with hash -253312791, now seen corresponding path program 1 times [2021-11-25 17:54:48,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:48,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767864012] [2021-11-25 17:54:48,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:48,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:48,681 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-25 17:54:48,681 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:48,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767864012] [2021-11-25 17:54:48,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767864012] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:48,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:48,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:54:48,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482932508] [2021-11-25 17:54:48,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:48,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:54:48,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:48,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:54:48,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:54:48,687 INFO L87 Difference]: Start difference. First operand 409 states and 652 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-25 17:54:50,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:51,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:51,092 INFO L93 Difference]: Finished difference Result 729 states and 1140 transitions. [2021-11-25 17:54:51,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:54:51,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 122 [2021-11-25 17:54:51,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:51,099 INFO L225 Difference]: With dead ends: 729 [2021-11-25 17:54:51,099 INFO L226 Difference]: Without dead ends: 415 [2021-11-25 17:54:51,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:54:51,104 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 186 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:51,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 560 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 104 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 17:54:51,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2021-11-25 17:54:51,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 405. [2021-11-25 17:54:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 236 states have (on average 1.3771186440677967) internal successors, (325), 241 states have internal predecessors, (325), 145 states have call successors, (145), 20 states have call predecessors, (145), 23 states have return successors, (171), 143 states have call predecessors, (171), 145 states have call successors, (171) [2021-11-25 17:54:51,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 641 transitions. [2021-11-25 17:54:51,155 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 641 transitions. Word has length 122 [2021-11-25 17:54:51,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:51,156 INFO L470 AbstractCegarLoop]: Abstraction has 405 states and 641 transitions. [2021-11-25 17:54:51,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-25 17:54:51,156 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 641 transitions. [2021-11-25 17:54:51,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-25 17:54:51,163 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:51,163 INFO L514 BasicCegarLoop]: trace histogram [19, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:54:51,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 17:54:51,164 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:54:51,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:51,165 INFO L85 PathProgramCache]: Analyzing trace with hash 199456286, now seen corresponding path program 1 times [2021-11-25 17:54:51,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:51,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590679863] [2021-11-25 17:54:51,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:51,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-25 17:54:51,736 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:51,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590679863] [2021-11-25 17:54:51,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590679863] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:51,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:51,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:54:51,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854407221] [2021-11-25 17:54:51,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:51,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:54:51,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:51,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:54:51,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:54:51,740 INFO L87 Difference]: Start difference. First operand 405 states and 641 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-25 17:54:53,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:54,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:54,127 INFO L93 Difference]: Finished difference Result 737 states and 1149 transitions. [2021-11-25 17:54:54,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:54:54,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 122 [2021-11-25 17:54:54,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:54,134 INFO L225 Difference]: With dead ends: 737 [2021-11-25 17:54:54,135 INFO L226 Difference]: Without dead ends: 411 [2021-11-25 17:54:54,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:54:54,139 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 188 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:54,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 569 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 17:54:54,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-11-25 17:54:54,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 401. [2021-11-25 17:54:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 233 states have (on average 1.3776824034334765) internal successors, (321), 238 states have internal predecessors, (321), 144 states have call successors, (144), 20 states have call predecessors, (144), 23 states have return successors, (165), 142 states have call predecessors, (165), 144 states have call successors, (165) [2021-11-25 17:54:54,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 630 transitions. [2021-11-25 17:54:54,186 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 630 transitions. Word has length 122 [2021-11-25 17:54:54,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:54,241 INFO L470 AbstractCegarLoop]: Abstraction has 401 states and 630 transitions. [2021-11-25 17:54:54,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-25 17:54:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 630 transitions. [2021-11-25 17:54:54,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-25 17:54:54,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:54,247 INFO L514 BasicCegarLoop]: trace histogram [19, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:54:54,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 17:54:54,248 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:54:54,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:54,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1211055634, now seen corresponding path program 1 times [2021-11-25 17:54:54,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:54,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904381873] [2021-11-25 17:54:54,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:54,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-25 17:54:54,801 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:54,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904381873] [2021-11-25 17:54:54,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904381873] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:54,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:54,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:54:54,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973542009] [2021-11-25 17:54:54,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:54,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:54:54,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:54,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:54:54,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:54:54,805 INFO L87 Difference]: Start difference. First operand 401 states and 630 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-25 17:54:56,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:57,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:57,144 INFO L93 Difference]: Finished difference Result 745 states and 1158 transitions. [2021-11-25 17:54:57,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:54:57,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 122 [2021-11-25 17:54:57,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:57,150 INFO L225 Difference]: With dead ends: 745 [2021-11-25 17:54:57,150 INFO L226 Difference]: Without dead ends: 357 [2021-11-25 17:54:57,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:54:57,155 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 190 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:57,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [211 Valid, 575 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 100 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 17:54:57,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-25 17:54:57,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 351. [2021-11-25 17:54:57,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 205 states have (on average 1.3073170731707318) internal successors, (268), 208 states have internal predecessors, (268), 123 states have call successors, (123), 20 states have call predecessors, (123), 22 states have return successors, (139), 122 states have call predecessors, (139), 123 states have call successors, (139) [2021-11-25 17:54:57,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 530 transitions. [2021-11-25 17:54:57,195 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 530 transitions. Word has length 122 [2021-11-25 17:54:57,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:57,195 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 530 transitions. [2021-11-25 17:54:57,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-25 17:54:57,196 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 530 transitions. [2021-11-25 17:54:57,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-25 17:54:57,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:57,203 INFO L514 BasicCegarLoop]: trace histogram [19, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:54:57,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 17:54:57,204 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:54:57,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:57,205 INFO L85 PathProgramCache]: Analyzing trace with hash -401929291, now seen corresponding path program 1 times [2021-11-25 17:54:57,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:57,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124324688] [2021-11-25 17:54:57,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:57,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:58,096 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-25 17:54:58,097 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:58,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124324688] [2021-11-25 17:54:58,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124324688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:58,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:58,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:54:58,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483576129] [2021-11-25 17:54:58,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:58,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:54:58,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:58,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:54:58,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:54:58,101 INFO L87 Difference]: Start difference. First operand 351 states and 530 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-25 17:55:00,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:00,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:55:00,402 INFO L93 Difference]: Finished difference Result 361 states and 549 transitions. [2021-11-25 17:55:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:55:00,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 122 [2021-11-25 17:55:00,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:55:00,407 INFO L225 Difference]: With dead ends: 361 [2021-11-25 17:55:00,407 INFO L226 Difference]: Without dead ends: 269 [2021-11-25 17:55:00,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:55:00,409 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 42 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:55:00,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 546 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 86 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 17:55:00,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2021-11-25 17:55:00,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 265. [2021-11-25 17:55:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 154 states have (on average 1.3571428571428572) internal successors, (209), 157 states have internal predecessors, (209), 93 states have call successors, (93), 15 states have call predecessors, (93), 17 states have return successors, (116), 92 states have call predecessors, (116), 93 states have call successors, (116) [2021-11-25 17:55:00,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 418 transitions. [2021-11-25 17:55:00,441 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 418 transitions. Word has length 122 [2021-11-25 17:55:00,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:55:00,442 INFO L470 AbstractCegarLoop]: Abstraction has 265 states and 418 transitions. [2021-11-25 17:55:00,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-25 17:55:00,443 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 418 transitions. [2021-11-25 17:55:00,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-25 17:55:00,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:55:00,449 INFO L514 BasicCegarLoop]: trace histogram [22, 8, 8, 8, 8, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:55:00,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 17:55:00,450 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:55:00,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:55:00,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1239967318, now seen corresponding path program 1 times [2021-11-25 17:55:00,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:55:00,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348558825] [2021-11-25 17:55:00,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:55:00,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:55:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:55:03,526 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2021-11-25 17:55:03,527 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:55:03,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348558825] [2021-11-25 17:55:03,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348558825] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 17:55:03,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79011873] [2021-11-25 17:55:03,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:55:03,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:55:03,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:55:03,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:55:03,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00015ac-37f9-489a-bd6b-92bf7c7101ef/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 17:55:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:55:05,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 3302 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 17:55:05,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:55:05,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-11-25 17:55:05,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-11-25 17:55:05,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 8 treesize of output 7 [2021-11-25 17:55:05,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 8 treesize of output 7 [2021-11-25 17:55:06,236 INFO L354 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2021-11-25 17:55:06,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 16 [2021-11-25 17:55:06,318 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 17:55:06,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 22 [2021-11-25 17:55:06,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2021-11-25 17:55:06,687 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-25 17:55:06,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 17:55:07,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:55:07,258 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 230 proven. 55 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-11-25 17:55:07,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 17:55:07,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-25 17:55:07,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 17:55:11,136 INFO L354 Elim1Store]: treesize reduction 76, result has 43.3 percent of original size [2021-11-25 17:55:11,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 79 [2021-11-25 17:55:11,217 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:55:11,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2021-11-25 17:55:11,286 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:55:11,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2021-11-25 17:55:11,483 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-25 17:55:11,638 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-25 17:55:11,754 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:55:11,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 6 [2021-11-25 17:55:11,910 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:55:11,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2021-11-25 17:55:14,204 INFO L354 Elim1Store]: treesize reduction 76, result has 43.3 percent of original size [2021-11-25 17:55:14,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 80 [2021-11-25 17:55:14,262 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:55:14,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2021-11-25 17:55:14,324 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:55:14,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2021-11-25 17:55:14,783 INFO L354 Elim1Store]: treesize reduction 34, result has 49.3 percent of original size [2021-11-25 17:55:14,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 13 treesize of output 33 [2021-11-25 17:55:14,928 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:55:14,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 6 [2021-11-25 17:55:15,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 17:55:15,581 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-25 17:55:15,863 INFO L354 Elim1Store]: treesize reduction 76, result has 43.3 percent of original size [2021-11-25 17:55:15,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 159 treesize of output 202 [2021-11-25 17:55:15,901 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:55:15,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 144 treesize of output 151 [2021-11-25 17:55:15,933 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:55:15,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 138 treesize of output 145 [2021-11-25 17:55:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2021-11-25 17:55:16,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79011873] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 17:55:16,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1717093009] [2021-11-25 17:55:16,286 INFO L159 IcfgInterpreter]: Started Sifa with 85 locations of interest [2021-11-25 17:55:16,287 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 17:55:16,292 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 17:55:16,298 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 17:55:16,298 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 17:55:16,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:16,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-11-25 17:55:16,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:16,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:16,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:16,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:16,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:16,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:16,671 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-11-25 17:55:19,133 INFO L354 Elim1Store]: treesize reduction 1860, result has 14.5 percent of original size [2021-11-25 17:55:19,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 78 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 95 case distinctions, treesize of input 172 treesize of output 445 [2021-11-25 17:55:19,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 144 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 119 [2021-11-25 17:55:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-11-25 17:55:19,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 120 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 415 treesize of output 328 [2021-11-25 17:55:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:19,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 46 [2021-11-25 17:55:19,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 17:55:20,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 17:55:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 59 [2021-11-25 17:55:20,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 59 [2021-11-25 17:55:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 17:55:20,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2021-11-25 17:55:20,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 19 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 103 [2021-11-25 17:55:20,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:20,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 46 [2021-11-25 17:55:20,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 19 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 93 [2021-11-25 17:55:20,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 22 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 110 [2021-11-25 17:55:21,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 127 [2021-11-25 17:55:21,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 31 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 140 [2021-11-25 17:55:21,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 153 [2021-11-25 17:55:21,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 44 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 166 [2021-11-25 17:55:21,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2021-11-25 17:55:21,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2021-11-25 17:55:21,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-25 17:55:21,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-25 17:55:21,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2021-11-25 17:55:21,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-25 17:55:21,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-25 17:55:21,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:21,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:21,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:21,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:21,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:21,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 19 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 103 [2021-11-25 17:55:21,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:21,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:21,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:22,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:22,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:22,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:22,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:22,073 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-25 17:55:22,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 46 [2021-11-25 17:55:22,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 19 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 93 [2021-11-25 17:55:22,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 22 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 110 [2021-11-25 17:55:22,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 127 [2021-11-25 17:55:22,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 31 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 140 [2021-11-25 17:55:22,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 153 [2021-11-25 17:55:22,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 44 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 166 [2021-11-25 17:55:22,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-25 17:55:22,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-25 17:55:22,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2021-11-25 17:55:22,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2021-11-25 17:55:22,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-25 17:55:22,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2021-11-25 17:55:22,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-25 17:55:23,884 INFO L354 Elim1Store]: treesize reduction 93, result has 14.7 percent of original size [2021-11-25 17:55:23,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 21 [2021-11-25 17:55:23,986 INFO L354 Elim1Store]: treesize reduction 141, result has 10.2 percent of original size [2021-11-25 17:55:23,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 60 treesize of output 57 [2021-11-25 17:55:24,550 INFO L354 Elim1Store]: treesize reduction 251, result has 31.0 percent of original size [2021-11-25 17:55:24,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 189 treesize of output 120 [2021-11-25 17:55:24,830 INFO L354 Elim1Store]: treesize reduction 263, result has 30.1 percent of original size [2021-11-25 17:55:24,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 193 treesize of output 113 [2021-11-25 17:55:24,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 17:55:24,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 17:55:25,180 INFO L354 Elim1Store]: treesize reduction 263, result has 30.1 percent of original size [2021-11-25 17:55:25,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 193 treesize of output 113 [2021-11-25 17:55:25,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 17:55:25,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 17:55:25,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 17:55:25,487 INFO L354 Elim1Store]: treesize reduction 93, result has 14.7 percent of original size [2021-11-25 17:55:25,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 15 treesize of output 21 [2021-11-25 17:55:26,227 INFO L354 Elim1Store]: treesize reduction 93, result has 14.7 percent of original size [2021-11-25 17:55:26,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 15 treesize of output 21 [2021-11-25 17:55:26,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2021-11-25 17:55:26,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2021-11-25 17:55:26,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-11-25 17:55:26,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-11-25 17:55:26,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:26,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:26,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:26,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:26,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:26,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:26,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 55 [2021-11-25 17:55:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:26,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:26,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:26,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:26,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:26,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 111 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 278 treesize of output 212 [2021-11-25 17:55:26,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 17:55:26,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 17:55:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-11-25 17:55:27,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-11-25 17:55:27,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 21 [2021-11-25 17:55:27,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 17:55:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-11-25 17:55:27,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-25 17:55:27,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 17:55:27,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:27,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 142 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2021-11-25 17:55:28,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 111 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 278 treesize of output 212 [2021-11-25 17:55:28,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 17:55:28,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 17:55:28,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 17:55:28,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-11-25 17:55:28,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 17:55:28,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-25 17:55:28,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-11-25 17:55:28,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 21 [2021-11-25 17:55:28,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 17:55:28,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 17:55:28,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 55 [2021-11-25 17:55:28,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:28,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 142 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2021-11-25 17:55:29,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2021-11-25 17:55:29,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2021-11-25 17:55:29,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-11-25 17:55:29,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-11-25 17:55:29,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-25 17:55:29,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2021-11-25 17:55:29,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2021-11-25 17:55:29,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 24 [2021-11-25 17:55:29,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 24 [2021-11-25 17:55:30,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-25 17:55:30,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 1 [2021-11-25 17:55:30,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 1 [2021-11-25 17:55:35,287 INFO L197 IcfgInterpreter]: Interpreting procedure ##fun~$Pointer$~TO~$Pointer$ with input of size 604 for LOIs [2021-11-25 17:57:17,126 WARN L227 SmtUtils]: Spent 1.64m on a formula simplification. DAG size of input: 663 DAG size of output: 489 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 17:57:17,128 INFO L354 Elim1Store]: treesize reduction 1079, result has 47.3 percent of original size [2021-11-25 17:57:17,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 59 disjoint index pairs (out of 136 index pairs), introduced 18 new quantified variables, introduced 101 case distinctions, treesize of input 1380 treesize of output 2297 [2021-11-25 17:59:19,695 WARN L227 SmtUtils]: Spent 2.04m on a formula simplification. DAG size of input: 841 DAG size of output: 373 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 17:59:19,696 INFO L354 Elim1Store]: treesize reduction 1823, result has 32.2 percent of original size [2021-11-25 17:59:19,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 70 disjoint index pairs (out of 231 index pairs), introduced 23 new quantified variables, introduced 184 case distinctions, treesize of input 2309 treesize of output 3108